Hard Water Areas in the UK

Water hardness varies significantly across the United Kingdom. The South East of England has some of the hardest water in the country, with levels often exceeding 300 mg/l CaCO₃, due to chalk and limestone geology. In contrast, Scotland, Wales, and Northern England tend to have much softer water sourced from upland reservoirs.

Below you can browse water hardness data for 5493 areas across the UK, grouped by region. Each area links to a detailed water quality report with hardness, pH, chlorine, lead, and other parameters.

Water Hardness Classification

Soft

0–50 mg/l

Moderately Soft

50–100 mg/l

Slightly Hard

100–150 mg/l

Moderately Hard

150–200 mg/l

Hard

200–300 mg/l

Very Hard

300+ mg/l

Eastern

Avg: 317 mg/l · Very Hard

Thaxted

Essex · 440 mg/l

Ware

Hertfordshire · 388 mg/l

Babbs Green

Hertfordshire · 388 mg/l

Great Amwell

Hertfordshire · 388 mg/l

Thundridge

Hertfordshire · 388 mg/l

Tonwell

Hertfordshire · 388 mg/l

Wadesmill

Hertfordshire · 388 mg/l

Wareside

Hertfordshire · 388 mg/l

Widford

Hertfordshire · 388 mg/l

Pine Hurst

Hertfordshire · 388 mg/l

Buntingford

Hertfordshire · 375 mg/l

Newtown

Hertfordshire · 375 mg/l

Haverhill

Suffolk · 373 mg/l

Hitchin

Hertfordshire · 368 mg/l

Shefford

Central Bedfordshire · 368 mg/l

Apsley End

Central Bedfordshire · 368 mg/l

Campton

Central Bedfordshire · 368 mg/l

Chicksands

Central Bedfordshire · 368 mg/l

Clifton

Central Bedfordshire · 368 mg/l

Clophill

Central Bedfordshire · 368 mg/l

Gosmore

Hertfordshire · 368 mg/l

Great Wymondley

Hertfordshire · 368 mg/l

Holwell

Hertfordshire · 368 mg/l

Ickleford

Hertfordshire · 368 mg/l

Little Wymondley

Hertfordshire · 368 mg/l

Lower Stondon

Central Bedfordshire · 368 mg/l

Meppershall

Central Bedfordshire · 368 mg/l

Pirton

Hertfordshire · 368 mg/l

Shillington

Central Bedfordshire · 368 mg/l

Silsoe

Central Bedfordshire · 368 mg/l

Southill

Central Bedfordshire · 368 mg/l

St Ippolyts

Hertfordshire · 368 mg/l

Upper Gravenhurst

Central Bedfordshire · 368 mg/l

Bury End

Central Bedfordshire · 368 mg/l

Hillfoot End

Central Bedfordshire · 368 mg/l

Hitchin Hill

Hertfordshire · 368 mg/l

Lower Green

Hertfordshire · 368 mg/l

Oakfield

Hertfordshire · 368 mg/l

Purwell

Hertfordshire · 368 mg/l

Sunnyside

Hertfordshire · 368 mg/l

Upton End

Central Bedfordshire · 368 mg/l

Walsworth

Hertfordshire · 368 mg/l

Westmill

Hertfordshire · 368 mg/l

Woodmer End

Central Bedfordshire · 368 mg/l

Potters Bar

Hertfordshire · 363 mg/l

Bell Bar

Hertfordshire · 363 mg/l

Little Heath

Hertfordshire · 363 mg/l

Swanley Bar

Hertfordshire · 363 mg/l

Water End

Hertfordshire · 363 mg/l

Radlett

Hertfordshire · 360 mg/l

Saffron Walden

Essex · 360 mg/l

Aldenham

Hertfordshire · 360 mg/l

Letchmore Heath

Hertfordshire · 360 mg/l

Little Walden

Essex · 360 mg/l

Littlebury

Essex · 360 mg/l

Sewards End

Essex · 360 mg/l

Battlers Green

Hertfordshire · 360 mg/l

The Folly

Hertfordshire · 360 mg/l

Newport

Essex · 358 mg/l

Watford

Hertfordshire · 353 mg/l

Holywell

Hertfordshire · 353 mg/l

Oxhey

Hertfordshire · 353 mg/l

The Rookery

Hertfordshire · 353 mg/l

Watford Heath

Hertfordshire · 353 mg/l

West Watford

Hertfordshire · 353 mg/l

Braintree

Essex · 350 mg/l

Great Dunmow

Essex · 350 mg/l

Aley Green

Central Bedfordshire · 348 mg/l

Holywell

Central Bedfordshire · 348 mg/l

Kensworth

Central Bedfordshire · 348 mg/l

Oldhill Wood

Central Bedfordshire · 348 mg/l

Redbourn

Hertfordshire · 348 mg/l

Studham

Central Bedfordshire · 348 mg/l

Whipsnade

Central Bedfordshire · 348 mg/l

Carpenders Park

Hertfordshire · 348 mg/l

Church End

Hertfordshire · 348 mg/l

Churchend

Central Bedfordshire · 348 mg/l

South Oxhey

Hertfordshire · 348 mg/l

Batchworth Heath

Hertfordshire · 348 mg/l

Eastbury

Hertfordshire · 348 mg/l

Moor Park

Hertfordshire · 348 mg/l

Bishop's Stortford

Hertfordshire · 345 mg/l

Stansted Mountfitchet

Essex · 345 mg/l

Albury

Hertfordshire · 345 mg/l

Bedlar's Green

Essex · 345 mg/l

Bury Green

Hertfordshire · 345 mg/l

Clapgate

Hertfordshire · 345 mg/l

Cockernhoe

Hertfordshire · 345 mg/l

Farnham

Essex · 345 mg/l

Gravesend

Hertfordshire · 345 mg/l

Great Hallingbury

Essex · 345 mg/l

Green Tye

Hertfordshire · 345 mg/l

Hadham Cross

Hertfordshire · 345 mg/l

Little Hadham

Hertfordshire · 345 mg/l

Mangrove Green

Hertfordshire · 345 mg/l

Much Hadham

Hertfordshire · 345 mg/l

Patmore Heath

Hertfordshire · 345 mg/l

Perry Green

Hertfordshire · 345 mg/l

Start Hill

Essex · 345 mg/l

Thorley Street

Hertfordshire · 345 mg/l

Woodside Green

Essex · 345 mg/l

Chapel End

Essex · 345 mg/l

Hockerill

Hertfordshire · 345 mg/l

New Town

Hertfordshire · 345 mg/l

Perry Green

Hertfordshire · 345 mg/l

Stopsley

Luton · 345 mg/l

Wigmore

Luton · 345 mg/l

Borehamwood

Hertfordshire · 340 mg/l

Sawbridgeworth

Hertfordshire · 340 mg/l

Elstree

Hertfordshire · 340 mg/l

Green Street

Hertfordshire · 340 mg/l

Churchgate Street

Essex · 340 mg/l

Lower Sheering

Essex · 340 mg/l

Old Harlow

Essex · 340 mg/l

Well End

Hertfordshire · 340 mg/l

St Albans

Hertfordshire · 338 mg/l

Epping

Essex · 338 mg/l

Breachwood Green

Hertfordshire · 338 mg/l

Coopersale

Essex · 338 mg/l

Great Offley

Hertfordshire · 338 mg/l

Lilley

Hertfordshire · 338 mg/l

London Colney

Hertfordshire · 338 mg/l

North Weald Bassett

Essex · 338 mg/l

Preston

Hertfordshire · 338 mg/l

Sandridge

Hertfordshire · 338 mg/l

Shelley

Essex · 338 mg/l

The Heath

Hertfordshire · 338 mg/l

Theydon Bois

Essex · 338 mg/l

Theydon Mount

Essex · 338 mg/l

Thornwood Common

Essex · 338 mg/l

Toot Hill

Essex · 338 mg/l

Tyttenhanger

Hertfordshire · 338 mg/l

Bernards Heath

Hertfordshire · 338 mg/l

Fleetville

Hertfordshire · 338 mg/l

Ivy Chimneys

Essex · 338 mg/l

Jersey Farm

Hertfordshire · 338 mg/l

Marshalswick

Hertfordshire · 338 mg/l

New Greens

Hertfordshire · 338 mg/l

Sopwell

Hertfordshire · 338 mg/l

St Julians

Hertfordshire · 338 mg/l

St Stephens

Hertfordshire · 338 mg/l

The Camp

Hertfordshire · 338 mg/l

Townsend

Hertfordshire · 338 mg/l

Tyler's Green

Essex · 338 mg/l

Crawley End

Essex · 335 mg/l

Flamstead

Hertfordshire · 333 mg/l

Jockey End

Hertfordshire · 333 mg/l

Kinsbourne Green

Hertfordshire · 333 mg/l

Markyate

Hertfordshire · 333 mg/l

Pepperstock

Central Bedfordshire · 333 mg/l

Slip End

Central Bedfordshire · 333 mg/l

Trowley Bottom

Hertfordshire · 333 mg/l

Harlow

Essex · 330 mg/l

Colliers End

Hertfordshire · 330 mg/l

Eastwick

Hertfordshire · 330 mg/l

Gilston

Hertfordshire · 330 mg/l

Great Chesterford

Essex · 330 mg/l

Hunsdon

Hertfordshire · 330 mg/l

Hunsdonbury

Hertfordshire · 330 mg/l

Roydon

Essex · 330 mg/l

Church End

Hertfordshire · 330 mg/l

Eastend

Essex · 330 mg/l

Green End

Hertfordshire · 330 mg/l

Green End

Hertfordshire · 330 mg/l

Hare Street

Essex · 330 mg/l

Little Parndon

Essex · 330 mg/l

Mark Hall North

Essex · 330 mg/l

Netteswell

Essex · 330 mg/l

Netteswell Cross

Essex · 330 mg/l

Pinnacles

Essex · 330 mg/l

Temple Fields

Essex · 330 mg/l

The High

Essex · 330 mg/l

Luton

Luton · 328 mg/l

Hart Hill

Luton · 328 mg/l

New Town

Luton · 328 mg/l

Park Town

Luton · 328 mg/l

Someries

Central Bedfordshire · 328 mg/l

Chandler's Cross

Hertfordshire · 323 mg/l

Meriden

Hertfordshire · 323 mg/l

North Watford

Hertfordshire · 323 mg/l

Harpenden

Hertfordshire · 320 mg/l

Stevenage

Hertfordshire · 320 mg/l

Welwyn Garden City

Hertfordshire · 320 mg/l

Ayot Green

Hertfordshire · 320 mg/l

East Hyde

Central Bedfordshire · 320 mg/l

Graveley

Hertfordshire · 320 mg/l

Great Gaddesden

Hertfordshire · 320 mg/l

Gustard Wood

Hertfordshire · 320 mg/l

Hudnall

Hertfordshire · 320 mg/l

Langley

Hertfordshire · 320 mg/l

Lea Valley

Hertfordshire · 320 mg/l

Lemsford

Hertfordshire · 320 mg/l

Little Gaddesden

Hertfordshire · 320 mg/l

Potten End

Hertfordshire · 320 mg/l

Ringshall

Hertfordshire · 320 mg/l

Stanborough

Hertfordshire · 320 mg/l

Tewin

Hertfordshire · 320 mg/l

The Folly

Hertfordshire · 320 mg/l

Water End

Hertfordshire · 320 mg/l

Wheathampstead

Hertfordshire · 320 mg/l

Bamville Wood

Hertfordshire · 320 mg/l

Batford

Hertfordshire · 320 mg/l

Bedwell

Hertfordshire · 320 mg/l

Chells

Hertfordshire · 320 mg/l

Chells Manor

Hertfordshire · 320 mg/l

Digswell

Hertfordshire · 320 mg/l

Digswell Park

Hertfordshire · 320 mg/l

Digswell Water

Hertfordshire · 320 mg/l

Fiddler's Hill

Hertfordshire · 320 mg/l

Fishers Green

Hertfordshire · 320 mg/l

Haldens

Hertfordshire · 320 mg/l

Hall Grove

Hertfordshire · 320 mg/l

Handside

Hertfordshire · 320 mg/l

Hatching Green

Hertfordshire · 320 mg/l

Hatfield Hyde

Hertfordshire · 320 mg/l

Old Town

Hertfordshire · 320 mg/l

Panshanger

Hertfordshire · 320 mg/l

Peartree

Hertfordshire · 320 mg/l

Pin Green

Hertfordshire · 320 mg/l

Poplars

Hertfordshire · 320 mg/l

Shephall

Hertfordshire · 320 mg/l

Sherrardspark

Hertfordshire · 320 mg/l

Symonds Green

Hertfordshire · 320 mg/l

Woodhall

Hertfordshire · 320 mg/l

Langley Bottom

Hertfordshire · 320 mg/l

Thrales End

Central Bedfordshire · 320 mg/l

Baldock

Hertfordshire · 318 mg/l

Biggleswade

Central Bedfordshire · 318 mg/l

Hertford

Hertfordshire · 318 mg/l

Letchworth

Hertfordshire · 318 mg/l

Stotfold

Central Bedfordshire · 318 mg/l

Arlesey

Central Bedfordshire · 318 mg/l

Ashwell

Hertfordshire · 318 mg/l

Bayford

Hertfordshire · 318 mg/l

Birch Green

Hertfordshire · 318 mg/l

Bramfield

Hertfordshire · 318 mg/l

Broadoak End

Hertfordshire · 318 mg/l

Broom

Central Bedfordshire · 318 mg/l

Bygrave

Hertfordshire · 318 mg/l

Chapmore End

Hertfordshire · 318 mg/l

Dunton

Central Bedfordshire · 318 mg/l

Henlow

Central Bedfordshire · 318 mg/l

Hertford Heath

Hertfordshire · 318 mg/l

Hertingfordbury

Hertfordshire · 318 mg/l

Hinxworth

Hertfordshire · 318 mg/l

Langford

Central Bedfordshire · 318 mg/l

Letty Green

Hertfordshire · 318 mg/l

Newnham

Hertfordshire · 318 mg/l

Radwell

Hertfordshire · 318 mg/l

Stanford

Central Bedfordshire · 318 mg/l

Stapleford

Hertfordshire · 318 mg/l

Wallington

Hertfordshire · 318 mg/l

Waterford

Hertfordshire · 318 mg/l

Weston

Hertfordshire · 318 mg/l

Bengeo

Hertfordshire · 318 mg/l

Church End

Central Bedfordshire · 318 mg/l

Church End

Hertfordshire · 318 mg/l

Clothall Common

Hertfordshire · 318 mg/l

Green End

Hertfordshire · 318 mg/l

Norton

Hertfordshire · 318 mg/l

Willian

Hertfordshire · 318 mg/l

Bushey

Hertfordshire · 313 mg/l

Royston

Hertfordshire · 313 mg/l

Patchetts Green

Hertfordshire · 313 mg/l

Bushey Heath

Hertfordshire · 313 mg/l

Dunstable

Central Bedfordshire · 310 mg/l

Grays

Thurrock · 310 mg/l

Houghton Regis

Central Bedfordshire · 310 mg/l

Leighton Buzzard

Central Bedfordshire · 310 mg/l

Tilbury

Thurrock · 310 mg/l

Woburn

Central Bedfordshire · 310 mg/l

Broadley Common

Essex · 310 mg/l

Epping Green

Essex · 310 mg/l

Foster Street

Essex · 310 mg/l

Hastingwood

Essex · 310 mg/l

Moreton

Essex · 310 mg/l

Nazeing

Essex · 310 mg/l

Walkern

Hertfordshire · 310 mg/l

Brays Grove

Essex · 310 mg/l

Church Langley

Essex · 310 mg/l

Great Parndon

Essex · 310 mg/l

Harlow Common

Essex · 310 mg/l

Katherines

Essex · 310 mg/l

Kingsmoor

Essex · 310 mg/l

Latton Bush

Essex · 310 mg/l

Mark Hall South

Essex · 310 mg/l

Passmores

Essex · 310 mg/l

Potter Street

Essex · 310 mg/l

Stewards

Essex · 310 mg/l

Sumners

Essex · 310 mg/l

Tye Green

Essex · 310 mg/l

Caddington

Central Bedfordshire · 308 mg/l

Woodside

Central Bedfordshire · 308 mg/l

Bury Park

Luton · 308 mg/l

Farley Hill

Luton · 308 mg/l

Farleygreen

Luton · 308 mg/l

Leagrave

Luton · 308 mg/l

Abbots Langley

Hertfordshire · 305 mg/l

Bedmond

Hertfordshire · 305 mg/l

Bucks Hill

Hertfordshire · 305 mg/l

Chipperfield

Hertfordshire · 305 mg/l

Chiswell Green

Hertfordshire · 305 mg/l

Commonwood

Hertfordshire · 305 mg/l

Frogmore

Hertfordshire · 305 mg/l

How Wood

Hertfordshire · 305 mg/l

Park Street

Hertfordshire · 305 mg/l

Pimlico

Hertfordshire · 305 mg/l

Rucklers Lane

Hertfordshire · 305 mg/l

Sarratt

Hertfordshire · 305 mg/l

Tower Hill

Hertfordshire · 305 mg/l

Belsize

Hertfordshire · 305 mg/l

Black Green

Hertfordshire · 305 mg/l

Chapel Croft

Hertfordshire · 305 mg/l

Nash Mills

Hertfordshire · 305 mg/l

Smug Oak

Hertfordshire · 305 mg/l

Appspond

Hertfordshire · 305 mg/l

Colney Street

Hertfordshire · 305 mg/l

Hunton Bridge

Hertfordshire · 305 mg/l

Kings Langley

Hertfordshire · 305 mg/l

Aston

Hertfordshire · 295 mg/l

Bull's Green

Hertfordshire · 295 mg/l

Burnham Green

Hertfordshire · 295 mg/l

Datchworth

Hertfordshire · 295 mg/l

Knebworth

Hertfordshire · 295 mg/l

Old Knebworth

Hertfordshire · 295 mg/l

Rableyheath

Hertfordshire · 295 mg/l

Tewin Wood

Hertfordshire · 295 mg/l

Watton at Stone

Hertfordshire · 295 mg/l

Woolmer Green

Hertfordshire · 295 mg/l

Bragbury End

Hertfordshire · 295 mg/l

Broadwater

Hertfordshire · 295 mg/l

Codicote

Hertfordshire · 290 mg/l

Shenley

Hertfordshire · 290 mg/l

Flitwick

Central Bedfordshire · 288 mg/l

Barton-le-Clay

Central Bedfordshire · 288 mg/l

Flitton

Central Bedfordshire · 288 mg/l

Greenfield

Central Bedfordshire · 288 mg/l

Hexton

Hertfordshire · 288 mg/l

Maulden

Central Bedfordshire · 288 mg/l

Pulloxhill

Central Bedfordshire · 288 mg/l

Sharpenhoe

Central Bedfordshire · 288 mg/l

Streatley

Central Bedfordshire · 288 mg/l

Wardhedges

Central Bedfordshire · 288 mg/l

Biscot

Luton · 288 mg/l

Bramingham Park

Luton · 288 mg/l

Church End

Central Bedfordshire · 288 mg/l

High Town

Luton · 288 mg/l

Limbury

Luton · 288 mg/l

Marsh Farm

Luton · 288 mg/l

Round Green

Luton · 288 mg/l

Stopsley Common

Luton · 288 mg/l

Sundon Park

Luton · 288 mg/l

Warden Hill

Luton · 288 mg/l

West End

Central Bedfordshire · 288 mg/l

Hollington

Central Bedfordshire · 288 mg/l

Berkhamsted

Hertfordshire · 285 mg/l

Tring

Hertfordshire · 285 mg/l

Chorleywood

Hertfordshire · 283 mg/l

Hemel Hempstead

Hertfordshire · 283 mg/l

Rickmansworth

Hertfordshire · 283 mg/l

Bulstrode

Hertfordshire · 283 mg/l

Maple Cross

Hertfordshire · 283 mg/l

West Hyde

Hertfordshire · 283 mg/l

Adeyfield

Hertfordshire · 283 mg/l

Apsley

Hertfordshire · 283 mg/l

Batchworth

Hertfordshire · 283 mg/l

Bennetts End

Hertfordshire · 283 mg/l

Boxmoor

Hertfordshire · 283 mg/l

Chaulden

Hertfordshire · 283 mg/l

Chorleywood Bottom

Hertfordshire · 283 mg/l

Chorleywood West

Hertfordshire · 283 mg/l

Church End

Hertfordshire · 283 mg/l

Corner Hall

Hertfordshire · 283 mg/l

Counters End

Hertfordshire · 283 mg/l

Croxley Green

Hertfordshire · 283 mg/l

Cupid Green

Hertfordshire · 283 mg/l

Felden

Hertfordshire · 283 mg/l

Frogmore End

Hertfordshire · 283 mg/l

Gadebridge

Hertfordshire · 283 mg/l

Green End

Hertfordshire · 283 mg/l

Grovehill

Hertfordshire · 283 mg/l

Hammerfield

Hertfordshire · 283 mg/l

Heronsgate

Hertfordshire · 283 mg/l

Highfield

Hertfordshire · 283 mg/l

Leverstock Green

Hertfordshire · 283 mg/l

Loudwater

Hertfordshire · 283 mg/l

Mill End

Hertfordshire · 283 mg/l

Moneyhill

Hertfordshire · 283 mg/l

Paradise

Hertfordshire · 283 mg/l

Piccotts End

Hertfordshire · 283 mg/l

The Swillett

Hertfordshire · 283 mg/l

Two Waters

Hertfordshire · 283 mg/l

Warners End

Hertfordshire · 283 mg/l

Winkwell

Hertfordshire · 283 mg/l

Brickendon

Hertfordshire · 281 mg/l

Cuffley

Hertfordshire · 281 mg/l

Epping Green

Hertfordshire · 281 mg/l

Goff's Oak

Hertfordshire · 281 mg/l

Little Berkhamsted

Hertfordshire · 281 mg/l

Newgate Street

Hertfordshire · 281 mg/l

Wormley West End

Hertfordshire · 281 mg/l

Flamstead End

Hertfordshire · 281 mg/l

Hammond Street

Hertfordshire · 281 mg/l

Rosedale

Hertfordshire · 281 mg/l

Hatfield

Hertfordshire · 280 mg/l

Colney Heath

Hertfordshire · 280 mg/l

Essendon

Hertfordshire · 280 mg/l

North Mymms

Hertfordshire · 280 mg/l

Sleapshyde

Hertfordshire · 280 mg/l

Smallford

Hertfordshire · 280 mg/l

Welham Green

Hertfordshire · 280 mg/l

Wildhill

Hertfordshire · 280 mg/l

Birchwood

Hertfordshire · 280 mg/l

Bullen's Green

Hertfordshire · 280 mg/l

Ellenbrook

Hertfordshire · 280 mg/l

Hatfield Garden Village

Hertfordshire · 280 mg/l

Marshmoor

Hertfordshire · 280 mg/l

Mill Green

Hertfordshire · 280 mg/l

Nast Hyde

Hertfordshire · 280 mg/l

Old Hatfield

Hertfordshire · 280 mg/l

Oxlease

Hertfordshire · 280 mg/l

Park Corner

Hertfordshire · 280 mg/l

Roe Green

Hertfordshire · 280 mg/l

Roestock

Hertfordshire · 280 mg/l

South Hatfield

Hertfordshire · 280 mg/l

The Ryde

Hertfordshire · 280 mg/l

Breach Barns

Essex · 279 mg/l

Hoddesdon

Hertfordshire · 278 mg/l

Hailey

Hertfordshire · 278 mg/l

Lower Nazeing

Essex · 278 mg/l

Roydon Hamlet

Essex · 278 mg/l

St Margarets

Hertfordshire · 278 mg/l

Stanstead Abbotts

Hertfordshire · 278 mg/l

Broxbourne

Hertfordshire · 278 mg/l

Dobb's Weir

Essex · 278 mg/l

Glen Faba

Essex · 278 mg/l

Rye Park

Hertfordshire · 278 mg/l

Spitalbrook

Hertfordshire · 278 mg/l

Wormley

Hertfordshire · 278 mg/l

Goose Green

Hertfordshire · 278 mg/l

Chigwell

Essex · 275 mg/l

Loughton

Essex · 275 mg/l

Abridge

Essex · 275 mg/l

Chigwell Row

Essex · 275 mg/l

Lambourne End

Essex · 275 mg/l

Sewardstonebury

Essex · 275 mg/l

Grange Hill

Essex · 275 mg/l

Buckhurst Hill

Essex · 275 mg/l

Waltham Abbey

Essex · 269 mg/l

Sewardstone

Essex · 269 mg/l

Holdbrook

Hertfordshire · 269 mg/l

Cheshunt

Hertfordshire · 266 mg/l

Waltham Cross

Hertfordshire · 266 mg/l

High Beech

Essex · 266 mg/l

Bury Green

Hertfordshire · 266 mg/l

Churchgate

Hertfordshire · 266 mg/l

Debden Green

Essex · 266 mg/l

Turnford

Hertfordshire · 266 mg/l

Basildon

Essex · 265 mg/l

Billericay

Essex · 265 mg/l

Brentwood

Essex · 265 mg/l

Chipping Ongar

Essex · 265 mg/l

Bricket Wood

Hertfordshire · 228 mg/l

Garston

Hertfordshire · 228 mg/l

Kingswood

Hertfordshire · 228 mg/l

Leavesden Green

Hertfordshire · 228 mg/l

Old Bricket Wood

Hertfordshire · 228 mg/l

Woodside

Hertfordshire · 228 mg/l

South West England

Avg: 290 mg/l · Hard

Forest of Dean Zone 12

Gloucestershire · 370 mg/l

Castleton

South West England · 367.1 mg/l

Holt

South West England · 362.8 mg/l

Bowden

South West England · 353.7 mg/l

Shepherds Shore

South West England · 342.2 mg/l

Allington

South West England · 327.7 mg/l

Upton Scudamore

South West England · 322.7 mg/l

Bedwyn

Wiltshire · 321 mg/l

Chirton

South West England · 320.4 mg/l

Milbourne

South West England · 317 mg/l

Ashton Keynes

Wiltshire · 314 mg/l

Hooke

South West England · 314 mg/l

Marlow

Wiltshire · 312 mg/l

Brimpsfield Import

Wiltshire · 307 mg/l

Charlton

South West England · 306.9 mg/l

Black Lane

South West England · 305.9 mg/l

Wooburn Green

Wiltshire · 303 mg/l

Slough East

Wiltshire · 301 mg/l

Flackwell Heath

Wiltshire · 300 mg/l

Radnage

Wiltshire · 300 mg/l

Slough North

Wiltshire · 300 mg/l

Dagnall

Wiltshire · 299 mg/l

Slough South

Wiltshire · 299 mg/l

Milborne St Andrew

South West England · 298.5 mg/l

Shrivenham & Ashbury

Wiltshire · 298 mg/l

Aylesbury South

Wiltshire · 297 mg/l

Aylesbury East

Wiltshire · 296 mg/l

Farnham Common

Wiltshire · 296 mg/l

Little Hampden

Wiltshire · 295 mg/l

Northleach

Wiltshire · 295 mg/l

Tring

Wiltshire · 294 mg/l

Aylesbury Southwest

Wiltshire · 293 mg/l

Forest of Dean Zone 20

Gloucestershire · 292 mg/l

Wycombe South North & Central

Wiltshire · 292 mg/l

Ramsbury

Wiltshire · 291 mg/l

Aylesbury North

Wiltshire · 289 mg/l

Dewlish Direct

South West England · 288.1 mg/l

Evenlode

Wiltshire · 288 mg/l

Arn Hill

South West England · 287.3 mg/l

Swindon Southwest

Wiltshire · 287 mg/l

Wycombe Northwest

Wiltshire · 285 mg/l

Litton Cheney

South West England · 283 mg/l

Clatford

Wiltshire · 282 mg/l

Andoversford

Wiltshire · 277 mg/l

Fairford & Bibury

Wiltshire · 275 mg/l

Forest of Dean Zone 14

Gloucestershire · 272.1 mg/l

Bourton

Wiltshire · 272 mg/l

Swindon Rodbourne

Wiltshire · 271 mg/l

Sezincote

Wiltshire · 269 mg/l

Swindon Stratton

Wiltshire · 267 mg/l

Swindon Toothill

Wiltshire · 267 mg/l

Heytesbury

South West England · 262.9 mg/l

Compton

South West England · 246.6 mg/l

Brimpsfield North Import

Wiltshire · 163 mg/l

Moderately Hard

Odcombe

South West England · 142.7 mg/l

Maundown Central

South West England · 49.7 mg/l

South East England

Avg: 286 mg/l · Hard

Emmer Green

Berkshire · 353 mg/l

Twyford Wargrave & Sonning

Berkshire · 330 mg/l

Ilsley

Berkshire · 317 mg/l

Dartford North

Kent · 315 mg/l

Reading Central

Berkshire · 313 mg/l

Bradfield

Berkshire · 310 mg/l

Woodlands

Berkshire · 304 mg/l

Culham

Oxfordshire · 295 mg/l

Northcourt

Oxfordshire · 293 mg/l

Wallingford

Berkshire · 288 mg/l

Streatley & Basildon

Berkshire · 287 mg/l

Compton

Berkshire · 285 mg/l

Cowley Littlemore & Nuneham

Oxfordshire · 276 mg/l

Spencers Wood

Berkshire · 273 mg/l

Reading Whiteknights

Berkshire · 270 mg/l

Hook Norton

Oxfordshire · 255 mg/l

Marcham

Oxfordshire · 254 mg/l

Deddington

Oxfordshire · 252 mg/l

Boars Hill

Oxfordshire · 249 mg/l

Finmere Godington & Long Marston

Oxfordshire · 243 mg/l

Beenham

Berkshire · 238 mg/l

London

Avg: 280 mg/l · Hard

Harrow on the Hill

Greater London · 363 mg/l

Roxeth

Greater London · 363 mg/l

Harrow

Greater London · 363 mg/l

Greenhill

Greater London · 360 mg/l

Harrow Weald

Greater London · 360 mg/l

Hatch End

Greater London · 360 mg/l

Headstone

Greater London · 360 mg/l

Wealdstone

Greater London · 360 mg/l

Kenton

Greater London · 360 mg/l

Barnehurst

Greater London · 359 mg/l

Bexleyheath

Greater London · 359 mg/l

Lessness Heath

Greater London · 359 mg/l

North End

Greater London · 359 mg/l

Northumberland Heath

Greater London · 359 mg/l

Slade Green

Greater London · 359 mg/l

Upper Belvedere

Greater London · 359 mg/l

Welling

Greater London · 359 mg/l

West Heath

Greater London · 359 mg/l

Coldharbour

Greater London · 359 mg/l

Erith

Greater London · 359 mg/l

Belmont

Greater London · 353 mg/l

Canons Park

Greater London · 353 mg/l

Little Stanmore

Greater London · 353 mg/l

Queensbury

Greater London · 353 mg/l

Stanmore

Greater London · 353 mg/l

Northwood Hills

Greater London · 348 mg/l

Pinner Green

Greater London · 348 mg/l

Pinnerwood Park

Greater London · 348 mg/l

Northwood

Greater London · 348 mg/l

Belmont

Greater London · 345 mg/l

Benhilton

Greater London · 345 mg/l

Carshalton Beeches

Greater London · 345 mg/l

Carshalton on the Hill

Greater London · 345 mg/l

Cheam

Greater London · 345 mg/l

Kenley

Greater London · 345 mg/l

Little Woodcote

Greater London · 345 mg/l

North Cheam

Greater London · 345 mg/l

Old Coulsdon

Greater London · 345 mg/l

South Beddington

Greater London · 345 mg/l

Woodcote

Greater London · 345 mg/l

Woodcote Green

Greater London · 345 mg/l

Worcester Park

Greater London · 345 mg/l

South Darenth

Greater London · 344 mg/l

Wennington

Greater London · 342 mg/l

Barking Riverside

Greater London · 342 mg/l

Becontree

Greater London · 342 mg/l

Becontree Heath

Greater London · 342 mg/l

Bostall Heath

Greater London · 342 mg/l

Creekmouth

Greater London · 342 mg/l

Elm Park

Greater London · 342 mg/l

Lesnes Abbey

Greater London · 342 mg/l

Lower Belvedere

Greater London · 342 mg/l

Rush Green

Greater London · 342 mg/l

South Hornchurch

Greater London · 342 mg/l

Thamesmead

Greater London · 342 mg/l

Barking

Greater London · 342 mg/l

Barking Wharf Square

Greater London · 342 mg/l

Dagenham

Greater London · 342 mg/l

Rainham

Greater London · 342 mg/l

Abbey Wood

Greater London · 341 mg/l

Beckton

Greater London · 341 mg/l

Bostall Woods

Greater London · 341 mg/l

Charlton

Greater London · 341 mg/l

Cyprus

Greater London · 341 mg/l

East Wickham

Greater London · 341 mg/l

New Charlton

Greater London · 341 mg/l

North Woolwich

Greater London · 341 mg/l

Plumstead

Greater London · 341 mg/l

Plumstead Common

Greater London · 341 mg/l

Royal Arsenal West

Greater London · 341 mg/l

Silvertown

Greater London · 341 mg/l

West Thamesmead

Greater London · 341 mg/l

Cavendish Square

Greater London · 341 mg/l

Woolwich

Greater London · 341 mg/l

Elstree Park

Greater London · 340 mg/l

Burnt Oak

Greater London · 333 mg/l

Colindale

Greater London · 333 mg/l

Grahame Park

Greater London · 333 mg/l

Kingsbury

Greater London · 333 mg/l

The Hyde

Greater London · 333 mg/l

Ruxley

Greater London · 331 mg/l

Blackfen

Greater London · 331 mg/l

Chislehurst West

Greater London · 331 mg/l

Foots Cray

Greater London · 331 mg/l

Longlands

Greater London · 331 mg/l

Chislehurst

Greater London · 331 mg/l

Sidcup

Greater London · 331 mg/l

Cray

Greater London · 331 mg/l

Eastcote

Greater London · 320 mg/l

Ruislip Common

Greater London · 320 mg/l

Ruislip Manor

Greater London · 320 mg/l

West Ruislip

Greater London · 320 mg/l

Ruislip

Greater London · 320 mg/l

Epsom South

Greater London · 316 mg/l

Edgware

Greater London · 310 mg/l

Cowley

Greater London · 308 mg/l

North Hillingdon

Greater London · 308 mg/l

Uxbridge Moor

Greater London · 308 mg/l

Hillingdon

Greater London · 308 mg/l

Uxbridge

Greater London · 308 mg/l

Kidbrooke

Greater London · 308 mg/l

Greenford

Greater London · 305 mg/l

Addiscombe

Greater London · 303 mg/l

Bandonhill

Greater London · 303 mg/l

Beddington

Greater London · 303 mg/l

Broad Green

Greater London · 303 mg/l

Forestdale

Greater London · 303 mg/l

Roundshaw

Greater London · 303 mg/l

Russell Hill

Greater London · 303 mg/l

Sanderstead

Greater London · 303 mg/l

Selhurst

Greater London · 303 mg/l

Selsdon

Greater London · 303 mg/l

Shirley

Greater London · 303 mg/l

South Croydon

Greater London · 303 mg/l

South Norwood

Greater London · 303 mg/l

Thornton Heath

Greater London · 303 mg/l

Upper Shirley

Greater London · 303 mg/l

Waddon

Greater London · 303 mg/l

Woodside

Greater London · 303 mg/l

Petts Wood

Greater London · 302 mg/l

Alperton

Greater London · 295 mg/l

Arkley

Greater London · 295 mg/l

Broom Hill

Greater London · 295 mg/l

Chelsfield

Greater London · 295 mg/l

Chipping Barnet

Greater London · 295 mg/l

Crofton

Greater London · 295 mg/l

Derry Downs

Greater London · 295 mg/l

Ducks Island

Greater London · 295 mg/l

Farnborough

Greater London · 295 mg/l

Goddington

Greater London · 295 mg/l

Green Street Green

Greater London · 295 mg/l

Hadley

Greater London · 295 mg/l

Locksbottom

Greater London · 295 mg/l

Monken Hadley

Greater London · 295 mg/l

New Barnet

Greater London · 295 mg/l

Petts Wood

Greater London · 295 mg/l

Poverest

Greater London · 295 mg/l

Preston

Greater London · 295 mg/l

Ramsden

Greater London · 295 mg/l

St Mary Cray

Greater London · 295 mg/l

St Paul's Cray

Greater London · 295 mg/l

Stonebridge

Greater London · 295 mg/l

Tokyngton

Greater London · 295 mg/l

Underhill

Greater London · 295 mg/l

Wembley Park

Greater London · 295 mg/l

Denham

Greater London · 295 mg/l

Wembley

Greater London · 295 mg/l

Westerham

Greater London · 294 mg/l

Crystal Palace & Norwood Park

Greater London · 293 mg/l

Keston & Forestdale

Greater London · 293 mg/l

Addington

Greater London · 290 mg/l

Anerley

Greater London · 290 mg/l

Bell Green

Greater London · 290 mg/l

Bellingham

Greater London · 290 mg/l

Eden Park

Greater London · 290 mg/l

Elmers End

Greater London · 290 mg/l

Lower Sydenham

Greater London · 290 mg/l

Monks Orchard

Greater London · 290 mg/l

New Addington

Greater London · 290 mg/l

New Beckenham

Greater London · 290 mg/l

North Wembley

Greater London · 290 mg/l

Park Langley

Greater London · 290 mg/l

Perivale

Greater London · 290 mg/l

Southend

Greater London · 290 mg/l

Spring Park

Greater London · 290 mg/l

Sudbury

Greater London · 290 mg/l

Upper Elmers End

Greater London · 290 mg/l

West Wickham

Greater London · 290 mg/l

West Wickham

Greater London · 289 mg/l

South Ruislip

Greater London · 288 mg/l

Northolt

Greater London · 288 mg/l

Croydon West Lower

Greater London · 288 mg/l

Lewisham North

Greater London · 286 mg/l

South Harefield

Greater London · 285 mg/l

Ickenham

Greater London · 285 mg/l

Coldblow

Greater London · 284 mg/l

North Cray

Greater London · 284 mg/l

Old Bexley

Greater London · 284 mg/l

Bexley

Greater London · 284 mg/l

Crayford

Greater London · 284 mg/l

Harefield

Greater London · 283 mg/l

Hill End

Greater London · 283 mg/l

Colham Green

Greater London · 283 mg/l

Cowley Peachey

Greater London · 283 mg/l

Harmondsworth

Greater London · 283 mg/l

Little Britain

Greater London · 283 mg/l

Longford

Greater London · 283 mg/l

Sipson

Greater London · 283 mg/l

West Drayton

Greater London · 283 mg/l

Yiewsley

Greater London · 283 mg/l

Blackwall

Greater London · 282 mg/l

Bow Common

Greater London · 282 mg/l

Bromley

Greater London · 282 mg/l

Canning Town

Greater London · 282 mg/l

Docklands

Greater London · 282 mg/l

Hackney Wick

Greater London · 282 mg/l

Mile End

Greater London · 282 mg/l

North Greenwich

Greater London · 282 mg/l

Old Ford

Greater London · 282 mg/l

Appleby Yard

Greater London · 282 mg/l

Barton Yard

Greater London · 282 mg/l

Bow

Greater London · 282 mg/l

Coalmakers Wharf

Greater London · 282 mg/l

Cripps Yard

Greater London · 282 mg/l

Dormer Yard

Greater London · 282 mg/l

Festubert Place

Greater London · 282 mg/l

Hallsville Quarter

Greater London · 282 mg/l

Hitchin Square

Greater London · 282 mg/l

Poplar

Greater London · 282 mg/l

Trinity Buoy Wharf

Greater London · 282 mg/l

Blackheath

Greater London · 282 mg/l

Manor Park

Greater London · 282 mg/l

Stratford West

Greater London · 281 mg/l

Keston

Greater London · 280 mg/l

Aldersbrook

Greater London · 280 mg/l

Bickley

Greater London · 280 mg/l

Bromley Common

Greater London · 280 mg/l

Bromley Park

Greater London · 280 mg/l

Clapton Park

Greater London · 280 mg/l

Coney Hall

Greater London · 280 mg/l

Dalston

Greater London · 280 mg/l

Dormer's Wells

Greater London · 280 mg/l

Downham

Greater London · 280 mg/l

East Bedfont

Greater London · 280 mg/l

Elmstead

Greater London · 280 mg/l

Grove Park

Greater London · 280 mg/l

Hanworth

Greater London · 280 mg/l

Hatton

Greater London · 280 mg/l

Hayes

Greater London · 280 mg/l

Homerton

Greater London · 280 mg/l

Keston Mark

Greater London · 280 mg/l

Kingsland

Greater London · 280 mg/l

Lea Bridge

Greater London · 280 mg/l

Leyton Marshes

Greater London · 280 mg/l

Leytonstone

Greater London · 280 mg/l

Lower Clapton

Greater London · 280 mg/l

Lower Feltham

Greater London · 280 mg/l

North Feltham

Greater London · 280 mg/l

North Hyde

Greater London · 280 mg/l

Norwood Green

Greater London · 280 mg/l

Plaistow

Greater London · 280 mg/l

Shacklewell

Greater London · 280 mg/l

Shortlands

Greater London · 280 mg/l

South Hackney

Greater London · 280 mg/l

Southborough

Greater London · 280 mg/l

Sundridge

Greater London · 280 mg/l

Upper Clapton

Greater London · 280 mg/l

Wanstead Flats

Greater London · 280 mg/l

Widmore

Greater London · 280 mg/l

Bromley

Greater London · 280 mg/l

Feltham

Greater London · 280 mg/l

Hackney

Greater London · 280 mg/l

Southall

Greater London · 280 mg/l

Charlton

Greater London · 280 mg/l

Eynsford

Greater London · 280 mg/l

Globe Town

Greater London · 280 mg/l

Blackheath

Greater London · 279 mg/l

Blackheath Park

Greater London · 279 mg/l

Brockley

Greater London · 279 mg/l

Hither Green

Greater London · 279 mg/l

Honor Oak Park

Greater London · 279 mg/l

Ladywell

Greater London · 279 mg/l

Lee

Greater London · 279 mg/l

St John's

Greater London · 279 mg/l

Catford

Greater London · 279 mg/l

Deptford

Greater London · 279 mg/l

Greenwich

Greater London · 279 mg/l

Lewisham

Greater London · 279 mg/l

Royal Docks East

Greater London · 279 mg/l

Higham Hill

Greater London · 278 mg/l

South Woodford

Greater London · 278 mg/l

Upper Walthamstow

Greater London · 278 mg/l

Woodford Bridge

Greater London · 278 mg/l

Woodford Green

Greater London · 278 mg/l

Woodford Wells

Greater London · 278 mg/l

Yeading

Greater London · 278 mg/l

Central Parade

Greater London · 278 mg/l

Unity Place

Greater London · 278 mg/l

Walthamstow

Greater London · 278 mg/l

Woodford

Greater London · 278 mg/l

Upton

Greater London · 278 mg/l

Custom House

Greater London · 277 mg/l

Forest Gate

Greater London · 277 mg/l

Hackney Marsh

Greater London · 277 mg/l

Mill Meads

Greater London · 277 mg/l

Plaistow

Greater London · 277 mg/l

Plashet

Greater London · 277 mg/l

Stratford Marsh

Greater London · 277 mg/l

Stratford New Town

Greater London · 277 mg/l

Upton

Greater London · 277 mg/l

Upton Park

Greater London · 277 mg/l

Wallend

Greater London · 277 mg/l

East Ham

Greater London · 277 mg/l

Stratford

Greater London · 277 mg/l

West Ham

Greater London · 277 mg/l

Bellingham & Mottingham

Greater London · 277 mg/l

Chingford Green

Greater London · 275 mg/l

Chingford Hatch

Greater London · 275 mg/l

Church End

Greater London · 275 mg/l

Coldfall

Greater London · 275 mg/l

Collier Row

Greater London · 275 mg/l

Fairlop

Greater London · 275 mg/l

Friday Hill

Greater London · 275 mg/l

Golders Green

Greater London · 275 mg/l

Hainault

Greater London · 275 mg/l

Hale End

Greater London · 275 mg/l

Hanwell

Greater London · 275 mg/l

Highams Park

Greater London · 275 mg/l

Marks Gate

Greater London · 275 mg/l

North Finchley

Greater London · 275 mg/l

Repton Park

Greater London · 275 mg/l

Walthamstow Forest

Greater London · 275 mg/l

West Ealing

Greater London · 275 mg/l

Woodside Park

Greater London · 275 mg/l

Alderwood Terrace

Greater London · 275 mg/l

Chingford

Greater London · 275 mg/l

Finchley

Greater London · 275 mg/l

Friern Barnet

Greater London · 275 mg/l

Avery Hill

Greater London · 274 mg/l

Falconwood

Greater London · 274 mg/l

Kidbrooke

Greater London · 274 mg/l

Lambeth

Greater London · 274 mg/l

Mottingham

Greater London · 274 mg/l

New Eltham

Greater London · 274 mg/l

North Southwark

Greater London · 274 mg/l

Shooters Hill

Greater London · 274 mg/l

Streatham Hill

Greater London · 274 mg/l

Streatham Park

Greater London · 274 mg/l

Eltham

Greater London · 274 mg/l

Southwark

Greater London · 274 mg/l

Streatham

Greater London · 274 mg/l

Temple Mills

Greater London · 272 mg/l

Leyton

Greater London · 272 mg/l

Plashet Park

Greater London · 272 mg/l

Royal Docks West

Greater London · 272 mg/l

Stamford Hill

Greater London · 272 mg/l

Heston

Greater London · 271 mg/l

Cockfosters

Greater London · 270 mg/l

East Barnet

Greater London · 270 mg/l

Globe Town

Greater London · 270 mg/l

Haggerston

Greater London · 270 mg/l

Limehouse

Greater London · 270 mg/l

Oakleigh Park

Greater London · 270 mg/l

Ratcliff

Greater London · 270 mg/l

Spitalfields

Greater London · 270 mg/l

Totteridge

Greater London · 270 mg/l

Whetstone

Greater London · 270 mg/l

Whitechapel

Greater London · 270 mg/l

Barnet

Greater London · 270 mg/l

Bethnal Green

Greater London · 270 mg/l

Frank Whipple Estate

Greater London · 270 mg/l

Stepney

Greater London · 270 mg/l

Brimsdown

Greater London · 269 mg/l

Bulls Cross

Greater London · 269 mg/l

Enfield Highway

Greater London · 269 mg/l

Enfield Island Village

Greater London · 269 mg/l

Enfield Lock

Greater London · 269 mg/l

Enfield Town

Greater London · 269 mg/l

Enfield Wash

Greater London · 269 mg/l

Forty Hill

Greater London · 269 mg/l

Freezy Water

Greater London · 269 mg/l

Southbury

Greater London · 269 mg/l

Tottenham North

Greater London · 269 mg/l

Crews Hill

Greater London · 268 mg/l

Craven Walk

Greater London · 268 mg/l

Highlands Village

Greater London · 268 mg/l

North Harrow

Greater London · 268 mg/l

Rayners Lane

Greater London · 268 mg/l

South Harrow

Greater London · 268 mg/l

South Tottenham

Greater London · 268 mg/l

Stamford Hill

Greater London · 268 mg/l

Tottenham Hale

Greater London · 268 mg/l

West Green

Greater London · 268 mg/l

West Harrow

Greater London · 268 mg/l

World's End

Greater London · 268 mg/l

Chase Village

Greater London · 268 mg/l

Enfield

Greater London · 268 mg/l

Pinner

Greater London · 268 mg/l

Tottenham

Greater London · 268 mg/l

Gunnersbury

Greater London · 268 mg/l

Hampstead West

Greater London · 268 mg/l

Bedford Park

Greater London · 267 mg/l

Brook Green

Greater London · 267 mg/l

East Acton

Greater London · 267 mg/l

Shepherd's Bush

Greater London · 267 mg/l

West Kensington

Greater London · 267 mg/l

Wormwood Scrubs

Greater London · 267 mg/l

Barnes

Greater London · 267 mg/l

Chiswick

Greater London · 267 mg/l

Hammersmith

Greater London · 267 mg/l

Muswell Hill & Hampstead Heath

Greater London · 267 mg/l

Shacklewell & Canonbury

Greater London · 267 mg/l

Bullsmoor

Greater London · 266 mg/l

Lower Edmonton

Greater London · 266 mg/l

Ponders End

Greater London · 266 mg/l

Kensington

Greater London · 266 mg/l

Aldborough Hatch

Greater London · 265 mg/l

Barkingside

Greater London · 265 mg/l

Brunswick Park

Greater London · 265 mg/l

Bush Hill Park

Greater London · 265 mg/l

Chadwell Heath

Greater London · 265 mg/l

Clayhall

Greater London · 265 mg/l

Cranbrook

Greater London · 265 mg/l

Cranford

Greater London · 265 mg/l

Fullwell Cross

Greater London · 265 mg/l

Gants Hill

Greater London · 265 mg/l

Goodmayes

Greater London · 265 mg/l

Grange Park

Greater London · 265 mg/l

Harlington

Greater London · 265 mg/l

Hayes End

Greater London · 265 mg/l

Hillingdon Heath

Greater London · 265 mg/l

Little Heath

Greater London · 265 mg/l

Little Ilford

Greater London · 265 mg/l

Loxford

Greater London · 265 mg/l

Manor Park

Greater London · 265 mg/l

Mill Hill

Greater London · 265 mg/l

New Southgate

Greater London · 265 mg/l

Newbury Park

Greater London · 265 mg/l

Oakwood

Greater London · 265 mg/l

Osidge

Greater London · 265 mg/l

Redbridge

Greater London · 265 mg/l

Seven Kings

Greater London · 265 mg/l

Snaresbrook

Greater London · 265 mg/l

Staples Corner

Greater London · 265 mg/l

Upper Edmonton

Greater London · 265 mg/l

Welsh Harp

Greater London · 265 mg/l

West Hendon

Greater London · 265 mg/l

Winchmore Hill

Greater London · 265 mg/l

Edmonton

Greater London · 265 mg/l

Hayes

Greater London · 265 mg/l

Hendon

Greater London · 265 mg/l

Southgate

Greater London · 265 mg/l

Crouch End & Gospel Oak

Greater London · 265 mg/l

Holborn

Greater London · 265 mg/l

Lower Place

Greater London · 264 mg/l

North Acton

Greater London · 264 mg/l

West Acton

Greater London · 264 mg/l

Brondesbury

Greater London · 264 mg/l

Streatham South & Dulwich West

Greater London · 264 mg/l

Cranley Gardens

Greater London · 263 mg/l

Crouch End

Greater London · 263 mg/l

Dartmouth Park

Greater London · 263 mg/l

Fortis Green

Greater London · 263 mg/l

Gospel Oak

Greater London · 263 mg/l

Harringay

Greater London · 263 mg/l

Heston

Greater London · 263 mg/l

Highgate

Greater London · 263 mg/l

Hounslow West

Greater London · 263 mg/l

Kentish Town

Greater London · 263 mg/l

Lampton

Greater London · 263 mg/l

Maitland Park

Greater London · 263 mg/l

Osterley

Greater London · 263 mg/l

Primrose Hill

Greater London · 263 mg/l

South Acton

Greater London · 263 mg/l

Spring Grove

Greater London · 263 mg/l

Stroud Green

Greater London · 263 mg/l

Tufnell Park

Greater London · 263 mg/l

Upper Holloway

Greater London · 263 mg/l

Whitton

Greater London · 263 mg/l

Woodlands

Greater London · 263 mg/l

Acton

Greater London · 263 mg/l

Camden Town

Greater London · 263 mg/l

Ealing

Greater London · 263 mg/l

Hornsey

Greater London · 263 mg/l

Hounslow

Greater London · 263 mg/l

Isleworth

Greater London · 263 mg/l

Brent South

Greater London · 263 mg/l

Hackney South

Greater London · 263 mg/l

Sydenham Central

Greater London · 263 mg/l

Botany Bay

Greater London · 262 mg/l

Acton Green

Greater London · 262 mg/l

Beddington Corner

Greater London · 262 mg/l

Berrylands

Greater London · 262 mg/l

Brentford End

Greater London · 262 mg/l

Coombe

Greater London · 262 mg/l

Earlsfield

Greater London · 262 mg/l

Furzedown

Greater London · 262 mg/l

Grove Park

Greater London · 262 mg/l

Gunnersbury

Greater London · 262 mg/l

Hackbridge

Greater London · 262 mg/l

Hadley Wood

Greater London · 262 mg/l

Hampton Wick

Greater London · 262 mg/l

Kingston Hill

Greater London · 262 mg/l

Kingston Vale

Greater London · 262 mg/l

Lower Morden

Greater London · 262 mg/l

Morden Park

Greater London · 262 mg/l

Motspur Park

Greater London · 262 mg/l

Norbiton

Greater London · 262 mg/l

Old Malden

Greater London · 262 mg/l

Rosehill

Greater London · 262 mg/l

Seething Wells

Greater London · 262 mg/l

Southborough

Greater London · 262 mg/l

St Helier

Greater London · 262 mg/l

Strand on the Green

Greater London · 262 mg/l

Summerstown

Greater London · 262 mg/l

The Wrythe

Greater London · 262 mg/l

Tolworth

Greater London · 262 mg/l

Tooting Bec Common

Greater London · 262 mg/l

Tooting Graveney

Greater London · 262 mg/l

Upper Tooting

Greater London · 262 mg/l

Brentford

Greater London · 262 mg/l

Mitcham

Greater London · 262 mg/l

Morden

Greater London · 262 mg/l

Risley Close

Greater London · 262 mg/l

Abbey Wood

Greater London · 262 mg/l

Hanger Lane & Stonebridge

Greater London · 262 mg/l

Brixton

Greater London · 261 mg/l

Brockwell Park

Greater London · 261 mg/l

Stockwell

Greater London · 261 mg/l

Union Mews

Greater London · 261 mg/l

Sydenham East

Greater London · 261 mg/l

London

Greater London · 260 mg/l

London

Greater London · 260 mg/l

Westminster

Greater London · 260 mg/l

Balham

Greater London · 260 mg/l

Barnsbury

Greater London · 260 mg/l

Brondesbury

Greater London · 260 mg/l

Bushey Mead

Greater London · 260 mg/l

Clapham Common

Greater London · 260 mg/l

Clapham Park

Greater London · 260 mg/l

Clerkenwell

Greater London · 260 mg/l

Collier's Wood

Greater London · 260 mg/l

Copse Hill

Greater London · 260 mg/l

Cottenham Park

Greater London · 260 mg/l

Cricklewood

Greater London · 260 mg/l

Crooked Billet

Greater London · 260 mg/l

Finsbury

Greater London · 260 mg/l

Hoxton

Greater London · 260 mg/l

Hyde Park Corner

Greater London · 260 mg/l

Kensal Rise

Greater London · 260 mg/l

Kilburn

Greater London · 260 mg/l

King's Cross

Greater London · 260 mg/l

Lower Holloway

Greater London · 260 mg/l

Mayfair

Greater London · 260 mg/l

Merton Park

Greater London · 260 mg/l

Pentonville

Greater London · 260 mg/l

Raynes Park

Greater London · 260 mg/l

Shoreditch

Greater London · 260 mg/l

South Wimbledon

Greater London · 260 mg/l

St James's

Greater London · 260 mg/l

St Luke's

Greater London · 260 mg/l

St Pancras

Greater London · 260 mg/l

The Borough

Greater London · 260 mg/l

West Barnes

Greater London · 260 mg/l

West Hampstead

Greater London · 260 mg/l

Whitehall

Greater London · 260 mg/l

Wimbledon Common

Greater London · 260 mg/l

Clapham

Greater London · 260 mg/l

Islington

Greater London · 260 mg/l

Poynders Parade

Greater London · 260 mg/l

Balham

Greater London · 260 mg/l

Merton

Greater London · 260 mg/l

Rotherhithe

Greater London · 260 mg/l

Brondesbury Park

Greater London · 259 mg/l

Brownswood Park

Greater London · 259 mg/l

Canonbury

Greater London · 259 mg/l

Church End

Greater London · 259 mg/l

College Park

Greater London · 259 mg/l

Cubitt Town

Greater London · 259 mg/l

De Beauvoir Town

Greater London · 259 mg/l

Dollis Hill

Greater London · 259 mg/l

Dudden Hill

Greater London · 259 mg/l

Finsbury Park

Greater London · 259 mg/l

Ham

Greater London · 259 mg/l

Hampton Court

Greater London · 259 mg/l

Hampton Hill

Greater London · 259 mg/l

Harlesden

Greater London · 259 mg/l

Highbury

Greater London · 259 mg/l

Kensal Green

Greater London · 259 mg/l

Lisson Grove

Greater London · 259 mg/l

Millwall

Greater London · 259 mg/l

Neasden

Greater London · 259 mg/l

Old Oak Common

Greater London · 259 mg/l

Rotherhithe

Greater London · 259 mg/l

Shadwell

Greater London · 259 mg/l

South Hampstead

Greater London · 259 mg/l

St George in the East

Greater London · 259 mg/l

St John's Wood

Greater London · 259 mg/l

Wapping

Greater London · 259 mg/l

Willesden Green

Greater London · 259 mg/l

Bermondsey

Greater London · 259 mg/l

Hampton

Greater London · 259 mg/l

Stoke Newington

Greater London · 259 mg/l

Tavern Quay

Greater London · 259 mg/l

Teddington

Greater London · 259 mg/l

Willesden

Greater London · 259 mg/l

Knightsbridge

Greater London · 259 mg/l

Alexandra Park

Greater London · 258 mg/l

Bounds Green

Greater London · 258 mg/l

Bowes Park

Greater London · 258 mg/l

Muswell Hill

Greater London · 258 mg/l

Noel Park

Greater London · 258 mg/l

Palmers Green

Greater London · 258 mg/l

Wood Green

Greater London · 258 mg/l

New Malden

Greater London · 258 mg/l

Shooters Hill

Greater London · 258 mg/l

Bayswater

Greater London · 257 mg/l

Bloomsbury

Greater London · 257 mg/l

Earl's Court

Greater London · 257 mg/l

Fitzrovia

Greater London · 257 mg/l

Holborn

Greater London · 257 mg/l

Kennington

Greater London · 257 mg/l

Kensal Town

Greater London · 257 mg/l

Knightsbridge

Greater London · 257 mg/l

Maida Vale

Greater London · 257 mg/l

Marylebone

Greater London · 257 mg/l

Newington

Greater London · 257 mg/l

Norbury

Greater London · 257 mg/l

North Kensington

Greater London · 257 mg/l

Notting Hill

Greater London · 257 mg/l

Parsons Green

Greater London · 257 mg/l

Pimlico

Greater London · 257 mg/l

Putney Heath

Greater London · 257 mg/l

Putney Vale

Greater London · 257 mg/l

Regent's Park

Greater London · 257 mg/l

Roehampton

Greater London · 257 mg/l

Soho

Greater London · 257 mg/l

Somers Town

Greater London · 257 mg/l

South Lambeth

Greater London · 257 mg/l

Southfields

Greater London · 257 mg/l

St Giles

Greater London · 257 mg/l

Strand

Greater London · 257 mg/l

Streatham Vale

Greater London · 257 mg/l

Upper Norwood

Greater London · 257 mg/l

Vauxhall

Greater London · 257 mg/l

Victoria

Greater London · 257 mg/l

Wandsworth Common

Greater London · 257 mg/l

West Kilburn

Greater London · 257 mg/l

Westbourne Green

Greater London · 257 mg/l

Wimbledon Park

Greater London · 257 mg/l

Fulham

Greater London · 257 mg/l

Kensington

Greater London · 257 mg/l

Paddington

Greater London · 257 mg/l

Putney

Greater London · 257 mg/l

The Mews

Greater London · 257 mg/l

Wandsworth

Greater London · 257 mg/l

Barnes

Greater London · 257 mg/l

Lambeth North

Greater London · 257 mg/l

Putney Central

Greater London · 257 mg/l

Belgravia

Greater London · 256 mg/l

Brompton

Greater London · 256 mg/l

Childs Hill

Greater London · 256 mg/l

Hampstead Heath

Greater London · 256 mg/l

North End

Greater London · 256 mg/l

Parliament Hill

Greater London · 256 mg/l

South Kensington

Greater London · 256 mg/l

Vale of Health

Greater London · 256 mg/l

West Brompton

Greater London · 256 mg/l

Chelsea

Greater London · 256 mg/l

Hampstead

Greater London · 256 mg/l

New Cross

Greater London · 256 mg/l

Wandsworth East

Greater London · 256 mg/l

Clapham Junction

Greater London · 255 mg/l

Dulwich

Greater London · 255 mg/l

Dulwich Village

Greater London · 255 mg/l

East Dulwich

Greater London · 255 mg/l

Forest Hill

Greater London · 255 mg/l

Herne Hill

Greater London · 255 mg/l

Honor Oak

Greater London · 255 mg/l

Nine Elms

Greater London · 255 mg/l

Norwood New Town

Greater London · 255 mg/l

Sands End

Greater London · 255 mg/l

Tulse Hill

Greater London · 255 mg/l

Upper Sydenham

Greater London · 255 mg/l

Walham Green

Greater London · 255 mg/l

West Dulwich

Greater London · 255 mg/l

West Norwood

Greater London · 255 mg/l

Battersea

Greater London · 255 mg/l

Berrylands & Long Ditton

Greater London · 255 mg/l

Croydon West Upper

Greater London · 255 mg/l

Croydon Woodside

Greater London · 255 mg/l

Shepherds Bush

Greater London · 255 mg/l

Croydon North

Greater London · 254 mg/l

Fulham

Greater London · 254 mg/l

Walworth

Greater London · 254 mg/l

New Cross

Greater London · 253 mg/l

Nunhead

Greater London · 253 mg/l

Peckham

Greater London · 253 mg/l

Norwood & Forest Hill

Greater London · 253 mg/l

Syon Park

Greater London · 253 mg/l

Whitton

Greater London · 253 mg/l

Hurlingham

Greater London · 252 mg/l

Sunbury West

Greater London · 252 mg/l

East Sheen

Greater London · 251 mg/l

Hook

Greater London · 251 mg/l

Kew

Greater London · 251 mg/l

Mortlake

Greater London · 251 mg/l

North Sheen

Greater London · 251 mg/l

Petersham

Greater London · 251 mg/l

St Margarets

Greater London · 251 mg/l

Walworth

Greater London · 251 mg/l

Camberwell

Greater London · 251 mg/l

Richmond upon Thames

Greater London · 251 mg/l

Twickenham

Greater London · 251 mg/l

Streatham East

Greater London · 250 mg/l

South East

Avg: 275 mg/l · Hard

Dagnall

Buckinghamshire · 348 mg/l

Banstead

Surrey · 345 mg/l

Caterham

Surrey · 345 mg/l

Redhill

Surrey · 345 mg/l

Coles Meads

Surrey · 345 mg/l

East Ewell

Surrey · 345 mg/l

Hogden Bottom

Surrey · 345 mg/l

Holmethorpe

Surrey · 345 mg/l

Kingswood Warren

Surrey · 345 mg/l

Mead Vale

Surrey · 345 mg/l

South Earlswood

Surrey · 345 mg/l

St Johns

Surrey · 345 mg/l

Subrosa

Surrey · 345 mg/l

White Post

Surrey · 345 mg/l

Henley-on-Thames

Oxfordshire · 329 mg/l

Marlow

Buckinghamshire · 329 mg/l

Ashford

Surrey · 328 mg/l

Littleton

Surrey · 328 mg/l

Shepperton Green

Surrey · 328 mg/l

Stanwell

Surrey · 328 mg/l

West Bedfont

Surrey · 328 mg/l

Chattern Hill

Surrey · 328 mg/l

Sevenoaks

Kent · 327 mg/l

Swanley

Kent · 327 mg/l

Greatness

Kent · 327 mg/l

Knatts Valley

Kent · 327 mg/l

Noah's Ark

Kent · 327 mg/l

St John's

Kent · 327 mg/l

Wildernesse

Kent · 327 mg/l

Amersham

Buckinghamshire · 325 mg/l

Bradenham

Buckinghamshire · 325 mg/l

Chenies

Buckinghamshire · 325 mg/l

Coleshill

Buckinghamshire · 325 mg/l

Cryers Hill

Buckinghamshire · 325 mg/l

Downley

Buckinghamshire · 325 mg/l

Great Kingshill

Buckinghamshire · 325 mg/l

Hazlemere

Buckinghamshire · 325 mg/l

Holmer Green

Buckinghamshire · 325 mg/l

Hughenden Valley

Buckinghamshire · 325 mg/l

Latimer

Buckinghamshire · 325 mg/l

Little Kingshill

Buckinghamshire · 325 mg/l

Little Missenden

Buckinghamshire · 325 mg/l

Naphill

Buckinghamshire · 325 mg/l

Penn

Buckinghamshire · 325 mg/l

Penn Street

Buckinghamshire · 325 mg/l

Tylers Green

Buckinghamshire · 325 mg/l

Upper North Dean

Buckinghamshire · 325 mg/l

Walter's Ash

Buckinghamshire · 325 mg/l

West Wycombe

Buckinghamshire · 325 mg/l

Widmer End

Buckinghamshire · 325 mg/l

Winchmore Hill

Buckinghamshire · 325 mg/l

Amersham Common

Buckinghamshire · 325 mg/l

Amersham Old Town

Buckinghamshire · 325 mg/l

Amersham on the Hill

Buckinghamshire · 325 mg/l

Bury End

Buckinghamshire · 325 mg/l

Chesham Bois

Buckinghamshire · 325 mg/l

Heath End

Buckinghamshire · 325 mg/l

Sands

Buckinghamshire · 325 mg/l

Terriers

Buckinghamshire · 325 mg/l

Dorking

Surrey · 321 mg/l

Epsom

Surrey · 321 mg/l

Ewell

Surrey · 321 mg/l

Leatherhead

Surrey · 321 mg/l

Reigate

Surrey · 321 mg/l

Beech Hill

West Berkshire · 315 mg/l

Chalkhouse Green

Oxfordshire · 315 mg/l

Chazey Heath

Oxfordshire · 315 mg/l

Gallowstree Common

Oxfordshire · 315 mg/l

Great Lea Common

Wokingham · 315 mg/l

Kidmore End

Oxfordshire · 315 mg/l

Tokers Green

Oxfordshire · 315 mg/l

Caversham Heights

Reading · 315 mg/l

Coley

Reading · 315 mg/l

Hemdean Bottom

Reading · 315 mg/l

Southcote

Reading · 315 mg/l

Hungerford

West Berkshire · 313 mg/l

Dartford

Kent · 310 mg/l

Gravesend

Kent · 310 mg/l

Northfleet

Kent · 310 mg/l

Swanscombe

Kent · 310 mg/l

Ashampstead

West Berkshire · 309 mg/l

Bradfield

West Berkshire · 309 mg/l

Burghfield

West Berkshire · 309 mg/l

Burnt Hill

West Berkshire · 309 mg/l

Cray's Pond

Oxfordshire · 309 mg/l

Englefield

West Berkshire · 309 mg/l

Lambourn

West Berkshire · 309 mg/l

Lower Basildon

West Berkshire · 309 mg/l

New Town

West Berkshire · 309 mg/l

Pangbourne

West Berkshire · 309 mg/l

Southend

West Berkshire · 309 mg/l

Stanford Dingley

West Berkshire · 309 mg/l

Sulham

West Berkshire · 309 mg/l

Sulhamstead

West Berkshire · 309 mg/l

Theale

West Berkshire · 309 mg/l

Tidmarsh

West Berkshire · 309 mg/l

Tutts Clump

West Berkshire · 309 mg/l

Upper Basildon

West Berkshire · 309 mg/l

Whitchurch Hill

Oxfordshire · 309 mg/l

Whitchurch-on-Thames

Oxfordshire · 309 mg/l

Burghfield Hill

West Berkshire · 309 mg/l

Calcot

West Berkshire · 309 mg/l

Calcot Row

West Berkshire · 309 mg/l

Churchend

Reading · 309 mg/l

Horncastle

Reading · 309 mg/l

Little Heath

West Berkshire · 309 mg/l

Purley on Thames

West Berkshire · 309 mg/l

Tilehurst

Reading · 309 mg/l

Baker's Wood

Buckinghamshire · 308 mg/l

Denham

Buckinghamshire · 308 mg/l

Fulmer

Buckinghamshire · 308 mg/l

Higher Denham

Buckinghamshire · 308 mg/l

New Denham

Buckinghamshire · 308 mg/l

Tatling End

Buckinghamshire · 308 mg/l

Wexham Street

Buckinghamshire · 308 mg/l

Denham Green

Buckinghamshire · 308 mg/l

Iver Heath

Buckinghamshire · 308 mg/l

Warlingham

Surrey · 303 mg/l

Chelsham

Surrey · 303 mg/l

Farleigh

Surrey · 303 mg/l

Whyteleafe

Surrey · 303 mg/l

Woldingham Garden Village

Surrey · 303 mg/l

Greatpark

Surrey · 303 mg/l

The Ridge

Surrey · 303 mg/l

Eton

Windsor and Maidenhead · 301 mg/l

Maidenhead

Windsor and Maidenhead · 301 mg/l

Slough

Slough · 301 mg/l

Windsor

Windsor and Maidenhead · 301 mg/l

Chesham

Buckinghamshire · 300 mg/l

Wendover

Buckinghamshire · 300 mg/l

Wantage

Oxfordshire · 296 mg/l

Belmont

Oxfordshire · 296 mg/l

Charlton

Oxfordshire · 296 mg/l

Southmoor

Oxfordshire · 296 mg/l

Townsend

Oxfordshire · 296 mg/l

Egham

Surrey · 295 mg/l

Staines-upon-Thames

Surrey · 295 mg/l

Westerham

Kent · 295 mg/l

Hythe End

Windsor and Maidenhead · 295 mg/l

Laleham

Surrey · 295 mg/l

Lyne

Surrey · 295 mg/l

Penton Hook

Surrey · 295 mg/l

Runnymede

Surrey · 295 mg/l

Stanwell Moor

Surrey · 295 mg/l

Stroude

Surrey · 295 mg/l

Thorpe

Surrey · 295 mg/l

Thorpe Green

Surrey · 295 mg/l

Trumps Green

Surrey · 295 mg/l

Virginia Water

Surrey · 295 mg/l

Bessels Green

Kent · 295 mg/l

Birch Green

Surrey · 295 mg/l

Chipstead

Kent · 295 mg/l

Church Lammas

Windsor and Maidenhead · 295 mg/l

Egham Hythe

Surrey · 295 mg/l

Englefield Green

Surrey · 295 mg/l

Fan Grove

Surrey · 295 mg/l

Harpesford

Surrey · 295 mg/l

Kippington

Kent · 295 mg/l

Knowle Green

Surrey · 295 mg/l

Knowle Grove

Surrey · 295 mg/l

Knowle Hill

Surrey · 295 mg/l

Longford

Kent · 295 mg/l

Ripley Springs

Surrey · 295 mg/l

Riverhead

Kent · 295 mg/l

Royal Holloway

Surrey · 295 mg/l

St Ann's Heath

Surrey · 295 mg/l

St Ann's Hill

Surrey · 295 mg/l

Thorpe Lea

Surrey · 295 mg/l

Hythe

Kent · 293 mg/l

Brabourne

Kent · 293 mg/l

Brook

Kent · 293 mg/l

Densole

Kent · 293 mg/l

Elham

Kent · 293 mg/l

Etchinghill

Kent · 293 mg/l

Ewell Minnis

Kent · 293 mg/l

Hastingleigh

Kent · 293 mg/l

Hawkinge

Kent · 293 mg/l

Lyminge

Kent · 293 mg/l

Newingreen

Kent · 293 mg/l

Newington

Kent · 293 mg/l

Peene

Kent · 293 mg/l

Postling

Kent · 293 mg/l

Rhodes Minnis

Kent · 293 mg/l

Saltwood

Kent · 293 mg/l

Stanford

Kent · 293 mg/l

Stelling Minnis

Kent · 293 mg/l

Stowting

Kent · 293 mg/l

Waltham

Kent · 293 mg/l

Wood Street Village

Surrey · 293 mg/l

North Lyminge

Kent · 293 mg/l

Orchard Valley

Kent · 293 mg/l

Abingdon-on-Thames

Oxfordshire · 289 mg/l

Basingstoke

Hampshire · 288 mg/l

Beaconsfield

Buckinghamshire · 288 mg/l

Blackwater

Hampshire · 288 mg/l

Bracknell

Bracknell Forest · 288 mg/l

Camberley

Surrey · 288 mg/l

Crowthorne

Bracknell Forest · 288 mg/l

Didcot

Oxfordshire · 288 mg/l

Farnborough

Hampshire · 288 mg/l

Frimley

Surrey · 288 mg/l

Gerrards Cross

Buckinghamshire · 288 mg/l

High Wycombe

Buckinghamshire · 288 mg/l

Sandhurst

Bracknell Forest · 288 mg/l

Tadley

Hampshire · 288 mg/l

Walton-on-Thames

Surrey · 288 mg/l

Yateley

Hampshire · 288 mg/l

Appleford-on-Thames

Oxfordshire · 288 mg/l

Ash Vale

Surrey · 288 mg/l

Aston Tirrold

Oxfordshire · 288 mg/l

Aston Upthorpe

Oxfordshire · 288 mg/l

Bisley

Surrey · 288 mg/l

Blewbury

Oxfordshire · 288 mg/l

Brookwood

Surrey · 288 mg/l

Burcot

Oxfordshire · 288 mg/l

Chilton

Oxfordshire · 288 mg/l

Compton

West Berkshire · 288 mg/l

Deepcut

Surrey · 288 mg/l

East Hagbourne

Oxfordshire · 288 mg/l

East Ilsley

West Berkshire · 288 mg/l

Harwell

Oxfordshire · 288 mg/l

Long Wittenham

Oxfordshire · 288 mg/l

Milton

Oxfordshire · 288 mg/l

Milton Heights

Oxfordshire · 288 mg/l

Mytchett

Surrey · 288 mg/l

North Moreton

Oxfordshire · 288 mg/l

Penny Pot

Surrey · 288 mg/l

Pirbright

Surrey · 288 mg/l

Rowstock

Oxfordshire · 288 mg/l

Sheet's Heath

Surrey · 288 mg/l

Shepperton

Surrey · 288 mg/l

South Moreton

Oxfordshire · 288 mg/l

Stanford Common

Surrey · 288 mg/l

Steventon

Oxfordshire · 288 mg/l

Upper Halliford

Surrey · 288 mg/l

Upton

Oxfordshire · 288 mg/l

West Hagbourne

Oxfordshire · 288 mg/l

Amen Corner

Bracknell Forest · 288 mg/l

Ash Estates

Surrey · 288 mg/l

Ashley Park

Surrey · 288 mg/l

Beasley's Ait

Surrey · 288 mg/l

Birch Hill

Bracknell Forest · 288 mg/l

Broadmoor Estate

Bracknell Forest · 288 mg/l

Brookside

Windsor and Maidenhead · 288 mg/l

Bullbrook

Bracknell Forest · 288 mg/l

Burrowhill

Surrey · 288 mg/l

Chalfont Common

Buckinghamshire · 288 mg/l

College Town

Bracknell Forest · 288 mg/l

Cookham Rise

Windsor and Maidenhead · 288 mg/l

Cove

Hampshire · 288 mg/l

Crawley Hill

Surrey · 288 mg/l

Cressex

Buckinghamshire · 288 mg/l

Crown Wood

Bracknell Forest · 288 mg/l

Easthampstead

Bracknell Forest · 288 mg/l

Farleywood

Bracknell Forest · 288 mg/l

Farnborough Park

Hampshire · 288 mg/l

Farnborough Street

Hampshire · 288 mg/l

Fisher's Hill

Surrey · 288 mg/l

Forest Park

Bracknell Forest · 288 mg/l

Forty Green

Buckinghamshire · 288 mg/l

Fox Lane

Hampshire · 288 mg/l

Frimley Green

Surrey · 288 mg/l

Frogmore

Hampshire · 288 mg/l

Great Hollands

Bracknell Forest · 288 mg/l

Hanworth

Bracknell Forest · 288 mg/l

Harmans Water

Bracknell Forest · 288 mg/l

Heatherside

Surrey · 288 mg/l

Holtspur

Buckinghamshire · 288 mg/l

Knaphill

Surrey · 288 mg/l

Knotty Green

Buckinghamshire · 288 mg/l

Little Sandhurst

Bracknell Forest · 288 mg/l

Lower Halliford

Surrey · 288 mg/l

Martin's Heron

Bracknell Forest · 288 mg/l

Micklefield

Buckinghamshire · 288 mg/l

Moulsham Green

Hampshire · 288 mg/l

Owlsmoor

Bracknell Forest · 288 mg/l

Pondtail

Hampshire · 288 mg/l

Popeswood

Bracknell Forest · 288 mg/l

Priestwood

Bracknell Forest · 288 mg/l

Rafborough

Hampshire · 288 mg/l

Rydens

Surrey · 288 mg/l

Skimpedhill

Bracknell Forest · 288 mg/l

Smart's Heath

Surrey · 288 mg/l

South Farnborough

Hampshire · 288 mg/l

Southwood

Hampshire · 288 mg/l

Tadley

Oxfordshire · 288 mg/l

Temple Park

Bracknell Forest · 288 mg/l

The Rise

Windsor and Maidenhead · 288 mg/l

The Warren

Bracknell Forest · 288 mg/l

West Heath

Hampshire · 288 mg/l

Whitegrove

Bracknell Forest · 288 mg/l

Wick Hill

Bracknell Forest · 288 mg/l

Wick Hill

Wokingham · 288 mg/l

Wildridings

Bracknell Forest · 288 mg/l

Winter Hill

Windsor and Maidenhead · 288 mg/l

Wooburn Moor

Buckinghamshire · 288 mg/l

Wycombe Marsh

Buckinghamshire · 288 mg/l

York Town

Surrey · 288 mg/l

Henley Park

Surrey · 288 mg/l

Milton Hill

Oxfordshire · 288 mg/l

Aylesbury

Buckinghamshire · 287 mg/l

Princes Risborough

Buckinghamshire · 287 mg/l

Thame

Oxfordshire · 287 mg/l

Burntcommon

Surrey · 287 mg/l

East Clandon

Surrey · 287 mg/l

East Horsley

Surrey · 287 mg/l

Jacobs Well

Surrey · 287 mg/l

Pyle Hill

Surrey · 287 mg/l

Send

Surrey · 287 mg/l

Send Marsh

Surrey · 287 mg/l

Sutton Green

Surrey · 287 mg/l

West Clandon

Surrey · 287 mg/l

West Horsley

Surrey · 287 mg/l

Worplesdon

Surrey · 287 mg/l

Burpham

Surrey · 287 mg/l

Cartbridge

Surrey · 287 mg/l

Grove Heath

Surrey · 287 mg/l

Mayford

Surrey · 287 mg/l

Pray Heath

Surrey · 287 mg/l

Slyfield

Surrey · 287 mg/l

Westfield

Surrey · 287 mg/l

Deal

Kent · 285 mg/l

Dover

Kent · 285 mg/l

Folkestone

Kent · 285 mg/l

Capel-le-Ferne

Kent · 285 mg/l

Aycliffe

Kent · 285 mg/l

Buckland

Kent · 285 mg/l

Buckland Valley

Kent · 285 mg/l

Cheriton

Kent · 285 mg/l

Clarendon

Kent · 285 mg/l

Coolinge

Kent · 285 mg/l

Crabble

Kent · 285 mg/l

Elms Vale

Kent · 285 mg/l

Foord

Kent · 285 mg/l

Horn Street

Kent · 285 mg/l

Kearsney

Kent · 285 mg/l

Lower Walmer

Kent · 285 mg/l

Maxton

Kent · 285 mg/l

Middle Deal

Kent · 285 mg/l

Mill Hill

Kent · 285 mg/l

Morehall

Kent · 285 mg/l

Nelson Park

Kent · 285 mg/l

River

Kent · 285 mg/l

Sandgate

Kent · 285 mg/l

Seabrook

Kent · 285 mg/l

St Radigund's

Kent · 285 mg/l

Temple Ewell

Kent · 285 mg/l

Tower Hamlets

Kent · 285 mg/l

Upper Deal

Kent · 285 mg/l

Upper Walmer

Kent · 285 mg/l

Walmer

Kent · 285 mg/l

Western Heights

Kent · 285 mg/l

Joyden's Wood

Kent · 284 mg/l

Bowmans

Kent · 284 mg/l

Maypole

Kent · 284 mg/l

Colnbrook

Slough · 283 mg/l

Horn Hill

Buckinghamshire · 283 mg/l

Iver

Buckinghamshire · 283 mg/l

Poyle

Slough · 283 mg/l

Richings Park

Buckinghamshire · 283 mg/l

Shreding Green

Buckinghamshire · 283 mg/l

Thorney

Buckinghamshire · 283 mg/l

Love Green

Buckinghamshire · 283 mg/l

Sutton

Slough · 283 mg/l

Taynton

Oxfordshire · 281.3 mg/l

Westwell

Oxfordshire · 281.3 mg/l

Watlington

Oxfordshire · 278 mg/l

Oxford

Oxfordshire · 276 mg/l

Chipping Norton

Oxfordshire · 276 mg/l

Barton

Oxfordshire · 276 mg/l

Blackbird Leys

Oxfordshire · 276 mg/l

Blenheim

Oxfordshire · 276 mg/l

Cold Harbour

Oxfordshire · 276 mg/l

Cowley

Oxfordshire · 276 mg/l

Florence Park

Oxfordshire · 276 mg/l

Grandpont

Oxfordshire · 276 mg/l

Headington

Oxfordshire · 276 mg/l

Headington Hill

Oxfordshire · 276 mg/l

Headington Quarry

Oxfordshire · 276 mg/l

Iffley

Oxfordshire · 276 mg/l

Littlemore

Oxfordshire · 276 mg/l

New Headington

Oxfordshire · 276 mg/l

New Hinksey

Oxfordshire · 276 mg/l

New Marston

Oxfordshire · 276 mg/l

Risinghurst

Oxfordshire · 276 mg/l

Rose Hill

Oxfordshire · 276 mg/l

Sandhills

Oxfordshire · 276 mg/l

Shotover Hill

Oxfordshire · 276 mg/l

Temple Cowley

Oxfordshire · 276 mg/l

Woking

Surrey · 273 mg/l

Castle Green

Surrey · 273 mg/l

Chobham

Surrey · 273 mg/l

Mimbridge

Surrey · 273 mg/l

Ockham

Surrey · 273 mg/l

Pyrford

Surrey · 273 mg/l

Pyrford Green

Surrey · 273 mg/l

Ripley

Surrey · 273 mg/l

Sheerwater

Surrey · 273 mg/l

West Byfleet

Surrey · 273 mg/l

Hockering Estate

Surrey · 273 mg/l

Hook Heath

Surrey · 273 mg/l

Horsell

Surrey · 273 mg/l

Kingfield

Surrey · 273 mg/l

Littlewick

Surrey · 273 mg/l

Maybury

Surrey · 273 mg/l

Mount Hermon

Surrey · 273 mg/l

Old Woking

Surrey · 273 mg/l

St John's

Surrey · 273 mg/l

Wallingford

Oxfordshire · 268 mg/l

Benson

Oxfordshire · 268 mg/l

Berrick Salome

Oxfordshire · 268 mg/l

Brightwell-cum-Sotwell

Oxfordshire · 268 mg/l

Brookhampton

Oxfordshire · 268 mg/l

Checkendon

Oxfordshire · 268 mg/l

Cholsey

Oxfordshire · 268 mg/l

Crowmarsh Gifford

Oxfordshire · 268 mg/l

Dorchester

Oxfordshire · 268 mg/l

Drayton St Leonard

Oxfordshire · 268 mg/l

Ewelme

Oxfordshire · 268 mg/l

Goring

Oxfordshire · 268 mg/l

Hungerford Green

West Berkshire · 268 mg/l

Ipsden

Oxfordshire · 268 mg/l

Mongewell

Oxfordshire · 268 mg/l

Moulsford

Oxfordshire · 268 mg/l

Newington

Oxfordshire · 268 mg/l

North Stoke

Oxfordshire · 268 mg/l

Nuffield

Oxfordshire · 268 mg/l

Preston Crowmarsh

Oxfordshire · 268 mg/l

Roke

Oxfordshire · 268 mg/l

Shillingford

Oxfordshire · 268 mg/l

South Stoke

Oxfordshire · 268 mg/l

Stadhampton

Oxfordshire · 268 mg/l

Stoke Row

Oxfordshire · 268 mg/l

Streatley

West Berkshire · 268 mg/l

Warborough

Oxfordshire · 268 mg/l

Woodcote

Oxfordshire · 268 mg/l

Bridge End

Oxfordshire · 268 mg/l

Cleeve

Oxfordshire · 268 mg/l

Newnham Murren

Oxfordshire · 268 mg/l

Slade End

Oxfordshire · 268 mg/l

Winterbrook

Oxfordshire · 268 mg/l

Newbury

West Berkshire · 262 mg/l

Thatcham

West Berkshire · 262 mg/l

Long Ditton

Surrey · 262 mg/l

Reading

Reading · 260 mg/l

Wokingham

Wokingham · 260 mg/l

Woodley

Wokingham · 260 mg/l

Addlestone

Surrey · 255 mg/l

Chertsey

Surrey · 255 mg/l

Kidlington

Oxfordshire · 255 mg/l

Weybridge

Surrey · 255 mg/l

Burwood Park

Surrey · 255 mg/l

Byfleet

Surrey · 255 mg/l

East Molesey

Surrey · 255 mg/l

Elsfield

Oxfordshire · 255 mg/l

Hampton Poyle

Oxfordshire · 255 mg/l

Hatchford

Surrey · 255 mg/l

Islip

Oxfordshire · 255 mg/l

New Haw

Surrey · 255 mg/l

Noke

Oxfordshire · 255 mg/l

Oddington

Oxfordshire · 255 mg/l

Ottershaw

Surrey · 255 mg/l

Row Town

Surrey · 255 mg/l

Thames Ditton

Surrey · 255 mg/l

West Molesey

Surrey · 255 mg/l

Weston Green

Surrey · 255 mg/l

Whiteley Village

Surrey · 255 mg/l

Wisley

Surrey · 255 mg/l

Wolvercote

Oxfordshire · 255 mg/l

Woodham

Surrey · 255 mg/l

Yarnton

Oxfordshire · 255 mg/l

Addlestonemoor

Surrey · 255 mg/l

Cutteslowe

Oxfordshire · 255 mg/l

Effingham Junction

Surrey · 255 mg/l

Garden City

Oxfordshire · 255 mg/l

Hamhaugh Island

Surrey · 255 mg/l

Hamm Court Estate

Surrey · 255 mg/l

Hamm Moor

Surrey · 255 mg/l

Lock Island

Surrey · 255 mg/l

Lower Wolvercote

Oxfordshire · 255 mg/l

Marston

Oxfordshire · 255 mg/l

Norham Manor

Oxfordshire · 255 mg/l

Oatlands Park

Surrey · 255 mg/l

Park Town

Oxfordshire · 255 mg/l

Pharaoh's Island

Surrey · 255 mg/l

Summertown

Oxfordshire · 255 mg/l

Sunnymead

Oxfordshire · 255 mg/l

Towpath

Surrey · 255 mg/l

Upper Wolvercote

Oxfordshire · 255 mg/l

Walton Manor

Oxfordshire · 255 mg/l

Wey Meadows

Surrey · 255 mg/l

Burford

Oxfordshire · 254 mg/l

Carterton

Oxfordshire · 254 mg/l

Charlbury

Oxfordshire · 254 mg/l

Woodstock

Oxfordshire · 254 mg/l

Alvescot

Oxfordshire · 254 mg/l

Bampton

Oxfordshire · 254 mg/l

Black Bourton

Oxfordshire · 254 mg/l

Bradwell

Oxfordshire · 254 mg/l

Brize Norton

Oxfordshire · 254 mg/l

Broadwell

Oxfordshire · 254 mg/l

Broughton Poggs

Oxfordshire · 254 mg/l

Clanfield

Oxfordshire · 254 mg/l

Filkins

Oxfordshire · 254 mg/l

Fulbrook

Oxfordshire · 254 mg/l

Kencot

Oxfordshire · 254 mg/l

Langford

Oxfordshire · 254 mg/l

Little Faringdon

Oxfordshire · 254 mg/l

Shilton

Oxfordshire · 254 mg/l

Swinbrook

Oxfordshire · 254 mg/l

Church End

Oxfordshire · 254 mg/l

Hensington

Oxfordshire · 254 mg/l

Old Woodstock

Oxfordshire · 254 mg/l

Westhall Hill

Oxfordshire · 254 mg/l

Sunbury-on-Thames

Surrey · 253 mg/l

Ashford Common

Surrey · 253 mg/l

Charlton

Surrey · 253 mg/l

Littleton Common

Surrey · 253 mg/l

Felthamhill

Surrey · 253 mg/l

Kempton Park

Surrey · 253 mg/l

Sunbury Common

Surrey · 253 mg/l

Faringdon

Oxfordshire · 252 mg/l

Esher

Surrey · 251 mg/l

Witney

Oxfordshire · 251 mg/l

Aston

Oxfordshire · 251 mg/l

Brighthampton

Oxfordshire · 251 mg/l

Claygate

Surrey · 251 mg/l

Cote

Oxfordshire · 251 mg/l

Crawley

Oxfordshire · 251 mg/l

Curbridge

Oxfordshire · 251 mg/l

Delly End

Oxfordshire · 251 mg/l

Downside

Surrey · 251 mg/l

Ducklington

Oxfordshire · 251 mg/l

Effingham

Surrey · 251 mg/l

Finstock

Oxfordshire · 251 mg/l

Hailey

Oxfordshire · 251 mg/l

Hersham

Surrey · 251 mg/l

Hinchley Wood

Surrey · 251 mg/l

Leafield

Oxfordshire · 251 mg/l

Little Bookham

Surrey · 251 mg/l

Minster Lovell

Oxfordshire · 251 mg/l

New Yatt

Oxfordshire · 251 mg/l

North Leigh

Oxfordshire · 251 mg/l

Poffley End

Oxfordshire · 251 mg/l

Ramsden

Oxfordshire · 251 mg/l

South Leigh

Oxfordshire · 251 mg/l

Standlake

Oxfordshire · 251 mg/l

Stoke D'Abernon

Surrey · 251 mg/l

Cogges

Oxfordshire · 251 mg/l

Effingham Common

Surrey · 251 mg/l

Fairmile

Surrey · 251 mg/l

Little Minster

Oxfordshire · 251 mg/l

Lower Green

Surrey · 251 mg/l

Newland

Oxfordshire · 251 mg/l

West End

Surrey · 251 mg/l

Woodgreen

Oxfordshire · 251 mg/l

Cobham

Surrey · 251 mg/l

Isle of Wight

Surrey · 251 mg/l

Oxshott

Surrey · 251 mg/l

Shifford

Oxfordshire · 251 mg/l

Bicester

Oxfordshire · 249 mg/l

Bicester Village

Oxfordshire · 249 mg/l

Bure Park

Oxfordshire · 249 mg/l

Greenwood

Oxfordshire · 249 mg/l

Highfield

Oxfordshire · 249 mg/l

King's End

Oxfordshire · 249 mg/l

Langford Village

Oxfordshire · 249 mg/l

Mount Pleasant

Buckinghamshire · 249 mg/l

Woodfield

Oxfordshire · 249 mg/l

Banbury

Oxfordshire · 248 mg/l

Calthorpe

Oxfordshire · 248 mg/l

Easington

Oxfordshire · 248 mg/l

Grimsbury

Oxfordshire · 248 mg/l

Hardwick

Oxfordshire · 248 mg/l

Neithrop

Oxfordshire · 248 mg/l

Ruscote

Oxfordshire · 248 mg/l

Appleton

Oxfordshire · 246 mg/l

Boars Hill

Oxfordshire · 246 mg/l

Cassington

Oxfordshire · 246 mg/l

Chawley

Oxfordshire · 246 mg/l

Cumnor

Oxfordshire · 246 mg/l

Eynsham

Oxfordshire · 246 mg/l

Farmoor

Oxfordshire · 246 mg/l

Henwood

Oxfordshire · 246 mg/l

Northmoor

Oxfordshire · 246 mg/l

South Hinksey

Oxfordshire · 246 mg/l

Stanton Harcourt

Oxfordshire · 246 mg/l

Sutton

Oxfordshire · 246 mg/l

Wytham

Oxfordshire · 246 mg/l

Botley

Oxfordshire · 246 mg/l

Cumnor Hill

Oxfordshire · 246 mg/l

Dean Court

Oxfordshire · 246 mg/l

Harcourt Hill

Oxfordshire · 246 mg/l

Jericho

Oxfordshire · 246 mg/l

New Botley

Oxfordshire · 246 mg/l

New Osney

Oxfordshire · 246 mg/l

North Hinksey Village

Oxfordshire · 246 mg/l

Osney

Oxfordshire · 246 mg/l

Guildford

Surrey · 206 mg/l

Albury

Surrey · 206 mg/l

Artington

Surrey · 206 mg/l

Blackheath

Surrey · 206 mg/l

Chilworth

Surrey · 206 mg/l

Shalford

Surrey · 206 mg/l

Shere

Surrey · 206 mg/l

Abbotswood

Surrey · 206 mg/l

Bellfields

Surrey · 206 mg/l

Bushy Hill

Surrey · 206 mg/l

Merrow

Surrey · 206 mg/l

Aldershot

Hampshire · 197 mg/l

Moderately Hard

Farnham

Surrey · 197 mg/l

Moderately Hard

Dunsfold

Surrey · 152 mg/l

Moderately Hard

Wormley

Surrey · 143 mg/l

Godalming

Surrey · 136 mg/l

Binscombe

Surrey · 136 mg/l

Bramley

Surrey · 136 mg/l

Broadford

Surrey · 136 mg/l

Busbridge

Surrey · 136 mg/l

Farncombe

Surrey · 136 mg/l

Milford

Surrey · 136 mg/l

Mousehill

Surrey · 136 mg/l

Norney

Surrey · 136 mg/l

Peasmarsh

Surrey · 136 mg/l

Peper Harow

Surrey · 136 mg/l

Thorncombe Street

Surrey · 136 mg/l

Upper Eashing

Surrey · 136 mg/l

Wonersh

Surrey · 136 mg/l

Aaron's Hill

Surrey · 136 mg/l

Catteshall

Surrey · 136 mg/l

Crownpits

Surrey · 136 mg/l

Frith Hill

Surrey · 136 mg/l

Holloway Hill

Surrey · 136 mg/l

Ockford Ridge

Surrey · 136 mg/l

Westbrook

Surrey · 136 mg/l

Lydd

Kent · 108 mg/l

New Romney

Kent · 108 mg/l

Bordon

Hampshire · 94 mg/l

Moderately Soft

Haslemere

Surrey · 94 mg/l

Moderately Soft

Midhurst

West Sussex · 94 mg/l

Moderately Soft

Petworth

West Sussex · 94 mg/l

Moderately Soft

Horsham

West Sussex · 76 mg/l

Moderately Soft

West Midlands

Avg: 255 mg/l · Hard

Stratford-on-Avon Zone 12

Warwickshire · 438 mg/l

Stratford-on-Avon Zone 14

Warwickshire · 433.3 mg/l

Shropshire Zone 4

Shropshire · 421 mg/l

Sedgley

Dudley · 398.9 mg/l

Bobbington

Staffordshire · 398.9 mg/l

Claverley

Shropshire · 398.9 mg/l

Gospel End

Staffordshire · 398.9 mg/l

Himley

Staffordshire · 398.9 mg/l

Seisdon

Staffordshire · 398.9 mg/l

Smestow

Staffordshire · 398.9 mg/l

Stanmore

Shropshire · 398.9 mg/l

Swindon

Staffordshire · 398.9 mg/l

Trysull

Staffordshire · 398.9 mg/l

Wyken

Shropshire · 398.9 mg/l

Blakeley

Staffordshire · 398.9 mg/l

Brickbridge

Staffordshire · 398.9 mg/l

Cinder Hill

City of Wolverhampton · 398.9 mg/l

Deepfields

City of Wolverhampton · 398.9 mg/l

Ettingshall Park

City of Wolverhampton · 398.9 mg/l

Giggetty

Staffordshire · 398.9 mg/l

Greenleighs

Dudley · 398.9 mg/l

Hurst Hill

Dudley · 398.9 mg/l

Ladymoor

City of Wolverhampton · 398.9 mg/l

Lanesfield

City of Wolverhampton · 398.9 mg/l

Ounsdale

Staffordshire · 398.9 mg/l

Spring Hill

Staffordshire · 398.9 mg/l

Spring Vale

City of Wolverhampton · 398.9 mg/l

The Bratch

Staffordshire · 398.9 mg/l

The Straits

Dudley · 398.9 mg/l

Woodcross

City of Wolverhampton · 398.9 mg/l

Woodsetton

Dudley · 398.9 mg/l

Telford and Wrekin Zone 25

Shropshire · 384.3 mg/l

Shropshire Zone 35

Shropshire · 383.7 mg/l

Shropshire Zone 17

Shropshire · 382.8 mg/l

Stratford-upon-Avon

Warwickshire · 377.8 mg/l

Alderminster

Warwickshire · 377.8 mg/l

Ardens Grafton

Warwickshire · 377.8 mg/l

Armscote

Warwickshire · 377.8 mg/l

Atherstone on Stour

Warwickshire · 377.8 mg/l

Bidford-on-Avon

Warwickshire · 377.8 mg/l

Binton

Warwickshire · 377.8 mg/l

Blackwell

Warwickshire · 377.8 mg/l

Broom

Warwickshire · 377.8 mg/l

Butlers Marston

Warwickshire · 377.8 mg/l

Clifford Chambers

Warwickshire · 377.8 mg/l

Combrook

Warwickshire · 377.8 mg/l

Darlingscott

Warwickshire · 377.8 mg/l

Ettington

Warwickshire · 377.8 mg/l

Exhall

Warwickshire · 377.8 mg/l

Goldicote

Warwickshire · 377.8 mg/l

Halford

Warwickshire · 377.8 mg/l

Honington

Warwickshire · 377.8 mg/l

Idlicote

Warwickshire · 377.8 mg/l

Ilmington

Warwickshire · 377.8 mg/l

Kineton

Warwickshire · 377.8 mg/l

Lighthorne

Warwickshire · 377.8 mg/l

Lighthorne Heath

Warwickshire · 377.8 mg/l

Little Kineton

Warwickshire · 377.8 mg/l

Long Marston

Warwickshire · 377.8 mg/l

Lower Quinton

Warwickshire · 377.8 mg/l

Loxley

Warwickshire · 377.8 mg/l

Luddington

Warwickshire · 377.8 mg/l

Meon Vale

Warwickshire · 377.8 mg/l

Moreton Morrell

Warwickshire · 377.8 mg/l

Moreton Paddox

Warwickshire · 377.8 mg/l

Newbold-on-Stour

Warwickshire · 377.8 mg/l

Oxhill

Warwickshire · 377.8 mg/l

Pebworth

Worcestershire · 377.8 mg/l

Pillerton Hersey

Warwickshire · 377.8 mg/l

Pillerton Priors

Warwickshire · 377.8 mg/l

Preston on Stour

Warwickshire · 377.8 mg/l

Temple Grafton

Warwickshire · 377.8 mg/l

Tiddington

Warwickshire · 377.8 mg/l

Tredington

Warwickshire · 377.8 mg/l

Upper Quinton

Warwickshire · 377.8 mg/l

Welford-on-Avon

Warwickshire · 377.8 mg/l

Wellesbourne

Warwickshire · 377.8 mg/l

Weston-on-Avon

Warwickshire · 377.8 mg/l

Whatcote

Warwickshire · 377.8 mg/l

Wixford

Warwickshire · 377.8 mg/l

Bridge Town

Warwickshire · 377.8 mg/l

Clopton

Warwickshire · 377.8 mg/l

North End

Warwickshire · 377.8 mg/l

Old Town

Warwickshire · 377.8 mg/l

Shottery

Warwickshire · 377.8 mg/l

Shropshire Zone 31

Shropshire · 372.2 mg/l

Broseley

Shropshire · 364 mg/l

Much Wenlock

Shropshire · 364 mg/l

Telford

Telford and Wrekin · 364 mg/l

Shropshire Zone 38

Shropshire · 337.6 mg/l

Earl's Croome

Worcestershire · 336.4 mg/l

Gilbert's End

Worcestershire · 336.4 mg/l

Hanley Castle

Worcestershire · 336.4 mg/l

Hanley Swan

Worcestershire · 336.4 mg/l

Hook Bank

Worcestershire · 336.4 mg/l

Malvern Wells

Worcestershire · 336.4 mg/l

Ryall

Worcestershire · 336.4 mg/l

The Grove

Worcestershire · 336.4 mg/l

Upton upon Severn

Worcestershire · 336.4 mg/l

Tunnel Hill

Worcestershire · 336.4 mg/l

Shrewsbury

Shropshire · 330.7 mg/l

Warwick

Warwickshire · 328.8 mg/l

Shropshire Zone 15

Shropshire · 323.4 mg/l

Newport

Telford and Wrekin · 322.6 mg/l

Bilston

City of Wolverhampton · 321.3 mg/l

Willenhall

Walsall · 321.3 mg/l

Shropshire Zone 11

Shropshire · 320.6 mg/l

Shropshire Zone 12

Shropshire · 320.6 mg/l

Shropshire Zone 5

Shropshire · 317.1 mg/l

Shropshire Zone 29

Shropshire · 315.8 mg/l

Church Stretton

Shropshire · 311.8 mg/l

All Stretton

Shropshire · 311.8 mg/l

Aston Munslow

Shropshire · 311.8 mg/l

Brockton

Shropshire · 311.8 mg/l

Bushmoor

Shropshire · 311.8 mg/l

Cardington

Shropshire · 311.8 mg/l

Corfton

Shropshire · 311.8 mg/l

Diddlebury

Shropshire · 311.8 mg/l

Ditton Priors

Shropshire · 311.8 mg/l

Easthope

Shropshire · 311.8 mg/l

Hope Bowdler

Shropshire · 311.8 mg/l

Little Stretton

Shropshire · 311.8 mg/l

Longville in the Dale

Shropshire · 311.8 mg/l

Monkhopton

Shropshire · 311.8 mg/l

Munslow

Shropshire · 311.8 mg/l

Seifton

Shropshire · 311.8 mg/l

Wall under Heywood

Shropshire · 311.8 mg/l

Wentnor

Shropshire · 311.8 mg/l

Wistanstow

Shropshire · 311.8 mg/l

Ashbrook

Shropshire · 311.8 mg/l

Battle Field

Shropshire · 311.8 mg/l

Cunnery

Shropshire · 311.8 mg/l

Hazler

Shropshire · 311.8 mg/l

Worldsend

Shropshire · 311.8 mg/l

Stratford-on-Avon Zone 15

Warwickshire · 309.1 mg/l

Hilton

Shropshire · 307.8 mg/l

Worfield

Shropshire · 307.8 mg/l

Ettingshall

City of Wolverhampton · 307.8 mg/l

Bedworth

Warwickshire · 305.8 mg/l

Allesley

Coventry · 301.1 mg/l

Edgwick

Coventry · 301.1 mg/l

Henley Green

Coventry · 301.1 mg/l

Sutton

Staffordshire · 299.8 mg/l

Baswich

Staffordshire · 299.8 mg/l

Forebridge

Staffordshire · 299.8 mg/l

Rowley Park

Staffordshire · 299.8 mg/l

Oulton

Staffordshire · 299.8 mg/l

Leebotwood

Shropshire · 298.3 mg/l

Smethcott

Shropshire · 298.3 mg/l

Stiperstones

Shropshire · 298.3 mg/l

Pennerley

Shropshire · 298.3 mg/l

Coventry Zone 34

West Midlands · 297.8 mg/l

Southam

Warwickshire · 297.5 mg/l

Coleshill

Warwickshire · 297.1 mg/l

Ansley

Warwickshire · 297.1 mg/l

Curdworth

Warwickshire · 297.1 mg/l

Devitts Green

Warwickshire · 297.1 mg/l

Fillongley

Warwickshire · 297.1 mg/l

Furnace End

Warwickshire · 297.1 mg/l

Hill Top

Warwickshire · 297.1 mg/l

Hoggrill's End

Warwickshire · 297.1 mg/l

Lea Marston

Warwickshire · 297.1 mg/l

Nether Whitacre

Warwickshire · 297.1 mg/l

New Arley

Warwickshire · 297.1 mg/l

Old Arley

Warwickshire · 297.1 mg/l

Over Whitacre

Warwickshire · 297.1 mg/l

Shustoke

Warwickshire · 297.1 mg/l

Water Orton

Warwickshire · 297.1 mg/l

Whitacre Heath

Warwickshire · 297.1 mg/l

Wood End

Warwickshire · 297.1 mg/l

Church End

Warwickshire · 297.1 mg/l

Church End

Warwickshire · 297.1 mg/l

Galley Common

Warwickshire · 297.1 mg/l

Rugby

Warwickshire · 296.9 mg/l

Bretford

Warwickshire · 296.9 mg/l

Brinklow

Warwickshire · 296.9 mg/l

Church Lawford

Warwickshire · 296.9 mg/l

Churchover

Warwickshire · 296.9 mg/l

Clifton upon Dunsmore

Warwickshire · 296.9 mg/l

Easenhall

Warwickshire · 296.9 mg/l

Harborough Magna

Warwickshire · 296.9 mg/l

Long Lawford

Warwickshire · 296.9 mg/l

Monks Kirby

Warwickshire · 296.9 mg/l

Newton

Warwickshire · 296.9 mg/l

Pailton

Warwickshire · 296.9 mg/l

Stretton under Fosse

Warwickshire · 296.9 mg/l

Willey

Warwickshire · 296.9 mg/l

Brownsover

Warwickshire · 296.9 mg/l

New Bilton

Warwickshire · 296.9 mg/l

Newbold on Avon

Warwickshire · 296.9 mg/l

Over Green

Warwickshire · 295.2 mg/l

Great Malvern

Worcestershire · 295.1 mg/l

Guarlford

Worcestershire · 295.1 mg/l

Madresfield

Worcestershire · 295.1 mg/l

Newland

Worcestershire · 295.1 mg/l

Severn Stoke

Worcestershire · 295.1 mg/l

Barnard's Green

Worcestershire · 295.1 mg/l

Link Top

Worcestershire · 295.1 mg/l

Lower Wyche

Worcestershire · 295.1 mg/l

Malvern Link

Worcestershire · 295.1 mg/l

Poolbrook

Worcestershire · 295.1 mg/l

Pound Bank

Worcestershire · 295.1 mg/l

Sherrard's Green

Worcestershire · 295.1 mg/l

Upper Wyche

Worcestershire · 295.1 mg/l

Eccleshall

Staffordshire · 292.7 mg/l

Stafford

Staffordshire · 292.7 mg/l

Cheddleton Heath

Staffordshire · 292.5 mg/l

Denford

Staffordshire · 292.5 mg/l

Grindon

Staffordshire · 292.5 mg/l

Leekbrook

Staffordshire · 292.5 mg/l

Endon Bank

Staffordshire · 292.5 mg/l

Shropshire Zone 2

Shropshire · 291.1 mg/l

Shropshire Zone 18

Shropshire · 290.5 mg/l

Ledbury

County of Herefordshire · 286.5 mg/l

Birts Street

Worcestershire · 286.5 mg/l

Castlemorton

Worcestershire · 286.5 mg/l

Colwall Stone

County of Herefordshire · 286.5 mg/l

Golden Valley

Worcestershire · 286.5 mg/l

Much Marcle

County of Herefordshire · 286.5 mg/l

Pendock

Worcestershire · 286.5 mg/l

Putley Green

County of Herefordshire · 286.5 mg/l

Rye Street

Worcestershire · 286.5 mg/l

Sledge Green

Worcestershire · 286.5 mg/l

Upper Welland

Worcestershire · 286.5 mg/l

Welland

Worcestershire · 286.5 mg/l

Wellington Heath

County of Herefordshire · 286.5 mg/l

Shropshire Zone 16

Shropshire · 286.4 mg/l

Stratford-on-Avon Zone 16

Warwickshire · 282.7 mg/l

Coundon

Coventry · 281.7 mg/l

Great Heath

Coventry · 281.7 mg/l

Radford

Coventry · 281.7 mg/l

Walsgrave on Sowe

Coventry · 281.7 mg/l

Wyken Green

Coventry · 281.7 mg/l

Coventry Zone 27

West Midlands · 278.7 mg/l

Ansley Common

Warwickshire · 277.5 mg/l

Fazeley

Staffordshire · 277.1 mg/l

Tamworth

Staffordshire · 277.1 mg/l

Brierley Hill

Dudley · 276.6 mg/l

Halesowen

Dudley · 276.6 mg/l

Stourbridge

Dudley · 276.6 mg/l

Clent

Worcestershire · 276.6 mg/l

Hunnington

Worcestershire · 276.6 mg/l

Lawns Wood

Staffordshire · 276.6 mg/l

Lower Clent

Worcestershire · 276.6 mg/l

New Wood

Staffordshire · 276.6 mg/l

Prestwood

Staffordshire · 276.6 mg/l

Romsley

Worcestershire · 276.6 mg/l

Stourton

Staffordshire · 276.6 mg/l

Amblecote

Dudley · 276.6 mg/l

Bowling Green

Dudley · 276.6 mg/l

Brockmoor

Dudley · 276.6 mg/l

Bromley

Dudley · 276.6 mg/l

Cradley

Dudley · 276.6 mg/l

Dudley Wood

Dudley · 276.6 mg/l

Hart's Hill

Dudley · 276.6 mg/l

Hasbury

Dudley · 276.6 mg/l

Hawne

Dudley · 276.6 mg/l

Hayley Green

Dudley · 276.6 mg/l

Lye

Dudley · 276.6 mg/l

Mushroom Green

Dudley · 276.6 mg/l

Norton

Dudley · 276.6 mg/l

Old Swinford

Dudley · 276.6 mg/l

Pedmore

Dudley · 276.6 mg/l

Quarry Bank

Dudley · 276.6 mg/l

Stambermill

Dudley · 276.6 mg/l

Withymoor Village

Dudley · 276.6 mg/l

Wollaston

Dudley · 276.6 mg/l

Wollescote

Dudley · 276.6 mg/l

Wordsley

Dudley · 276.6 mg/l

Shipston-on-Stour

Warwickshire · 276 mg/l

Frodesley

Shropshire · 271.6 mg/l

Staffordshire Moorlands Zone 5

Staffordshire · 269.8 mg/l

Penkridge

Staffordshire · 269.1 mg/l

Rugeley

Staffordshire · 269.1 mg/l

Blackfords

Staffordshire · 269.1 mg/l

Boscomoor

Staffordshire · 269.1 mg/l

Broomhill

Staffordshire · 269.1 mg/l

Burton Manor

Staffordshire · 269.1 mg/l

Chadsmoor

Staffordshire · 269.1 mg/l

Church Hill

Staffordshire · 269.1 mg/l

Etchinghill

Staffordshire · 269.1 mg/l

Hawks Green

Staffordshire · 269.1 mg/l

Hednesford

Staffordshire · 269.1 mg/l

High Town

Staffordshire · 269.1 mg/l

Hill Top

Staffordshire · 269.1 mg/l

Hillcroft Park

Staffordshire · 269.1 mg/l

Littleworth

Staffordshire · 269.1 mg/l

Moss Pit

Staffordshire · 269.1 mg/l

Newtown

Staffordshire · 269.1 mg/l

Oldfallow

Staffordshire · 269.1 mg/l

Pye Green

Staffordshire · 269.1 mg/l

Rickerscote

Staffordshire · 269.1 mg/l

Rising Brook

Staffordshire · 269.1 mg/l

Walton-on-the-Hill

Staffordshire · 269.1 mg/l

West Chadsmoor

Staffordshire · 269.1 mg/l

West Hill

Staffordshire · 269.1 mg/l

Wildwood

Staffordshire · 269.1 mg/l

Wimblebury

Staffordshire · 269.1 mg/l

Shropshire Zone 6

Shropshire · 268.9 mg/l

Malvern Hills Zone 11

Worcestershire · 267 mg/l

Church Fields

Staffordshire · 264.7 mg/l

Cross Heath

Staffordshire · 264.7 mg/l

Dimsdale

Staffordshire · 264.7 mg/l

Knutton

Staffordshire · 264.7 mg/l

Longbridge Hayes

Staffordshire · 264.7 mg/l

Porthill

Staffordshire · 264.7 mg/l

Newcastle-under-Lyme Zone 12

Staffordshire · 264.2 mg/l

Bourton

Shropshire · 263 mg/l

Bourton Westwood

Shropshire · 263 mg/l

Church Preen

Shropshire · 263 mg/l

Lawley

Shropshire · 263 mg/l

Presthope

Shropshire · 263 mg/l

Staffordshire Moorlands Zone 4

Staffordshire · 263 mg/l

Seabridge

Staffordshire · 261.6 mg/l

Upper Colwall

County of Herefordshire · 260.8 mg/l

Little Haywood

Staffordshire · 260.3 mg/l

Highfields

Staffordshire · 260.3 mg/l

Queensville

Staffordshire · 260.3 mg/l

Weeping Cross

Staffordshire · 260.3 mg/l

Western Downs

Staffordshire · 260.3 mg/l

Nuneaton

Warwickshire · 259.3 mg/l

Shropshire Zone 3

Shropshire · 256.5 mg/l

Shropshire Zone 32

Shropshire · 254.8 mg/l

Evesham

Worcestershire · 253 mg/l

Pershore

Worcestershire · 253 mg/l

Wolverhampton

City of Wolverhampton · 250.3 mg/l

Bloxwich

Walsall · 250.3 mg/l

Cannock

Staffordshire · 250.3 mg/l

Butterton

Staffordshire · 249.2 mg/l

Worcester

Worcestershire · 241.5 mg/l

Headley Heath

Worcestershire · 237.2 mg/l

Charford

Worcestershire · 229.7 mg/l

Withybrook

Warwickshire · 227.2 mg/l

Wolvey

Warwickshire · 227.2 mg/l

Wolvey Heath

Warwickshire · 227.2 mg/l

Coventry Zone 33

West Midlands · 226.3 mg/l

Bromyard

County of Herefordshire · 225.6 mg/l

Flaggoner's Green

County of Herefordshire · 225.6 mg/l

Lower Howsell

Worcestershire · 225.6 mg/l

North Malvern

Worcestershire · 225.6 mg/l

The Knapp

County of Herefordshire · 225.6 mg/l

Upper Howsell

Worcestershire · 225.6 mg/l

West Hill

County of Herefordshire · 225.6 mg/l

West Malvern

Worcestershire · 225.6 mg/l

Bewdley

Worcestershire · 225 mg/l

Kidderminster

Worcestershire · 225 mg/l

Stourport-on-Severn

Worcestershire · 225 mg/l

Cheddleton

Staffordshire · 224.8 mg/l

Alder Moor

Staffordshire · 224.4 mg/l

Rolleston on Dove

Staffordshire · 224.4 mg/l

Stretton

Staffordshire · 224.4 mg/l

Horninglow

Staffordshire · 224.4 mg/l

Winshill

Staffordshire · 224.4 mg/l

Longnor

Shropshire · 224.2 mg/l

Shropshire Zone 29

Shropshire · 221.7 mg/l

Malvern Hills Zone 14

Worcestershire · 219.3 mg/l

Kingswinford

Dudley · 217.9 mg/l

Hinksford

Staffordshire · 217.9 mg/l

Dibdale

Dudley · 217.9 mg/l

Gornalwood

Dudley · 217.9 mg/l

Holly Hall

Dudley · 217.9 mg/l

London Fields

Dudley · 217.9 mg/l

Lower Gornal

Dudley · 217.9 mg/l

Pensnett

Dudley · 217.9 mg/l

Ruiton

Dudley · 217.9 mg/l

Russell's Hall

Dudley · 217.9 mg/l

Scott's Green

Dudley · 217.9 mg/l

Springs Mire

Dudley · 217.9 mg/l

Wall Heath

Dudley · 217.9 mg/l

Woodside

Dudley · 217.9 mg/l

Tutnall

Worcestershire · 217.8 mg/l

Finstall

Worcestershire · 217.8 mg/l

Stoney Hill

Worcestershire · 217.8 mg/l

Stafford Zone 35

Staffordshire · 217.4 mg/l

Dudley Zone 21

West Midlands · 215.9 mg/l

Abbot's Salford

Warwickshire · 215.8 mg/l

Abbots Morton

Worcestershire · 215.8 mg/l

Atch Lench

Worcestershire · 215.8 mg/l

Bishampton

Worcestershire · 215.8 mg/l

Church Lench

Worcestershire · 215.8 mg/l

Cleeve Prior

Worcestershire · 215.8 mg/l

Drakes Broughton

Worcestershire · 215.8 mg/l

Dunnington

Warwickshire · 215.8 mg/l

Flyford Flavell

Worcestershire · 215.8 mg/l

Grafton Flyford

Worcestershire · 215.8 mg/l

Harvington

Worcestershire · 215.8 mg/l

Kington

Worcestershire · 215.8 mg/l

Lenchwick

Worcestershire · 215.8 mg/l

Lower Moor

Worcestershire · 215.8 mg/l

Marlcliff

Warwickshire · 215.8 mg/l

Middle Littleton

Worcestershire · 215.8 mg/l

Naunton Beauchamp

Worcestershire · 215.8 mg/l

North Littleton

Worcestershire · 215.8 mg/l

Norton

Worcestershire · 215.8 mg/l

Peopleton

Worcestershire · 215.8 mg/l

Pinvin

Worcestershire · 215.8 mg/l

Radford

Worcestershire · 215.8 mg/l

Rous Lench

Worcestershire · 215.8 mg/l

Salford Priors

Warwickshire · 215.8 mg/l

Throckmorton

Worcestershire · 215.8 mg/l

Upton Snodsbury

Worcestershire · 215.8 mg/l

Windmill Hill

Worcestershire · 215.8 mg/l

Wyre Piddle

Worcestershire · 215.8 mg/l

North Piddle

Worcestershire · 215.8 mg/l

Weethley Gate

Warwickshire · 215.8 mg/l

Bromsgrove Zone 7

Worcestershire · 215 mg/l

Coventry Zone 23

West Midlands · 206.6 mg/l

Alcester

Warwickshire · 205.9 mg/l

Henley-in-Arden

Warwickshire · 205.9 mg/l

Redditch

Worcestershire · 205.9 mg/l

Allesley Green

Coventry · 205.8 mg/l

Bishopgate Green

Coventry · 205.8 mg/l

Stoke Heath

Coventry · 205.8 mg/l

Upper Eastern Green

Coventry · 205.8 mg/l

Wyken

Coventry · 205.8 mg/l

Coventry

Coventry · 201.1 mg/l

Chapel Fields

Coventry · 201.1 mg/l

Church End

Coventry · 201.1 mg/l

Draper's Fields

Coventry · 201.1 mg/l

Gosford Green

Coventry · 201.1 mg/l

Hillfields

Coventry · 201.1 mg/l

Hockley

Coventry · 201.1 mg/l

Lime Tree Park

Coventry · 201.1 mg/l

Lower Eastern Green

Coventry · 201.1 mg/l

Middle Stoke

Coventry · 201.1 mg/l

Spon End

Coventry · 201.1 mg/l

Stoke

Coventry · 201.1 mg/l

Stoke Park

Coventry · 201.1 mg/l

Tile Hill

Coventry · 201.1 mg/l

Upper Stoke

Coventry · 201.1 mg/l

Whoberley

Coventry · 201.1 mg/l

Blackheath

Sandwell · 199.4 mg/l

Moderately Hard

Coseley

Dudley · 199.4 mg/l

Moderately Hard

Darlaston

Walsall · 199.4 mg/l

Moderately Hard

Dudley

Dudley · 199.4 mg/l

Moderately Hard

Oldbury

Sandwell · 199.4 mg/l

Moderately Hard

Rowley Regis

Sandwell · 199.4 mg/l

Moderately Hard

Tipton

Sandwell · 199.4 mg/l

Moderately Hard

Walsall

Walsall · 199.4 mg/l

Moderately Hard

Wednesbury

Sandwell · 199.4 mg/l

Moderately Hard

West Bromwich

Sandwell · 199.4 mg/l

Moderately Hard

Coventry Zone 5

West Midlands · 192.5 mg/l

Moderately Hard

Bromsgrove

Worcestershire · 192.4 mg/l

Moderately Hard

Alvechurch

Worcestershire · 192.4 mg/l

Moderately Hard

Barnt Green

Worcestershire · 192.4 mg/l

Moderately Hard

Belbroughton

Worcestershire · 192.4 mg/l

Moderately Hard

Bell Heath

Worcestershire · 192.4 mg/l

Moderately Hard

Blackwell

Worcestershire · 192.4 mg/l

Moderately Hard

Bournheath

Worcestershire · 192.4 mg/l

Moderately Hard

Burcot

Worcestershire · 192.4 mg/l

Moderately Hard

Catshill

Worcestershire · 192.4 mg/l

Moderately Hard

Dayhouse Bank

Worcestershire · 192.4 mg/l

Moderately Hard

Dodford

Worcestershire · 192.4 mg/l

Moderately Hard

Hopwood

Worcestershire · 192.4 mg/l

Moderately Hard

Kendal End

Worcestershire · 192.4 mg/l

Moderately Hard

Lickey

Worcestershire · 192.4 mg/l

Moderately Hard

Lickey End

Worcestershire · 192.4 mg/l

Moderately Hard

Linthurst

Worcestershire · 192.4 mg/l

Moderately Hard

Lower Marlbrook

Worcestershire · 192.4 mg/l

Moderately Hard

Lydiate Ash

Worcestershire · 192.4 mg/l

Moderately Hard

Stoneybridge

Worcestershire · 192.4 mg/l

Moderately Hard

Upper Marlbrook

Worcestershire · 192.4 mg/l

Moderately Hard

Wildmoor

Worcestershire · 192.4 mg/l

Moderately Hard

Frankley

Birmingham · 192.4 mg/l

Moderately Hard

Hawkesley

Birmingham · 192.4 mg/l

Moderately Hard

Longbridge

Birmingham · 192.4 mg/l

Moderately Hard

Rednal

Worcestershire · 192.4 mg/l

Moderately Hard

Rubery

Birmingham · 192.4 mg/l

Moderately Hard

Sidemoor

Worcestershire · 192.4 mg/l

Moderately Hard

Turves Green

Birmingham · 192.4 mg/l

Moderately Hard

West Heath

Birmingham · 192.4 mg/l

Moderately Hard

Kenilworth

Warwickshire · 190.3 mg/l

Moderately Hard

Royal Leamington Spa

Warwickshire · 190.3 mg/l

Moderately Hard

Whitnash

Warwickshire · 190.3 mg/l

Moderately Hard

Court House Green

Coventry · 188.3 mg/l

Moderately Hard

Mount Pleasant

Coventry · 188.3 mg/l

Moderately Hard

Paradise

Coventry · 188.3 mg/l

Moderately Hard

Binley Woods

Warwickshire · 182.5 mg/l

Moderately Hard

Carol Green

Solihull · 182.5 mg/l

Moderately Hard

Beechwood Gardens

Coventry · 182.5 mg/l

Moderately Hard

Binley

Coventry · 182.5 mg/l

Moderately Hard

Canley

Coventry · 182.5 mg/l

Moderately Hard

Canley Gardens

Coventry · 182.5 mg/l

Moderately Hard

Cheylesmore

Coventry · 182.5 mg/l

Moderately Hard

Earlsdon

Coventry · 182.5 mg/l

Moderately Hard

Lower Stoke

Coventry · 182.5 mg/l

Moderately Hard

Pinley

Coventry · 182.5 mg/l

Moderately Hard

Pinley Gardens

Coventry · 182.5 mg/l

Moderately Hard

Stivichall

Coventry · 182.5 mg/l

Moderately Hard

Stoke Aldermoor

Coventry · 182.5 mg/l

Moderately Hard

Westwood Gardens

Coventry · 182.5 mg/l

Moderately Hard

Whitley

Coventry · 182.5 mg/l

Moderately Hard

Willenhall

Coventry · 182.5 mg/l

Moderately Hard

Stone

Staffordshire · 180.5 mg/l

Moderately Hard

Llangrove

County of Herefordshire · 178 mg/l

Moderately Hard

Symonds Yat West

County of Herefordshire · 178 mg/l

Moderately Hard

Welsh Newton Common

County of Herefordshire · 178 mg/l

Moderately Hard

Leek

Staffordshire · 175.5 mg/l

Moderately Hard

Atherstone

Warwickshire · 173.8 mg/l

Moderately Hard

Madeley

Staffordshire · 161.5 mg/l

Moderately Hard

Keele

Staffordshire · 161.5 mg/l

Moderately Hard

Little Madeley

Staffordshire · 161.5 mg/l

Moderately Hard

Madeley Heath

Staffordshire · 161.5 mg/l

Moderately Hard

Middle Madeley

Staffordshire · 161.5 mg/l

Moderately Hard

Poolfields

Staffordshire · 161.5 mg/l

Moderately Hard

Silverdale

Staffordshire · 161.5 mg/l

Moderately Hard

Westlands

Staffordshire · 161.5 mg/l

Moderately Hard

Saw Pit Yard

Staffordshire · 161.5 mg/l

Moderately Hard

Bradnop

Staffordshire · 157 mg/l

Moderately Hard

Stoke-on-Trent

City of Stoke-on-Trent · 156.8 mg/l

Moderately Hard

Newcastle-under-Lyme

Staffordshire · 156.8 mg/l

Moderately Hard

Kidsgrove

Staffordshire · 155.8 mg/l

Moderately Hard

Acres Nook

Staffordshire · 155.8 mg/l

Moderately Hard

Beasley

Staffordshire · 155.8 mg/l

Moderately Hard

Bradwell

Staffordshire · 155.8 mg/l

Moderately Hard

Broad Meadow

Staffordshire · 155.8 mg/l

Moderately Hard

Butt Lane

Staffordshire · 155.8 mg/l

Moderately Hard

Chesterton

Staffordshire · 155.8 mg/l

Moderately Hard

Clough Hall

Staffordshire · 155.8 mg/l

Moderately Hard

Crackley

Staffordshire · 155.8 mg/l

Moderately Hard

Dove Bank

Staffordshire · 155.8 mg/l

Moderately Hard

Goldenhill

City of Stoke-on-Trent · 155.8 mg/l

Moderately Hard

Hollins

Staffordshire · 155.8 mg/l

Moderately Hard

Newfield

City of Stoke-on-Trent · 155.8 mg/l

Moderately Hard

Packmoor

City of Stoke-on-Trent · 155.8 mg/l

Moderately Hard

Red Street

Staffordshire · 155.8 mg/l

Moderately Hard

Sandyford

City of Stoke-on-Trent · 155.8 mg/l

Moderately Hard

Springwood

Staffordshire · 155.8 mg/l

Moderately Hard

The Quarry

Staffordshire · 155.8 mg/l

Moderately Hard

Tunstall

City of Stoke-on-Trent · 155.8 mg/l

Moderately Hard

Turnhurst

City of Stoke-on-Trent · 155.8 mg/l

Moderately Hard

Wereton

Staffordshire · 155.8 mg/l

Moderately Hard

Whitehill

Staffordshire · 155.8 mg/l

Moderately Hard

Woodshutts

Staffordshire · 155.8 mg/l

Moderately Hard

Staffordshire Moorlands Zone 32

Staffordshire · 155.1 mg/l

Moderately Hard

Cheadle

Staffordshire · 148.1 mg/l

Biddulph

Staffordshire · 132.2 mg/l

Aston New Town

Birmingham · 88.5 mg/l

Moderately Soft

Shropshire Zone 34

Shropshire · 83.1 mg/l

Moderately Soft

Solihull

Solihull · 81.8 mg/l

Moderately Soft

Birmingham Zone 13

West Midlands · 78.1 mg/l

Moderately Soft

Nechells

Birmingham · 75.3 mg/l

Moderately Soft

Soho

Sandwell · 75.3 mg/l

Moderately Soft

Birmingham Zone 25

West Midlands · 74.6 mg/l

Moderately Soft

Birmingham Zone 21

West Midlands · 74.4 mg/l

Moderately Soft

Birmingham Zone 15

West Midlands · 74.3 mg/l

Moderately Soft

Birmingham Zone 11

West Midlands · 74 mg/l

Moderately Soft

Droitwich Spa

Worcestershire · 73.9 mg/l

Moderately Soft

Birmingham Zone 8

West Midlands · 73.8 mg/l

Moderately Soft

Smethwick

Sandwell · 73.7 mg/l

Moderately Soft

Black Patch

Sandwell · 73.7 mg/l

Moderately Soft

Gib Heath

Birmingham · 73.7 mg/l

Moderately Soft

New Town Row

Birmingham · 73.7 mg/l

Moderately Soft

All Saints

Birmingham · 73.6 mg/l

Moderately Soft

Hockley

Birmingham · 73.6 mg/l

Moderately Soft

Aston

Birmingham · 73.5 mg/l

Moderately Soft

Sandwell

Sandwell · 73.5 mg/l

Moderately Soft

Birmingham Zone 22

West Midlands · 73.5 mg/l

Moderately Soft

Aldridge

Walsall · 73.4 mg/l

Moderately Soft

Royal Sutton Coldfield

Birmingham · 73.4 mg/l

Moderately Soft

Birmingham Zone 12

West Midlands · 73.4 mg/l

Moderately Soft

Winson Green

Birmingham · 73.3 mg/l

Moderately Soft

Birmingham Zone 5

West Midlands · 73.1 mg/l

Moderately Soft

Birmingham

Birmingham · 72.9 mg/l

Moderately Soft

Bearwood

Sandwell · 72.9 mg/l

Moderately Soft

Brookfields

Birmingham · 72.9 mg/l

Moderately Soft

California

Birmingham · 72.9 mg/l

Moderately Soft

Cape Hill

Sandwell · 72.9 mg/l

Moderately Soft

Harborne

Birmingham · 72.9 mg/l

Moderately Soft

Ladywood

Birmingham · 72.9 mg/l

Moderately Soft

Lee Bank

Birmingham · 72.9 mg/l

Moderately Soft

Rotton Park

Birmingham · 72.9 mg/l

Moderately Soft

Warley Woods

Sandwell · 72.9 mg/l

Moderately Soft

Woodgate Valley

Birmingham · 72.9 mg/l

Moderately Soft

Nechells Green

Birmingham · 72.7 mg/l

Moderately Soft

Merry Hill

Sandwell · 72.5 mg/l

Moderately Soft

Newtown

Birmingham · 72.5 mg/l

Moderately Soft

Birmingham Zone 23

West Midlands · 72.2 mg/l

Moderately Soft

Birmingham Zone 14

West Midlands · 72.1 mg/l

Moderately Soft

Townend

Staffordshire · 67.9 mg/l

Moderately Soft

South West

Avg: 252 mg/l · Hard

Lydney

Gloucestershire · 478.8 mg/l

Cinderford

Gloucestershire · 470.3 mg/l

Mitcheldean

Gloucestershire · 470.3 mg/l

Mickleton

Gloucestershire · 377.8 mg/l

Cranmore

Somerset · 331.2 mg/l

Corsham

Wiltshire · 319.3 mg/l

Acton Turville

South Gloucestershire · 319.3 mg/l

Ashley

Wiltshire · 319.3 mg/l

Bathampton

Bath and North East Somerset · 319.3 mg/l

Batheaston

Bath and North East Somerset · 319.3 mg/l

Bathford

Bath and North East Somerset · 319.3 mg/l

Biddestone

Wiltshire · 319.3 mg/l

Box

Wiltshire · 319.3 mg/l

Box Hill

Wiltshire · 319.3 mg/l

Burton

Wiltshire · 319.3 mg/l

Castle Combe

Wiltshire · 319.3 mg/l

Claverton

Bath and North East Somerset · 319.3 mg/l

Cold Ashton

South Gloucestershire · 319.3 mg/l

Colerne

Wiltshire · 319.3 mg/l

Doynton

South Gloucestershire · 319.3 mg/l

Dyrham

South Gloucestershire · 319.3 mg/l

Ford

Wiltshire · 319.3 mg/l

Hinton

South Gloucestershire · 319.3 mg/l

Kingsdown

Wiltshire · 319.3 mg/l

Littleton Drew

Wiltshire · 319.3 mg/l

Marshfield

South Gloucestershire · 319.3 mg/l

Monkton Farleigh

Wiltshire · 319.3 mg/l

Neston

Wiltshire · 319.3 mg/l

Nettleton

Wiltshire · 319.3 mg/l

North Wraxall

Wiltshire · 319.3 mg/l

Old Sodbury

South Gloucestershire · 319.3 mg/l

Parkfield

South Gloucestershire · 319.3 mg/l

Pucklechurch

South Gloucestershire · 319.3 mg/l

Rudloe

Wiltshire · 319.3 mg/l

Shortwood

South Gloucestershire · 319.3 mg/l

Siston

South Gloucestershire · 319.3 mg/l

South Wraxall

Wiltshire · 319.3 mg/l

Thickwood

Wiltshire · 319.3 mg/l

Tormarton

South Gloucestershire · 319.3 mg/l

Upper Castle Combe

Wiltshire · 319.3 mg/l

Upper Swainswick

Bath and North East Somerset · 319.3 mg/l

Wapley

South Gloucestershire · 319.3 mg/l

West Kington

Wiltshire · 319.3 mg/l

Wick

South Gloucestershire · 319.3 mg/l

Yatton Keynell

Wiltshire · 319.3 mg/l

Bailbrook

Bath and North East Somerset · 319.3 mg/l

Blackhorse

South Gloucestershire · 319.3 mg/l

Greenhill

Wiltshire · 319.3 mg/l

Lambridge

Bath and North East Somerset · 319.3 mg/l

Larkhall

Bath and North East Somerset · 319.3 mg/l

Lower Swainswick

Bath and North East Somerset · 319.3 mg/l

Northend

Bath and North East Somerset · 319.3 mg/l

Pickwick

Wiltshire · 319.3 mg/l

Westwells

Wiltshire · 319.3 mg/l

Cirencester

Gloucestershire · 307 mg/l

Coxley Wick

Somerset · 306.1 mg/l

Upper Coxley

Somerset · 306.1 mg/l

Darshill

Somerset · 306.1 mg/l

Marston Gate

Somerset · 305.4 mg/l

Cricklade

Wiltshire · 305 mg/l

Marlborough

Wiltshire · 302 mg/l

Bath

Bath and North East Somerset · 300.7 mg/l

Keynsham

Bath and North East Somerset · 300.7 mg/l

Dorchester

Dorset · 296.4 mg/l

Affpuddle

Dorset · 296.4 mg/l

Alton Pancras

Dorset · 296.4 mg/l

Ansty

Dorset · 296.4 mg/l

Bere Regis

Dorset · 296.4 mg/l

Blacknoll

Dorset · 296.4 mg/l

Bradford Peverell

Dorset · 296.4 mg/l

Briantspuddle

Dorset · 296.4 mg/l

Broadmayne

Dorset · 296.4 mg/l

Buckland Newton

Dorset · 296.4 mg/l

Cerne Abbas

Dorset · 296.4 mg/l

Charlton Down

Dorset · 296.4 mg/l

Charminster

Dorset · 296.4 mg/l

Cheselbourne

Dorset · 296.4 mg/l

Crossways

Dorset · 296.4 mg/l

Dewlish

Dorset · 296.4 mg/l

East Knighton

Dorset · 296.4 mg/l

Frampton

Dorset · 296.4 mg/l

Godmanstone

Dorset · 296.4 mg/l

Higher Ansty

Dorset · 296.4 mg/l

Higher Bockhampton

Dorset · 296.4 mg/l

Hilton

Dorset · 296.4 mg/l

Long Bredy

Dorset · 296.4 mg/l

Maiden Newton

Dorset · 296.4 mg/l

Mappowder

Dorset · 296.4 mg/l

Milborne St Andrew

Dorset · 296.4 mg/l

Milton Abbas

Dorset · 296.4 mg/l

Moreton

Dorset · 296.4 mg/l

Piddlehinton

Dorset · 296.4 mg/l

Piddletrenthide

Dorset · 296.4 mg/l

Plush

Dorset · 296.4 mg/l

Puddletown

Dorset · 296.4 mg/l

Stinsford

Dorset · 296.4 mg/l

Stratton

Dorset · 296.4 mg/l

Sydling St Nicholas

Dorset · 296.4 mg/l

Tincleton

Dorset · 296.4 mg/l

Tollerford

Dorset · 296.4 mg/l

Tolpuddle

Dorset · 296.4 mg/l

Warmwell

Dorset · 296.4 mg/l

West Knighton

Dorset · 296.4 mg/l

West Stafford

Dorset · 296.4 mg/l

White Lackington

Dorset · 296.4 mg/l

Winterborne St Martin

Dorset · 296.4 mg/l

Winterbourne Abbas

Dorset · 296.4 mg/l

Woolford's Water

Dorset · 296.4 mg/l

Braytown

Dorset · 296.4 mg/l

East Burton

Dorset · 296.4 mg/l

Poundbury

Dorset · 296.4 mg/l

Bournemouth

Bournemouth, Christchurch and Poole · 295.4 mg/l

Christchurch

Bournemouth, Christchurch and Poole · 295.4 mg/l

Ferndown

Dorset · 295.4 mg/l

Poole

Bournemouth, Christchurch and Poole · 295.4 mg/l

Wareham

Dorset · 295.4 mg/l

Wimborne Minster

Dorset · 295.4 mg/l

Salisbury

Wiltshire · 292.3 mg/l

Amesbury

Wiltshire · 292.3 mg/l

Wilton

Wiltshire · 292.3 mg/l

Dinder

Somerset · 291.3 mg/l

Dulcote

Somerset · 291.3 mg/l

Dursley

Gloucestershire · 290.3 mg/l

Minchinhampton

Gloucestershire · 290.3 mg/l

Nailsworth

Gloucestershire · 290.3 mg/l

Painswick

Gloucestershire · 290.3 mg/l

Stonehouse

Gloucestershire · 290.3 mg/l

Stroud

Gloucestershire · 290.3 mg/l

Tetbury

Gloucestershire · 290.3 mg/l

Wotton-under-Edge

Gloucestershire · 290.3 mg/l

Wells

Somerset · 290 mg/l

Binegar

Somerset · 290 mg/l

East Horrington

Somerset · 290 mg/l

Easton

Somerset · 290 mg/l

Gurney Slade

Somerset · 290 mg/l

Haybridge

Somerset · 290 mg/l

Oakhill

Somerset · 290 mg/l

Priddy

Somerset · 290 mg/l

South Horrington

Somerset · 290 mg/l

West Horrington

Somerset · 290 mg/l

Wookey

Somerset · 290 mg/l

Wookey Hole

Somerset · 290 mg/l

St Andrew

Somerset · 290 mg/l

East Water

Somerset · 290 mg/l

Haydon

Somerset · 290 mg/l

West End

Somerset · 290 mg/l

Shepton Mallet

Somerset · 288.5 mg/l

Cannard's Grave

Somerset · 288.5 mg/l

Coxley

Somerset · 288.5 mg/l

Doulting

Somerset · 288.5 mg/l

North Wootton

Somerset · 288.5 mg/l

Pilton

Somerset · 288.5 mg/l

West Pennard

Somerset · 288.5 mg/l

Charlton

Somerset · 288.5 mg/l

East Town

Somerset · 288.5 mg/l

Field

Somerset · 288.5 mg/l

Newtown

Somerset · 288.5 mg/l

West Shepton

Somerset · 288.5 mg/l

Barrow

Somerset · 288.5 mg/l

Edgarley

Somerset · 288.5 mg/l

Polsham

Somerset · 288.5 mg/l

Sticklynch

Somerset · 288.5 mg/l

Chantry

Somerset · 288.1 mg/l

Critchill

Somerset · 288.1 mg/l

Tadhill

Somerset · 288.1 mg/l

The Butts

Somerset · 288.1 mg/l

Royal Wootton Bassett

Wiltshire · 287 mg/l

Swindon

Swindon · 287 mg/l

Botloe's Green

Gloucestershire · 286.5 mg/l

Brand Green

Gloucestershire · 286.5 mg/l

Bromesberrow Heath

Gloucestershire · 286.5 mg/l

Dymock

Gloucestershire · 286.5 mg/l

Lowbands

Gloucestershire · 286.5 mg/l

Playley Green

Gloucestershire · 286.5 mg/l

Redmarley D'Abitot

Gloucestershire · 286.5 mg/l

The Scarr

Gloucestershire · 286.5 mg/l

Brockworth

Gloucestershire · 284.8 mg/l

Brookthorpe

Gloucestershire · 284.8 mg/l

Cranham

Gloucestershire · 284.8 mg/l

Edge

Gloucestershire · 284.8 mg/l

Epney

Gloucestershire · 284.8 mg/l

Farleys End

Gloucestershire · 284.8 mg/l

Hardwicke

Gloucestershire · 284.8 mg/l

Haresfield

Gloucestershire · 284.8 mg/l

Longney

Gloucestershire · 284.8 mg/l

Minsterworth

Gloucestershire · 284.8 mg/l

Moreton Valence

Gloucestershire · 284.8 mg/l

Northwood Green

Gloucestershire · 284.8 mg/l

Rodley

Gloucestershire · 284.8 mg/l

Saul

Gloucestershire · 284.8 mg/l

Sheepscombe

Gloucestershire · 284.8 mg/l

Stantway

Gloucestershire · 284.8 mg/l

Upper Framilode

Gloucestershire · 284.8 mg/l

Upton St Leonards

Gloucestershire · 284.8 mg/l

Whiteway

Gloucestershire · 284.8 mg/l

Abbeydale

Gloucestershire · 284.8 mg/l

Coney Hill

Gloucestershire · 284.8 mg/l

Green Street

Gloucestershire · 284.8 mg/l

Hempsted

Gloucestershire · 284.8 mg/l

Henley

Gloucestershire · 284.8 mg/l

Linden

Gloucestershire · 284.8 mg/l

Lower Tuffley

Gloucestershire · 284.8 mg/l

Matson

Gloucestershire · 284.8 mg/l

Paradise

Gloucestershire · 284.8 mg/l

Podsmead

Gloucestershire · 284.8 mg/l

Robinswood

Gloucestershire · 284.8 mg/l

Saintbridge

Gloucestershire · 284.8 mg/l

Tredworth

Gloucestershire · 284.8 mg/l

Tuffley

Gloucestershire · 284.8 mg/l

Watermead

Gloucestershire · 284.8 mg/l

Chickerell

Dorset · 284.5 mg/l

Fortuneswell

Dorset · 284.5 mg/l

Weymouth

Dorset · 284.5 mg/l

Abbotsbury

Dorset · 284.5 mg/l

Buckland Ripers

Dorset · 284.5 mg/l

Chaldon Herring

Dorset · 284.5 mg/l

Easton

Dorset · 284.5 mg/l

Grove

Dorset · 284.5 mg/l

Langton Herring

Dorset · 284.5 mg/l

Lulworth Cove

Dorset · 284.5 mg/l

Nunney

Somerset · 284.5 mg/l

Osmington

Dorset · 284.5 mg/l

Osmington Mills

Dorset · 284.5 mg/l

Owermoigne

Dorset · 284.5 mg/l

Portesham

Dorset · 284.5 mg/l

Southwell

Dorset · 284.5 mg/l

West Lulworth

Dorset · 284.5 mg/l

Weston

Dorset · 284.5 mg/l

Winfrith Newburgh

Dorset · 284.5 mg/l

Bowleaze

Dorset · 284.5 mg/l

Broadwey

Dorset · 284.5 mg/l

Castletown

Dorset · 284.5 mg/l

Charlestown

Dorset · 284.5 mg/l

Chiswell

Dorset · 284.5 mg/l

Lanehouse

Dorset · 284.5 mg/l

Littlemoor

Dorset · 284.5 mg/l

Melcombe Regis

Dorset · 284.5 mg/l

Nottington

Dorset · 284.5 mg/l

Overcombe

Dorset · 284.5 mg/l

Portland Port

Dorset · 284.5 mg/l

Preston

Dorset · 284.5 mg/l

Radipole

Dorset · 284.5 mg/l

Redlands

Dorset · 284.5 mg/l

Rodwell

Dorset · 284.5 mg/l

Southill

Dorset · 284.5 mg/l

Southlands

Dorset · 284.5 mg/l

Sutton Poyntz

Dorset · 284.5 mg/l

Upwey

Dorset · 284.5 mg/l

Westham

Dorset · 284.5 mg/l

Wyke Regis

Dorset · 284.5 mg/l

Northleach

Gloucestershire · 281.3 mg/l

Aldsworth

Gloucestershire · 281.3 mg/l

Bourton-on-the-Water

Gloucestershire · 281.3 mg/l

Clapton-on-the-Hill

Gloucestershire · 281.3 mg/l

Cold Aston

Gloucestershire · 281.3 mg/l

Farmington

Gloucestershire · 281.3 mg/l

Great Barrington

Gloucestershire · 281.3 mg/l

Great Rissington

Gloucestershire · 281.3 mg/l

Little Barrington

Gloucestershire · 281.3 mg/l

Little Rissington

Gloucestershire · 281.3 mg/l

Lower Slaughter

Gloucestershire · 281.3 mg/l

Notgrove

Gloucestershire · 281.3 mg/l

Sherborne

Gloucestershire · 281.3 mg/l

Turkdean

Gloucestershire · 281.3 mg/l

Upper Rissington

Gloucestershire · 281.3 mg/l

Upper Slaughter

Gloucestershire · 281.3 mg/l

Windrush

Gloucestershire · 281.3 mg/l

Winson

Gloucestershire · 281.3 mg/l

Wyck Rissington

Gloucestershire · 281.3 mg/l

Yanworth

Gloucestershire · 281.3 mg/l

Nethercote

Gloucestershire · 281.3 mg/l

Highworth

Swindon · 281 mg/l

Lechlade-on-Thames

Gloucestershire · 281 mg/l

Gloucester

Gloucestershire · 280.8 mg/l

Newent

Gloucestershire · 280.8 mg/l

Ashleworth

Gloucestershire · 280.8 mg/l

Birdwood

Gloucestershire · 280.8 mg/l

Bishop's Norton

Gloucestershire · 280.8 mg/l

Churcham

Gloucestershire · 280.8 mg/l

Churchdown

Gloucestershire · 280.8 mg/l

Down Hatherley

Gloucestershire · 280.8 mg/l

Hartpury

Gloucestershire · 280.8 mg/l

Highnam

Gloucestershire · 280.8 mg/l

Huntley

Gloucestershire · 280.8 mg/l

Innsworth

Gloucestershire · 280.8 mg/l

Little London

Gloucestershire · 280.8 mg/l

Longford

Gloucestershire · 280.8 mg/l

Maisemore

Gloucestershire · 280.8 mg/l

May Hill Village

Gloucestershire · 280.8 mg/l

Norton

Gloucestershire · 280.8 mg/l

Over

Gloucestershire · 280.8 mg/l

Sandhurst

Gloucestershire · 280.8 mg/l

Tibberton

Gloucestershire · 280.8 mg/l

Twigworth

Gloucestershire · 280.8 mg/l

Upleadon

Gloucestershire · 280.8 mg/l

Walham

Gloucestershire · 280.8 mg/l

Wallsworth

Gloucestershire · 280.8 mg/l

Barnwood

Gloucestershire · 280.8 mg/l

Barton

Gloucestershire · 280.8 mg/l

Elmbridge

Gloucestershire · 280.8 mg/l

High Orchard

Gloucestershire · 280.8 mg/l

Hucclecote

Gloucestershire · 280.8 mg/l

Kingsholm

Gloucestershire · 280.8 mg/l

Longlevens

Gloucestershire · 280.8 mg/l

Pool Meadow

Gloucestershire · 280.8 mg/l

St Paul's

Gloucestershire · 280.8 mg/l

The Island

Gloucestershire · 280.8 mg/l

Wotton

Gloucestershire · 280.8 mg/l

Andoversford

Gloucestershire · 279.8 mg/l

Badgeworth

Gloucestershire · 279.8 mg/l

Bentham

Gloucestershire · 279.8 mg/l

Birdlip

Gloucestershire · 279.8 mg/l

Brimpsfield

Gloucestershire · 279.8 mg/l

Coberley

Gloucestershire · 279.8 mg/l

Colesbourne

Gloucestershire · 279.8 mg/l

Compton Abdale

Gloucestershire · 279.8 mg/l

Cowley

Gloucestershire · 279.8 mg/l

Elkstone

Gloucestershire · 279.8 mg/l

Hazleton

Gloucestershire · 279.8 mg/l

Leckhampton Hill

Gloucestershire · 279.8 mg/l

Little Shurdington

Gloucestershire · 279.8 mg/l

Little Witcombe

Gloucestershire · 279.8 mg/l

Shipton

Gloucestershire · 279.8 mg/l

Shurdington

Gloucestershire · 279.8 mg/l

Withington

Gloucestershire · 279.8 mg/l

Pilley

Gloucestershire · 279.8 mg/l

Chatterley

Gloucestershire · 279.8 mg/l

Seven Springs

Gloucestershire · 279.8 mg/l

Woodbridge

Gloucestershire · 279.8 mg/l

Axminster

Devon · 278.6 mg/l

Chard

Somerset · 278.6 mg/l

Ilminster

Somerset · 278.6 mg/l

Axeford Estate

Somerset · 278.6 mg/l

Chard Junction

Somerset · 278.6 mg/l

Coombses

Somerset · 278.6 mg/l

Crimchard

Somerset · 278.6 mg/l

Furnham

Somerset · 278.6 mg/l

Holbear

Somerset · 278.6 mg/l

Holway

Dorset · 278.6 mg/l

Jocelyn Park

Somerset · 278.6 mg/l

Knott Oak

Somerset · 278.6 mg/l

Perry Street

Somerset · 278.6 mg/l

South Chard

Somerset · 278.6 mg/l

Townsend

Somerset · 278.6 mg/l

Townsend

Somerset · 278.6 mg/l

Bafford

Gloucestershire · 277.2 mg/l

Leckhampton

Gloucestershire · 277.2 mg/l

Little Herbert's

Gloucestershire · 277.2 mg/l

Sandy Lane

Gloucestershire · 277.2 mg/l

Bradford-on-Avon

Wiltshire · 276.8 mg/l

Devizes

Wiltshire · 276.8 mg/l

Melksham

Wiltshire · 276.8 mg/l

Trowbridge

Wiltshire · 276.8 mg/l

Warminster

Wiltshire · 276.8 mg/l

Westbury

Wiltshire · 276.8 mg/l

Chalford

Wiltshire · 276.8 mg/l

Ham Green

Wiltshire · 276.8 mg/l

Hilperton

Wiltshire · 276.8 mg/l

Hilperton Marsh

Wiltshire · 276.8 mg/l

Longfield

Wiltshire · 276.8 mg/l

Lower Studley

Wiltshire · 276.8 mg/l

Lower Westwood

Wiltshire · 276.8 mg/l

Melksham Forest

Wiltshire · 276.8 mg/l

Paxcroft Mead

Wiltshire · 276.8 mg/l

Stonebridge

Somerset · 276.8 mg/l

Stormore

Wiltshire · 276.8 mg/l

Studley Green

Wiltshire · 276.8 mg/l

The Ham

Wiltshire · 276.8 mg/l

Townsend

Wiltshire · 276.8 mg/l

Trowle Common

Wiltshire · 276.8 mg/l

Upper Studley

Wiltshire · 276.8 mg/l

Upper Westwood

Wiltshire · 276.8 mg/l

Westbury Leigh

Wiltshire · 276.8 mg/l

Woolley

Wiltshire · 276.8 mg/l

Moreton-in-Marsh

Gloucestershire · 276 mg/l

Stow-on-the-Wold

Gloucestershire · 276 mg/l

Gillingham

Dorset · 275.1 mg/l

Mere

Wiltshire · 275.1 mg/l

Shaftesbury

Dorset · 275.1 mg/l

Wincanton

Somerset · 275.1 mg/l

Alcester

Dorset · 275.1 mg/l

Bayford

Somerset · 275.1 mg/l

Cold Harbour

Dorset · 275.1 mg/l

East Compton

Dorset · 275.1 mg/l

Enmore Green

Dorset · 275.1 mg/l

Ham

Dorset · 275.1 mg/l

Henstridge Ash

Somerset · 275.1 mg/l

Ivy Mead

Wiltshire · 275.1 mg/l

Lodbourne

Dorset · 275.1 mg/l

Long Cross

Dorset · 275.1 mg/l

New Town

Dorset · 275.1 mg/l

Peacemarsh

Dorset · 275.1 mg/l

Pillwell

Dorset · 275.1 mg/l

Sem Hill

Wiltshire · 275.1 mg/l

Shadwell

Somerset · 275.1 mg/l

Southbrook

Wiltshire · 275.1 mg/l

St James

Dorset · 275.1 mg/l

The Causeway

Wiltshire · 275.1 mg/l

Town's End

Wiltshire · 275.1 mg/l

Towns End

Somerset · 275.1 mg/l

Tuckingmill

Wiltshire · 275.1 mg/l

Verrington

Somerset · 275.1 mg/l

Well Head

Wiltshire · 275.1 mg/l

Wyke

Dorset · 275.1 mg/l

Blunsdon St Andrew

Swindon · 275 mg/l

Broad Blunsdon

Swindon · 275 mg/l

Lydiard Millicent

Wiltshire · 275 mg/l

Stratton St Margaret

Swindon · 275 mg/l

Abbey Meads

Swindon · 275 mg/l

Ash Brake

Swindon · 275 mg/l

Gorse Hill

Swindon · 275 mg/l

Greenmeadow

Swindon · 275 mg/l

Groundwell

Swindon · 275 mg/l

Haydon Wick

Swindon · 275 mg/l

Hillmead

Swindon · 275 mg/l

Kingsdown

Swindon · 275 mg/l

Lower Village

Swindon · 275 mg/l

Middleleaze

Wiltshire · 275 mg/l

Moredon

Swindon · 275 mg/l

Penhill

Swindon · 275 mg/l

Pinehurst

Swindon · 275 mg/l

Ramleaze

Swindon · 275 mg/l

Rivermead

Swindon · 275 mg/l

Rodbourne

Swindon · 275 mg/l

Roughmoor

Swindon · 275 mg/l

St Andrews Ridge

Swindon · 275 mg/l

Upper Stratton

Swindon · 275 mg/l

Walcot East

Swindon · 275 mg/l

Westmead

Swindon · 275 mg/l

Wild Duck Mead

Swindon · 275 mg/l

Swanage

Dorset · 274.4 mg/l

Acton

Dorset · 274.4 mg/l

Church Knowle

Dorset · 274.4 mg/l

Corfe Castle

Dorset · 274.4 mg/l

Glebeland Estate

Dorset · 274.4 mg/l

Harman's Cross

Dorset · 274.4 mg/l

Kimmeridge

Dorset · 274.4 mg/l

Kingston

Dorset · 274.4 mg/l

Langton Matravers

Dorset · 274.4 mg/l

Stoborough Green

Dorset · 274.4 mg/l

Studland

Dorset · 274.4 mg/l

Worth Matravers

Dorset · 274.4 mg/l

Coombe

Dorset · 274.4 mg/l

Durlston

Dorset · 274.4 mg/l

Herston

Dorset · 274.4 mg/l

Mount Pleasant

Dorset · 274.4 mg/l

New Swanage

Dorset · 274.4 mg/l

Cocknowle

Dorset · 274.4 mg/l

Creech

Dorset · 274.4 mg/l

Croscombe

Somerset · 272.9 mg/l

Bowlish

Somerset · 272.9 mg/l

Downside

Somerset · 267.3 mg/l

Cheltenham

Gloucestershire · 265.8 mg/l

Winchcombe

Gloucestershire · 265.8 mg/l

Fairford

Gloucestershire · 265.5 mg/l

Ablington

Gloucestershire · 265.5 mg/l

Arlington

Gloucestershire · 265.5 mg/l

Bibury

Gloucestershire · 265.5 mg/l

Coln St Aldwyns

Gloucestershire · 265.5 mg/l

Eastleach Martin

Gloucestershire · 265.5 mg/l

Eastleach Turville

Gloucestershire · 265.5 mg/l

Hatherop

Gloucestershire · 265.5 mg/l

Horcott

Gloucestershire · 265.5 mg/l

Quenington

Gloucestershire · 265.5 mg/l

Ready Token

Gloucestershire · 265.5 mg/l

Southrop

Gloucestershire · 265.5 mg/l

East End

Gloucestershire · 265.5 mg/l

Milton End

Gloucestershire · 265.5 mg/l

South Marston

Swindon · 263 mg/l

Covingham

Swindon · 263 mg/l

Dorcan

Swindon · 263 mg/l

Eldene

Swindon · 263 mg/l

Horpit

Swindon · 263 mg/l

Lower Stratton

Swindon · 263 mg/l

Lower Wanborough

Swindon · 263 mg/l

Nythe

Swindon · 263 mg/l

Park North

Swindon · 263 mg/l

Upper Wanborough

Swindon · 263 mg/l

Tewkesbury

Gloucestershire · 256.4 mg/l

Clements End

Gloucestershire · 242.2 mg/l

Coleford

Gloucestershire · 178 mg/l

Moderately Hard

Berry Hill

Gloucestershire · 178 mg/l

Moderately Hard

Broadwell

Gloucestershire · 178 mg/l

Moderately Hard

Clearwell

Gloucestershire · 178 mg/l

Moderately Hard

Coalway

Gloucestershire · 178 mg/l

Moderately Hard

Ellwood

Gloucestershire · 178 mg/l

Moderately Hard

Lower Redbrook

Gloucestershire · 178 mg/l

Moderately Hard

Marsh Lane

Gloucestershire · 178 mg/l

Moderately Hard

Mile End

Gloucestershire · 178 mg/l

Moderately Hard

Milkwall

Gloucestershire · 178 mg/l

Moderately Hard

Newland

Gloucestershire · 178 mg/l

Moderately Hard

Sling

Gloucestershire · 178 mg/l

Moderately Hard

Staunton

Gloucestershire · 178 mg/l

Moderately Hard

Bakers Hill

Gloucestershire · 178 mg/l

Moderately Hard

Christchurch

Gloucestershire · 178 mg/l

Moderately Hard

Five Acres

Gloucestershire · 178 mg/l

Moderately Hard

High Nash

Gloucestershire · 178 mg/l

Moderately Hard

Joyford

Gloucestershire · 178 mg/l

Moderately Hard

Lower Berry Hill

Gloucestershire · 178 mg/l

Moderately Hard

Palmers Flat

Gloucestershire · 178 mg/l

Moderately Hard

Poolway

Gloucestershire · 178 mg/l

Moderately Hard

Beaminster

Dorset · 172.4 mg/l

Moderately Hard

Crewkerne

Somerset · 172.4 mg/l

Moderately Hard

Sherborne

Dorset · 172.4 mg/l

Moderately Hard

South Petherton

Somerset · 172.4 mg/l

Moderately Hard

Yeovil

Somerset · 172.4 mg/l

Moderately Hard

Yorkley

Gloucestershire · 164.6 mg/l

Moderately Hard

Bruton

Somerset · 123.5 mg/l

Castle Cary

Somerset · 123.5 mg/l

Alford

Somerset · 123.5 mg/l

Alhampton

Somerset · 123.5 mg/l

Baltonsborough

Somerset · 123.5 mg/l

Batcombe

Somerset · 123.5 mg/l

Bratton Seymour

Somerset · 123.5 mg/l

Ditcheat

Somerset · 123.5 mg/l

East Lydford

Somerset · 123.5 mg/l

Evercreech

Somerset · 123.5 mg/l

Galhampton

Somerset · 123.5 mg/l

Ham Street

Somerset · 123.5 mg/l

Hardway

Somerset · 123.5 mg/l

Lamyatt

Somerset · 123.5 mg/l

Lovington

Somerset · 123.5 mg/l

Lydford-on-Fosse

Somerset · 123.5 mg/l

North Barrow

Somerset · 123.5 mg/l

North Brewham

Somerset · 123.5 mg/l

North Cadbury

Somerset · 123.5 mg/l

Prestleigh

Somerset · 123.5 mg/l

Redlynch

Somerset · 123.5 mg/l

Shepton Montague

Somerset · 123.5 mg/l

South Brewham

Somerset · 123.5 mg/l

Stoney Stratton

Somerset · 123.5 mg/l

Street on the Fosse

Somerset · 123.5 mg/l

Upton Noble

Somerset · 123.5 mg/l

Wanstrow

Somerset · 123.5 mg/l

West Lydford

Somerset · 123.5 mg/l

Witham Friary

Somerset · 123.5 mg/l

Wraxall

Somerset · 123.5 mg/l

Yarlington

Somerset · 123.5 mg/l

Ansford

Somerset · 123.5 mg/l

Cole

Somerset · 123.5 mg/l

Higher Shepton

Somerset · 123.5 mg/l

Lower Shepton

Somerset · 123.5 mg/l

Pitcombe

Somerset · 123.5 mg/l

South Cary

Somerset · 123.5 mg/l

Tolbury

Somerset · 123.5 mg/l

Welham

Somerset · 123.5 mg/l

Frome

Somerset · 87.4 mg/l

Moderately Soft

Midsomer Norton

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Radstock

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Bishop Sutton

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Buckland Dinham

Somerset · 87.4 mg/l

Moderately Soft

Chewton Mendip

Somerset · 87.4 mg/l

Moderately Soft

Chilcompton

Somerset · 87.4 mg/l

Moderately Soft

Clapton

Somerset · 87.4 mg/l

Moderately Soft

Clutton

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Coleford

Somerset · 87.4 mg/l

Moderately Soft

East Harptree

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Farrington Gurney

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Great Elm

Somerset · 87.4 mg/l

Moderately Soft

Hallatrow

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Haydon

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

High Littleton

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Hinton Blewett

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Holcombe

Somerset · 87.4 mg/l

Moderately Soft

Kilmersdon

Somerset · 87.4 mg/l

Moderately Soft

Leigh upon Mendip

Somerset · 87.4 mg/l

Moderately Soft

Litton

Somerset · 87.4 mg/l

Moderately Soft

Mells

Somerset · 87.4 mg/l

Moderately Soft

Paulton

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Ston Easton

Somerset · 87.4 mg/l

Moderately Soft

Stratton-on-the-Fosse

Somerset · 87.4 mg/l

Moderately Soft

Temple Cloud

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

West Harptree

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Belle Vue

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Clandown

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Cottle's Oak

Somerset · 87.4 mg/l

Moderately Soft

Easthill

Somerset · 87.4 mg/l

Moderately Soft

Edford

Somerset · 87.4 mg/l

Moderately Soft

Fox Hills

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Greenhill

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Hayes Park

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Highbury

Somerset · 87.4 mg/l

Moderately Soft

Hillside

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Monger

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Northfield

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Norton Hill

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Providence Place

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Riverside

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Rotcombe

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Southfield

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Spring Gardens

Somerset · 87.4 mg/l

Moderately Soft

Thicket Mead

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Town's End

Somerset · 87.4 mg/l

Moderately Soft

Townsend

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Tyning

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Waterside

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Welton

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Welton Hollow

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

West Hill Gardens

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Westfield

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Wheeler's Hill

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Writhlington

Bath and North East Somerset · 87.4 mg/l

Moderately Soft

Stoke St Michael

Somerset · 58.2 mg/l

Moderately Soft

East End

Somerset · 58.2 mg/l

Moderately Soft

Trudoxhill

Somerset · 50.4 mg/l

Moderately Soft

Leighton

Somerset · 50.4 mg/l

Moderately Soft

East Midlands

Avg: 230 mg/l · Hard

Ashfield Zone 5

Nottinghamshire · 429.8 mg/l

Mansfield Woodhouse

Nottinghamshire · 426.8 mg/l

Market Warsop

Nottinghamshire · 426.8 mg/l

Church Warsop

Nottinghamshire · 426.8 mg/l

Clipstone

Nottinghamshire · 426.8 mg/l

Edwinstowe

Nottinghamshire · 426.8 mg/l

Kings Clipstone

Nottinghamshire · 426.8 mg/l

Meden Vale

Nottinghamshire · 426.8 mg/l

New Houghton

Derbyshire · 426.8 mg/l

Newlands

Nottinghamshire · 426.8 mg/l

Ollerton

Nottinghamshire · 426.8 mg/l

Pleasley

Derbyshire · 426.8 mg/l

Spion Kop

Nottinghamshire · 426.8 mg/l

Warsop Vale

Nottinghamshire · 426.8 mg/l

Wellow

Nottinghamshire · 426.8 mg/l

Bull Farm

Nottinghamshire · 426.8 mg/l

Pleasleyhill

Nottinghamshire · 426.8 mg/l

Radmanthwaite

Nottinghamshire · 426.8 mg/l

Blidworth

Nottinghamshire · 420.8 mg/l

Harlow Wood

Nottinghamshire · 420.8 mg/l

Rainworth

Nottinghamshire · 420.8 mg/l

Ravenshead

Nottinghamshire · 420.8 mg/l

Mansfield

Nottinghamshire · 372.8 mg/l

Bilsthorpe

Nottinghamshire · 372.8 mg/l

Bleak Hills

Nottinghamshire · 372.8 mg/l

Ladybrook

Nottinghamshire · 372.8 mg/l

Newton Town

Nottinghamshire · 372.8 mg/l

Ravensdale

Nottinghamshire · 372.8 mg/l

The Park

Nottinghamshire · 372.8 mg/l

Brocklesby

Lincolnshire · 371.09 mg/l

Melton Mowbray

Leicestershire · 351.3 mg/l

Retford

Nottinghamshire · 336.2 mg/l

North Leverton with Habblesthorpe

Nottinghamshire · 336.2 mg/l

Welham

Nottinghamshire · 336.2 mg/l

Balk Field

Nottinghamshire · 336.2 mg/l

West Retford

Nottinghamshire · 336.2 mg/l

Babworth

Nottinghamshire · 336.2 mg/l

Elkesley

Nottinghamshire · 319.9 mg/l

Newtown

Nottinghamshire · 319.9 mg/l

Ordsall

Nottinghamshire · 319.9 mg/l

Sibthorpe

Nottinghamshire · 319.9 mg/l

South Retford

Nottinghamshire · 319.9 mg/l

Thrumpton

Nottinghamshire · 319.9 mg/l

West Field

Nottinghamshire · 319.9 mg/l

Shirebrook

Derbyshire · 314.9 mg/l

Barlborough

Derbyshire · 314.9 mg/l

Clowne

Derbyshire · 314.9 mg/l

Creswell

Derbyshire · 314.9 mg/l

Cuckney

Nottinghamshire · 314.9 mg/l

Elmton

Derbyshire · 314.9 mg/l

Hodthorpe

Derbyshire · 314.9 mg/l

Langwith

Derbyshire · 314.9 mg/l

Norton

Nottinghamshire · 314.9 mg/l

Oxcroft Estate

Derbyshire · 314.9 mg/l

Scarcliffe

Derbyshire · 314.9 mg/l

Stanfree

Derbyshire · 314.9 mg/l

Whaley

Derbyshire · 314.9 mg/l

Whaley Thorns

Derbyshire · 314.9 mg/l

Whitwell

Derbyshire · 314.9 mg/l

Langwith Junction

Derbyshire · 314.9 mg/l

Nether Langwith

Nottinghamshire · 314.9 mg/l

Upper Langwith

Derbyshire · 314.9 mg/l

Desborough

North Northamptonshire · 306 mg/l

Oakham

Rutland · 305.4 mg/l

Uppingham

Rutland · 305.4 mg/l

Barnby Moor

Nottinghamshire · 304.9 mg/l

Harworth

Nottinghamshire · 304.9 mg/l

Market Harborough

Leicestershire · 301.9 mg/l

Bircotes

Nottinghamshire · 299.67 mg/l

Misson

Nottinghamshire · 299.67 mg/l

Worksop

Nottinghamshire · 299.3 mg/l

Carlton in Lindrick

Nottinghamshire · 299.3 mg/l

Langold

Nottinghamshire · 299.3 mg/l

Ranby

Nottinghamshire · 299.3 mg/l

Rhodesia

Nottinghamshire · 299.3 mg/l

Shireoaks

Nottinghamshire · 299.3 mg/l

Bracebridge

Nottinghamshire · 299.3 mg/l

Costhorpe

Nottinghamshire · 299.3 mg/l

Gateford

Nottinghamshire · 299.3 mg/l

Kilton

Nottinghamshire · 299.3 mg/l

Manton

Nottinghamshire · 299.3 mg/l

North Carlton

Nottinghamshire · 299.3 mg/l

South Carlton

Nottinghamshire · 299.3 mg/l

Sunnyside

Nottinghamshire · 299.3 mg/l

Daventry

West Northamptonshire · 297.5 mg/l

Lutterworth

Leicestershire · 296.9 mg/l

Catthorpe

Leicestershire · 296.9 mg/l

Cotesbach

Leicestershire · 296.9 mg/l

Lilbourne

West Northamptonshire · 296.9 mg/l

Shawell

Leicestershire · 296.9 mg/l

South Kilworth

Leicestershire · 296.9 mg/l

Swinford

Leicestershire · 296.9 mg/l

Walcote

Leicestershire · 296.9 mg/l

Yelvertoft

West Northamptonshire · 296.9 mg/l

Stanford on Avon

West Northamptonshire · 296.9 mg/l

Kimberley

Nottinghamshire · 291 mg/l

Awsworth

Nottinghamshire · 291 mg/l

Bestwood Village

Nottinghamshire · 291 mg/l

Nuthall

Nottinghamshire · 291 mg/l

Swingate

Nottinghamshire · 291 mg/l

Watnall

Nottinghamshire · 291 mg/l

Bestwood

City of Nottingham · 291 mg/l

Broomhill

Nottinghamshire · 291 mg/l

Bulwell

City of Nottingham · 291 mg/l

Cinderhill

City of Nottingham · 291 mg/l

Cotmanhay

Derbyshire · 291 mg/l

Giltbrook

Nottinghamshire · 291 mg/l

Highbury Vale

City of Nottingham · 291 mg/l

Old Basford

City of Nottingham · 291 mg/l

Rise Park

City of Nottingham · 291 mg/l

Shipley Common

Derbyshire · 291 mg/l

Top Valley

City of Nottingham · 291 mg/l

Westville

Nottinghamshire · 291 mg/l

Ilkeston

Derbyshire · 290.6 mg/l

Strelley

Nottinghamshire · 290.6 mg/l

Aspley

City of Nottingham · 290.6 mg/l

Beechdale

City of Nottingham · 290.6 mg/l

Bilborough

City of Nottingham · 290.6 mg/l

Bobbers Mill

City of Nottingham · 290.6 mg/l

Gallows Inn

Derbyshire · 290.6 mg/l

Hyson Green

City of Nottingham · 290.6 mg/l

Kirk Hallam

Derbyshire · 290.6 mg/l

Larklands

Derbyshire · 290.6 mg/l

Little Hallam

Derbyshire · 290.6 mg/l

Radford

City of Nottingham · 290.6 mg/l

Trowell Moor

Nottinghamshire · 290.6 mg/l

Cossall

Nottinghamshire · 288.9 mg/l

Broxtowe

City of Nottingham · 288.9 mg/l

Ilkeston Junction

Derbyshire · 288.9 mg/l

New Basford

City of Nottingham · 288.9 mg/l

Whitemoor

City of Nottingham · 288.9 mg/l

Charnwood Zone 31

Leicestershire · 280.2 mg/l

Charnwood Zone 28

Leicestershire · 279.6 mg/l

Ibstock

Leicestershire · 279.5 mg/l

Bagworth

Leicestershire · 279.5 mg/l

Bardon

Leicestershire · 279.5 mg/l

Barlestone

Leicestershire · 279.5 mg/l

Barton in the Beans

Leicestershire · 279.5 mg/l

Battram

Leicestershire · 279.5 mg/l

Botcheston

Leicestershire · 279.5 mg/l

Donington le Heath

Leicestershire · 279.5 mg/l

Ellistown

Leicestershire · 279.5 mg/l

Heather

Leicestershire · 279.5 mg/l

Hugglescote

Leicestershire · 279.5 mg/l

Measham

Leicestershire · 279.5 mg/l

Nailstone

Leicestershire · 279.5 mg/l

Newbold Heath

Leicestershire · 279.5 mg/l

Newbold Verdon

Leicestershire · 279.5 mg/l

Newton Burgoland

Leicestershire · 279.5 mg/l

Normanton le Heath

Leicestershire · 279.5 mg/l

Shackerstone

Leicestershire · 279.5 mg/l

Snarestone

Leicestershire · 279.5 mg/l

Stanton under Bardon

Leicestershire · 279.5 mg/l

Swepstone

Leicestershire · 279.5 mg/l

Thornton

Leicestershire · 279.5 mg/l

Bufton

Leicestershire · 279.5 mg/l

Charnwood Zone 32

Leicestershire · 279.3 mg/l

Arnold

Nottinghamshire · 278.8 mg/l

Bulcote

Nottinghamshire · 278.8 mg/l

Caythorpe

Nottinghamshire · 278.8 mg/l

Gunthorpe

Nottinghamshire · 278.8 mg/l

Lambley

Nottinghamshire · 278.8 mg/l

Ashby-de-la-Zouch

Leicestershire · 278.7 mg/l

Coalville

Leicestershire · 278.7 mg/l

Swadlincote

Derbyshire · 278.7 mg/l

Leicester

City of Leicester · 278.5 mg/l

Syston

Leicestershire · 278.5 mg/l

Anstey

Leicestershire · 278.5 mg/l

Barkby

Leicestershire · 278.5 mg/l

Billesdon

Leicestershire · 278.5 mg/l

Birstall

Leicestershire · 278.5 mg/l

Groby

Leicestershire · 278.5 mg/l

Houghton on the Hill

Leicestershire · 278.5 mg/l

Hungarton

Leicestershire · 278.5 mg/l

Keyham

Leicestershire · 278.5 mg/l

Kirby Muxloe

Leicestershire · 278.5 mg/l

Leicester Forest East

Leicestershire · 278.5 mg/l

Queniborough

Leicestershire · 278.5 mg/l

Ratby

Leicestershire · 278.5 mg/l

Thurmaston

Leicestershire · 278.5 mg/l

Wanlip

Leicestershire · 278.5 mg/l

Beaumont Leys

City of Leicester · 278.5 mg/l

Belgrave

City of Leicester · 278.5 mg/l

Black Friars

City of Leicester · 278.5 mg/l

Braunstone Frith

City of Leicester · 278.5 mg/l

Braunstone Town

Leicestershire · 278.5 mg/l

Bushby

Leicestershire · 278.5 mg/l

Crown Hills

City of Leicester · 278.5 mg/l

Evington

City of Leicester · 278.5 mg/l

Frog Island

City of Leicester · 278.5 mg/l

Glenfield

Leicestershire · 278.5 mg/l

Highfields

City of Leicester · 278.5 mg/l

Humberstone

City of Leicester · 278.5 mg/l

Humberstone Garden

City of Leicester · 278.5 mg/l

Kirby Fields

Leicestershire · 278.5 mg/l

Mowmacre Hill

City of Leicester · 278.5 mg/l

Nether Hall

City of Leicester · 278.5 mg/l

New Found Pool

City of Leicester · 278.5 mg/l

New Parks

City of Leicester · 278.5 mg/l

North Evington

City of Leicester · 278.5 mg/l

Rushey Mead

City of Leicester · 278.5 mg/l

Scraptoft

Leicestershire · 278.5 mg/l

Southfields

City of Leicester · 278.5 mg/l

Spinney Hills

City of Leicester · 278.5 mg/l

Thurnby

Leicestershire · 278.5 mg/l

Thurnby Lodge

City of Leicester · 278.5 mg/l

Westcotes

City of Leicester · 278.5 mg/l

Western Park

City of Leicester · 278.5 mg/l

Broadnook

Leicestershire · 278.4 mg/l

Cossington

Leicestershire · 278.4 mg/l

Cropston

Leicestershire · 278.4 mg/l

East Goscote

Leicestershire · 278.4 mg/l

Markfield

Leicestershire · 278.4 mg/l

Mountsorrel

Leicestershire · 278.4 mg/l

Newtown Linford

Leicestershire · 278.4 mg/l

Quorndon

Leicestershire · 278.4 mg/l

Ratcliffe on the Wreake

Leicestershire · 278.4 mg/l

Rearsby

Leicestershire · 278.4 mg/l

Rothley

Leicestershire · 278.4 mg/l

Sileby

Leicestershire · 278.4 mg/l

Swithland

Leicestershire · 278.4 mg/l

Thrussington

Leicestershire · 278.4 mg/l

Thurcaston

Leicestershire · 278.4 mg/l

Woodhouse

Leicestershire · 278.4 mg/l

Woodhouse Eaves

Leicestershire · 278.4 mg/l

Field Head

Leicestershire · 278.4 mg/l

Copt Oak

Leicestershire · 278.4 mg/l

Blaby Zone 25

Leicestershire · 278.4 mg/l

Charnwood Zone 24

Leicestershire · 277.8 mg/l

Loughborough

Leicestershire · 274.9 mg/l

Shepshed

Leicestershire · 274.9 mg/l

Burton on the Wolds

Leicestershire · 274.9 mg/l

Costock

Nottinghamshire · 274.9 mg/l

East Leake

Nottinghamshire · 274.9 mg/l

Hathern

Leicestershire · 274.9 mg/l

Hoton

Leicestershire · 274.9 mg/l

Kegworth

Leicestershire · 274.9 mg/l

Kingston on Soar

Nottinghamshire · 274.9 mg/l

Long Whatton

Leicestershire · 274.9 mg/l

Normanton on Soar

Nottinghamshire · 274.9 mg/l

Rempstone

Nottinghamshire · 274.9 mg/l

Sutton Bonington

Nottinghamshire · 274.9 mg/l

Walton on the Wolds

Leicestershire · 274.9 mg/l

West Leake

Nottinghamshire · 274.9 mg/l

Willoughby-on-the-Wolds

Nottinghamshire · 274.9 mg/l

Wymeswold

Leicestershire · 274.9 mg/l

Zouch

Nottinghamshire · 274.9 mg/l

Dishley

Leicestershire · 274.9 mg/l

Thorpe Acre

Leicestershire · 274.9 mg/l

Thorpe in the Glebe

Nottinghamshire · 274.9 mg/l

Harworth

Nottinghamshire · 270.95 mg/l

Styrrup

Nottinghamshire · 270.95 mg/l

Annesley Woodhouse

Nottinghamshire · 267.2 mg/l

Selston

Nottinghamshire · 267.2 mg/l

Annesley

Nottinghamshire · 267.2 mg/l

Commonside

Nottinghamshire · 267.2 mg/l

Hall Green

Nottinghamshire · 267.2 mg/l

Kirkby Woodhouse

Nottinghamshire · 267.2 mg/l

Lower Birchwood

Derbyshire · 267.2 mg/l

Nuncargate

Nottinghamshire · 267.2 mg/l

Rosemaryhill

Nottinghamshire · 267.2 mg/l

Beeston

Nottinghamshire · 258.9 mg/l

Long Eaton

Derbyshire · 258.9 mg/l

Sandiacre

Derbyshire · 258.9 mg/l

Stapleford

Nottinghamshire · 258.9 mg/l

Attenborough

Nottinghamshire · 258.9 mg/l

Bramcote

Nottinghamshire · 258.9 mg/l

Chilwell

Nottinghamshire · 258.9 mg/l

Dunkirk

City of Nottingham · 258.9 mg/l

Fairham

Nottinghamshire · 258.9 mg/l

Hallam Fields

Derbyshire · 258.9 mg/l

Lenton Abbey

City of Nottingham · 258.9 mg/l

New Lenton

City of Nottingham · 258.9 mg/l

New Sawley

Derbyshire · 258.9 mg/l

Old Lenton

City of Nottingham · 258.9 mg/l

Rylands

Nottinghamshire · 258.9 mg/l

Sawley

Derbyshire · 258.9 mg/l

Toton

Nottinghamshire · 258.9 mg/l

Wollaton

City of Nottingham · 258.9 mg/l

Blaby Zone 15

Leicestershire · 250.7 mg/l

Brackley

West Northamptonshire · 248 mg/l

Astrop

West Northamptonshire · 248 mg/l

Church End

West Northamptonshire · 248 mg/l

Westhorp

West Northamptonshire · 248 mg/l

Ashby Folville

Leicestershire · 245.6 mg/l

Barsby

Leicestershire · 245.6 mg/l

Burrough on the Hill

Leicestershire · 245.6 mg/l

Cold Overton

Leicestershire · 245.6 mg/l

Edmondthorpe

Leicestershire · 245.6 mg/l

Great Dalby

Leicestershire · 245.6 mg/l

Knossington

Leicestershire · 245.6 mg/l

Owston

Leicestershire · 245.6 mg/l

Pickwell

Leicestershire · 245.6 mg/l

Sewstern

Leicestershire · 245.6 mg/l

Skeffington

Leicestershire · 245.6 mg/l

Somerby

Leicestershire · 245.6 mg/l

South Croxton

Leicestershire · 245.6 mg/l

Thorpe Satchville

Leicestershire · 245.6 mg/l

Tilton on the Hill

Leicestershire · 245.6 mg/l

Twyford

Leicestershire · 245.6 mg/l

Whissendine

Rutland · 245.6 mg/l

Wymondham

Leicestershire · 245.6 mg/l

Nether End

Leicestershire · 245.6 mg/l

Upper End

Leicestershire · 245.6 mg/l

Barrow upon Soar

Leicestershire · 245.4 mg/l

Seagrave

Leicestershire · 245.4 mg/l

Nanpantan

Leicestershire · 245.4 mg/l

Clarendon Park

City of Leicester · 243.9 mg/l

Gonalston

Nottinghamshire · 236.6 mg/l

Amber Valley Zone 12

Derbyshire · 232.6 mg/l

Street Lane

Derbyshire · 229.4 mg/l

Bridgehill

Derbyshire · 229.4 mg/l

Scotches

Derbyshire · 229.4 mg/l

White Moor

Derbyshire · 229.4 mg/l

Nether Biggin

Derbyshire · 229.4 mg/l

Earl Shilton

Leicestershire · 227.2 mg/l

Hinckley

Leicestershire · 227.2 mg/l

Aston Flamville

Leicestershire · 227.2 mg/l

Barwell

Leicestershire · 227.2 mg/l

Burton Overy

Leicestershire · 227.2 mg/l

Cadeby

Leicestershire · 227.2 mg/l

Claybrooke Magna

Leicestershire · 227.2 mg/l

Claybrooke Parva

Leicestershire · 227.2 mg/l

Desford

Leicestershire · 227.2 mg/l

Elmesthorpe

Leicestershire · 227.2 mg/l

Frolesworth

Leicestershire · 227.2 mg/l

Gaulby

Leicestershire · 227.2 mg/l

Great Glen

Leicestershire · 227.2 mg/l

Illston on the Hill

Leicestershire · 227.2 mg/l

Kirkby Mallory

Leicestershire · 227.2 mg/l

Little Stretton

Leicestershire · 227.2 mg/l

Newton Harcourt

Leicestershire · 227.2 mg/l

Peckleton

Leicestershire · 227.2 mg/l

Sapcote

Leicestershire · 227.2 mg/l

Sharnford

Leicestershire · 227.2 mg/l

Stapleton

Leicestershire · 227.2 mg/l

Stoney Stanton

Leicestershire · 227.2 mg/l

Stoughton

Leicestershire · 227.2 mg/l

Sutton Cheney

Leicestershire · 227.2 mg/l

Ullesthorpe

Leicestershire · 227.2 mg/l

Aylestone

City of Leicester · 227.2 mg/l

Aylestone Park

City of Leicester · 227.2 mg/l

Burbage

Leicestershire · 227.2 mg/l

Hollycroft

Leicestershire · 227.2 mg/l

Knighton

City of Leicester · 227.2 mg/l

Knighton Fields

City of Leicester · 227.2 mg/l

Rowley Fields

Leicestershire · 227.2 mg/l

Sketchley

Leicestershire · 227.2 mg/l

Sketchley Old Village

Leicestershire · 227.2 mg/l

South Knighton

City of Leicester · 227.2 mg/l

Stoneygate

City of Leicester · 227.2 mg/l

West Knighton

City of Leicester · 227.2 mg/l

Wigston Harcourt

Leicestershire · 227.2 mg/l

Wigston Magna

Leicestershire · 227.2 mg/l

Oadby

Leicestershire · 227.2 mg/l

Wigston

Leicestershire · 227.2 mg/l

Arnesby

Leicestershire · 226 mg/l

Ashby Magna

Leicestershire · 226 mg/l

Ashby Parva

Leicestershire · 226 mg/l

Bitteswell

Leicestershire · 226 mg/l

Broughton Astley

Leicestershire · 226 mg/l

Bruntingthorpe

Leicestershire · 226 mg/l

Cosby

Leicestershire · 226 mg/l

Countesthorpe

Leicestershire · 226 mg/l

Dunton Bassett

Leicestershire · 226 mg/l

Fleckney

Leicestershire · 226 mg/l

Gilmorton

Leicestershire · 226 mg/l

Kilby

Leicestershire · 226 mg/l

Kimcote

Leicestershire · 226 mg/l

Leire

Leicestershire · 226 mg/l

Peatling Magna

Leicestershire · 226 mg/l

Peatling Parva

Leicestershire · 226 mg/l

Shearsby

Leicestershire · 226 mg/l

Upper Bruntingthorpe

Leicestershire · 226 mg/l

Walton

Leicestershire · 226 mg/l

Willoughby Waterleys

Leicestershire · 226 mg/l

Primethorpe

Leicestershire · 226 mg/l

Sutton in the Elms

Leicestershire · 226 mg/l

Nottingham

City of Nottingham · 225.6 mg/l

Alexandra Park

City of Nottingham · 225.6 mg/l

Bakersfield

Nottinghamshire · 225.6 mg/l

Carrington

City of Nottingham · 225.6 mg/l

Daybrook

Nottinghamshire · 225.6 mg/l

Forest Fields

City of Nottingham · 225.6 mg/l

Lace Market

City of Nottingham · 225.6 mg/l

Mapperley

City of Nottingham · 225.6 mg/l

Mapperley Park

City of Nottingham · 225.6 mg/l

Sherwood

City of Nottingham · 225.6 mg/l

Sherwood Rise

City of Nottingham · 225.6 mg/l

Sneinton

City of Nottingham · 225.6 mg/l

St Ann's

City of Nottingham · 225.6 mg/l

Standard Hill

City of Nottingham · 225.6 mg/l

The Park

City of Nottingham · 225.6 mg/l

Woodthorpe

Nottinghamshire · 225.6 mg/l

Derby Zone 13

Derbyshire · 225.2 mg/l

Ambaston

Derbyshire · 224.4 mg/l

Aston-on-Trent

Derbyshire · 224.4 mg/l

Barrow upon Trent

Derbyshire · 224.4 mg/l

Borrowash

Derbyshire · 224.4 mg/l

Bretby

Derbyshire · 224.4 mg/l

Burnaston

Derbyshire · 224.4 mg/l

Castle Donington

Leicestershire · 224.4 mg/l

Church Broughton

Derbyshire · 224.4 mg/l

Draycott

Derbyshire · 224.4 mg/l

Egginton

Derbyshire · 224.4 mg/l

Elvaston

Derbyshire · 224.4 mg/l

Etwall

Derbyshire · 224.4 mg/l

Findern

Derbyshire · 224.4 mg/l

Hatton

Derbyshire · 224.4 mg/l

Hilton

Derbyshire · 224.4 mg/l

Ingleby

Derbyshire · 224.4 mg/l

King's Newton

Derbyshire · 224.4 mg/l

Melbourne

Derbyshire · 224.4 mg/l

Milton

Derbyshire · 224.4 mg/l

Newton Solney

Derbyshire · 224.4 mg/l

Ockbrook

Derbyshire · 224.4 mg/l

Repton

Derbyshire · 224.4 mg/l

Shardlow

Derbyshire · 224.4 mg/l

Stanton by Bridge

Derbyshire · 224.4 mg/l

Sutton on the Hill

Derbyshire · 224.4 mg/l

Swarkestone

Derbyshire · 224.4 mg/l

Thulston

Derbyshire · 224.4 mg/l

Weston-on-Trent

Derbyshire · 224.4 mg/l

Willington

Derbyshire · 224.4 mg/l

Alvaston

City of Derby · 224.4 mg/l

Boulton

City of Derby · 224.4 mg/l

Chellaston

City of Derby · 224.4 mg/l

Crewton

City of Derby · 224.4 mg/l

Derby War Memorial Village

City of Derby · 224.4 mg/l

Lilypool

Derbyshire · 224.4 mg/l

Litchurch

City of Derby · 224.4 mg/l

Littleover

City of Derby · 224.4 mg/l

Mickleover

City of Derby · 224.4 mg/l

Mount Pleasant

Derbyshire · 224.4 mg/l

New York

Derbyshire · 224.4 mg/l

Normanton

City of Derby · 224.4 mg/l

Osmaston

City of Derby · 224.4 mg/l

Pear Tree

City of Derby · 224.4 mg/l

Rose Hill

City of Derby · 224.4 mg/l

Shelton Lock

City of Derby · 224.4 mg/l

Sinfin

City of Derby · 224.4 mg/l

Sunny Hill

City of Derby · 224.4 mg/l

Wilmorton

City of Derby · 224.4 mg/l

Blaby

Leicestershire · 224 mg/l

Enderby

Leicestershire · 224 mg/l

Huncote

Leicestershire · 224 mg/l

Leicester Forest West

Leicestershire · 224 mg/l

Littlethorpe

Leicestershire · 224 mg/l

Narborough

Leicestershire · 224 mg/l

Thurlaston

Leicestershire · 224 mg/l

Whetstone

Leicestershire · 224 mg/l

Eyres Monsell

City of Leicester · 224 mg/l

Fosse Park

Leicestershire · 224 mg/l

Glen Parva

City of Leicester · 224 mg/l

South Wigston

Leicestershire · 224 mg/l

King Street Buildings

Leicestershire · 224 mg/l

Croft

Leicestershire · 223.8 mg/l

Blaby Zone 26

Leicestershire · 222.5 mg/l

Farndon

Nottinghamshire · 212.9 mg/l

Kelham

Nottinghamshire · 212.5 mg/l

Newark-on-Trent

Nottinghamshire · 210.5 mg/l

Southwell

Nottinghamshire · 210.5 mg/l

Averham

Nottinghamshire · 210.5 mg/l

Beckingham

Lincolnshire · 210.5 mg/l

Brant Broughton

Lincolnshire · 210.5 mg/l

Coddington

Nottinghamshire · 210.5 mg/l

Maythorne

Nottinghamshire · 210.5 mg/l

Staythorpe

Nottinghamshire · 210.5 mg/l

Upton

Nottinghamshire · 210.5 mg/l

Beacon Hill

Nottinghamshire · 210.5 mg/l

Easthorpe

Nottinghamshire · 210.5 mg/l

High Town

Nottinghamshire · 210.5 mg/l

Westhorpe

Nottinghamshire · 210.5 mg/l

The Green

Nottinghamshire · 210.5 mg/l

Shelthorpe

Leicestershire · 205 mg/l

Cotgrave

Nottinghamshire · 204.5 mg/l

West Bridgford

Nottinghamshire · 204.5 mg/l

Derby Zone 14

Derbyshire · 202 mg/l

Sutton in Ashfield

Nottinghamshire · 201.7 mg/l

Blackwell

Derbyshire · 201.7 mg/l

Fackley

Nottinghamshire · 201.7 mg/l

Hilcote

Derbyshire · 201.7 mg/l

Huthwaite

Nottinghamshire · 201.7 mg/l

Newton

Derbyshire · 201.7 mg/l

Skegby

Nottinghamshire · 201.7 mg/l

South Normanton

Derbyshire · 201.7 mg/l

Stanton Hill

Nottinghamshire · 201.7 mg/l

Teversal

Nottinghamshire · 201.7 mg/l

Tibshelf

Derbyshire · 201.7 mg/l

Westhouses

Derbyshire · 201.7 mg/l

Commonside

Nottinghamshire · 201.7 mg/l

Fulwood

Nottinghamshire · 201.7 mg/l

New Cross

Nottinghamshire · 201.7 mg/l

Sutton Forest Side

Nottinghamshire · 201.7 mg/l

Bingham

Nottinghamshire · 198.5 mg/l

Moderately Hard

Barnstone

Nottinghamshire · 198.5 mg/l

Moderately Hard

Burton Joyce

Nottinghamshire · 198.5 mg/l

Moderately Hard

Car Colston

Nottinghamshire · 198.5 mg/l

Moderately Hard

Cropwell Bishop

Nottinghamshire · 198.5 mg/l

Moderately Hard

Cropwell Butler

Nottinghamshire · 198.5 mg/l

Moderately Hard

East Bridgford

Nottinghamshire · 198.5 mg/l

Moderately Hard

Granby

Nottinghamshire · 198.5 mg/l

Moderately Hard

Langar

Nottinghamshire · 198.5 mg/l

Moderately Hard

Newton

Nottinghamshire · 198.5 mg/l

Moderately Hard

Radcliffe on Trent

Nottinghamshire · 198.5 mg/l

Moderately Hard

Shelford

Nottinghamshire · 198.5 mg/l

Moderately Hard

Stoke Bardolph

Nottinghamshire · 198.5 mg/l

Moderately Hard

Upper Saxondale

Nottinghamshire · 198.5 mg/l

Moderately Hard

Colwick

Nottinghamshire · 198.5 mg/l

Moderately Hard

Gedling

Nottinghamshire · 198.5 mg/l

Moderately Hard

Netherfield

Nottinghamshire · 198.5 mg/l

Moderately Hard

Porchester

Nottinghamshire · 198.5 mg/l

Moderately Hard

Clay Cross

Derbyshire · 192.5 mg/l

Moderately Hard

Matlock

Derbyshire · 192.5 mg/l

Moderately Hard

Kirkby-in-Ashfield

Nottinghamshire · 179.9 mg/l

Moderately Hard

Broadmeadows

Derbyshire · 179.9 mg/l

Moderately Hard

Acre Ridge Estate

Derbyshire · 179.9 mg/l

Moderately Hard

Bestwood St Albans

Nottinghamshire · 178.3 mg/l

Moderately Hard

Calverton

Nottinghamshire · 178.3 mg/l

Moderately Hard

Edingley

Nottinghamshire · 178.3 mg/l

Moderately Hard

Epperstone

Nottinghamshire · 178.3 mg/l

Moderately Hard

Farnsfield

Nottinghamshire · 178.3 mg/l

Moderately Hard

Halam

Nottinghamshire · 178.3 mg/l

Moderately Hard

Halloughton

Nottinghamshire · 178.3 mg/l

Moderately Hard

Oxton

Nottinghamshire · 178.3 mg/l

Moderately Hard

Thurgarton

Nottinghamshire · 178.3 mg/l

Moderately Hard

Woodborough

Nottinghamshire · 178.3 mg/l

Moderately Hard

Hoveringham

Nottinghamshire · 175 mg/l

Moderately Hard

Lowdham

Nottinghamshire · 175 mg/l

Moderately Hard

Redhill

Nottinghamshire · 175 mg/l

Moderately Hard

Staveley

Derbyshire · 174 mg/l

Moderately Hard

Gedling Zone 8

Nottinghamshire · 168.2 mg/l

Moderately Hard

Bolsover

Derbyshire · 165.1 mg/l

Moderately Hard

Calow

Derbyshire · 165.1 mg/l

Moderately Hard

Doe Lea

Derbyshire · 165.1 mg/l

Moderately Hard

Glapwell

Derbyshire · 165.1 mg/l

Moderately Hard

Heath

Derbyshire · 165.1 mg/l

Moderately Hard

Holmewood

Derbyshire · 165.1 mg/l

Moderately Hard

Palterton

Derbyshire · 165.1 mg/l

Moderately Hard

Sutton Scarsdale

Derbyshire · 165.1 mg/l

Moderately Hard

Carr Vale

Derbyshire · 165.1 mg/l

Moderately Hard

Hillstown

Derbyshire · 165.1 mg/l

Moderately Hard

New Bolsover

Derbyshire · 165.1 mg/l

Moderately Hard

Rylah

Derbyshire · 165.1 mg/l

Moderately Hard

Stockley

Derbyshire · 165.1 mg/l

Moderately Hard

Holymoorside

Derbyshire · 164.7 mg/l

Moderately Hard

Birdholme

Derbyshire · 164.7 mg/l

Moderately Hard

Hasland

Derbyshire · 164.7 mg/l

Moderately Hard

Walton

Derbyshire · 164.7 mg/l

Moderately Hard

Winsick

Derbyshire · 164.7 mg/l

Moderately Hard

Upper Loads

Derbyshire · 164.7 mg/l

Moderately Hard

Chesterfield Zone 4

Derbyshire · 163.7 mg/l

Moderately Hard

Eastwood

Nottinghamshire · 160.8 mg/l

Moderately Hard

Hucknall

Nottinghamshire · 160.8 mg/l

Moderately Hard

Allen's Green

Nottinghamshire · 160.8 mg/l

Moderately Hard

Alma

Nottinghamshire · 160.8 mg/l

Moderately Hard

Annesley Lane End

Nottinghamshire · 160.8 mg/l

Moderately Hard

Bailey Grove

Nottinghamshire · 160.8 mg/l

Moderately Hard

Barrows Green

Nottinghamshire · 160.8 mg/l

Moderately Hard

Beauvale

Nottinghamshire · 160.8 mg/l

Moderately Hard

Beauvale

Nottinghamshire · 160.8 mg/l

Moderately Hard

Butler's Hill

Nottinghamshire · 160.8 mg/l

Moderately Hard

Dove Green

Nottinghamshire · 160.8 mg/l

Moderately Hard

Friezeland

Nottinghamshire · 160.8 mg/l

Moderately Hard

Hanstubbin

Nottinghamshire · 160.8 mg/l

Moderately Hard

Hazelgrove

Nottinghamshire · 160.8 mg/l

Moderately Hard

Hill Top

Nottinghamshire · 160.8 mg/l

Moderately Hard

Inkerman

Nottinghamshire · 160.8 mg/l

Moderately Hard

Lower Beauvale

Nottinghamshire · 160.8 mg/l

Moderately Hard

Moorgreen

Nottinghamshire · 160.8 mg/l

Moderately Hard

New Bagthorpe

Nottinghamshire · 160.8 mg/l

Moderately Hard

New Brinsley

Nottinghamshire · 160.8 mg/l

Moderately Hard

New Eastwood

Nottinghamshire · 160.8 mg/l

Moderately Hard

New Westwood

Nottinghamshire · 160.8 mg/l

Moderately Hard

Newthorpe

Nottinghamshire · 160.8 mg/l

Moderately Hard

Newthorpe Common

Nottinghamshire · 160.8 mg/l

Moderately Hard

Plain Spot

Nottinghamshire · 160.8 mg/l

Moderately Hard

Ruffs

Nottinghamshire · 160.8 mg/l

Moderately Hard

Selston Common

Nottinghamshire · 160.8 mg/l

Moderately Hard

Selston Green

Nottinghamshire · 160.8 mg/l

Moderately Hard

Toadhole

Nottinghamshire · 160.8 mg/l

Moderately Hard

Wighay

Nottinghamshire · 160.8 mg/l

Moderately Hard

Woodnook

Nottinghamshire · 160.8 mg/l

Moderately Hard

Derby

City of Derby · 160.1 mg/l

Moderately Hard

Allestree

City of Derby · 160.1 mg/l

Moderately Hard

Breadsall Hilltop

City of Derby · 160.1 mg/l

Moderately Hard

Chaddesden

City of Derby · 160.1 mg/l

Moderately Hard

Darley Abbey

City of Derby · 160.1 mg/l

Moderately Hard

Little Chester

City of Derby · 160.1 mg/l

Moderately Hard

Mackworth Estate

City of Derby · 160.1 mg/l

Moderately Hard

Markeaton

City of Derby · 160.1 mg/l

Moderately Hard

New Zealand

City of Derby · 160.1 mg/l

Moderately Hard

Oakwood

City of Derby · 160.1 mg/l

Moderately Hard

Spondon

City of Derby · 160.1 mg/l

Moderately Hard

The Holmes

City of Derby · 160.1 mg/l

Moderately Hard

Amber Valley Zone 8

Derbyshire · 152.1 mg/l

Moderately Hard

Alfreton

Derbyshire · 149.9 mg/l

Ripley

Derbyshire · 149.9 mg/l

Wirksworth

Derbyshire · 149.9 mg/l

Pinxton

Derbyshire · 140.6 mg/l

Bentinck Town

Nottinghamshire · 140.6 mg/l

Bamford

Derbyshire · 130.76 mg/l

Loscoe

Derbyshire · 126.8 mg/l

The Gutter

Derbyshire · 126.8 mg/l

Market Bosworth

Leicestershire · 99.3 mg/l

Moderately Soft

Blackbrook

Derbyshire · 77.3 mg/l

Moderately Soft

Little Hayfield

Derbyshire · 76.8 mg/l

Moderately Soft

Belper

Derbyshire · 68.5 mg/l

Moderately Soft

Heanor

Derbyshire · 68.5 mg/l

Moderately Soft

Common Side

Derbyshire · 68.5 mg/l

Moderately Soft

Cowhill

Derbyshire · 68.5 mg/l

Moderately Soft

Duffieldbank

Derbyshire · 68.5 mg/l

Moderately Soft

Flaxholme

Derbyshire · 68.5 mg/l

Moderately Soft

Heanor Gate

Derbyshire · 68.5 mg/l

Moderately Soft

Langley

Derbyshire · 68.5 mg/l

Moderately Soft

Langley Mill

Derbyshire · 68.5 mg/l

Moderately Soft

Marlpool

Derbyshire · 68.5 mg/l

Moderately Soft

Newlands

Derbyshire · 68.5 mg/l

Moderately Soft

Chesterfield

Derbyshire · 68.3 mg/l

Moderately Soft

Barlow

Derbyshire · 68.3 mg/l

Moderately Soft

Baslow

Derbyshire · 68.3 mg/l

Moderately Soft

Brimington

Derbyshire · 68.3 mg/l

Moderately Soft

Calow

Derbyshire · 68.3 mg/l

Moderately Soft

Cock Alley

Derbyshire · 68.3 mg/l

Moderately Soft

Common Side

Derbyshire · 68.3 mg/l

Moderately Soft

Cutthorpe

Derbyshire · 68.3 mg/l

Moderately Soft

Old Brampton

Derbyshire · 68.3 mg/l

Moderately Soft

Unstone Green

Derbyshire · 68.3 mg/l

Moderately Soft

Wadshelf

Derbyshire · 68.3 mg/l

Moderately Soft

Ashgate

Derbyshire · 68.3 mg/l

Moderately Soft

Ashgate

Derbyshire · 68.3 mg/l

Moderately Soft

Boythorpe

Derbyshire · 68.3 mg/l

Moderately Soft

Brampton

Derbyshire · 68.3 mg/l

Moderately Soft

Bridge End

Derbyshire · 68.3 mg/l

Moderately Soft

Brimington Common

Derbyshire · 68.3 mg/l

Moderately Soft

Brockwell

Derbyshire · 68.3 mg/l

Moderately Soft

Brookside

Derbyshire · 68.3 mg/l

Moderately Soft

Dunston

Derbyshire · 68.3 mg/l

Moderately Soft

Hady

Derbyshire · 68.3 mg/l

Moderately Soft

Hemming Green

Derbyshire · 68.3 mg/l

Moderately Soft

Loundsley Green

Derbyshire · 68.3 mg/l

Moderately Soft

Nether End

Derbyshire · 68.3 mg/l

Moderately Soft

New Brimington

Derbyshire · 68.3 mg/l

Moderately Soft

New Whittington

Derbyshire · 68.3 mg/l

Moderately Soft

Newbold

Derbyshire · 68.3 mg/l

Moderately Soft

Newbold Moor

Derbyshire · 68.3 mg/l

Moderately Soft

Old Whittington

Derbyshire · 68.3 mg/l

Moderately Soft

Over End

Derbyshire · 68.3 mg/l

Moderately Soft

Sheepbridge

Derbyshire · 68.3 mg/l

Moderately Soft

Spital

Derbyshire · 68.3 mg/l

Moderately Soft

St Augustines

Derbyshire · 68.3 mg/l

Moderately Soft

Stonegravels

Derbyshire · 68.3 mg/l

Moderately Soft

Tapton

Derbyshire · 68.3 mg/l

Moderately Soft

The Brushes

Derbyshire · 68.3 mg/l

Moderately Soft

Upper Newbold

Derbyshire · 68.3 mg/l

Moderately Soft

West End

Derbyshire · 68.3 mg/l

Moderately Soft

Whittington Moor

Derbyshire · 68.3 mg/l

Moderately Soft

Ashbourne

Derbyshire · 67.9 mg/l

Moderately Soft

Bakewell

Derbyshire · 67.9 mg/l

Moderately Soft

Darley Dale

Derbyshire · 67.9 mg/l

Moderately Soft

Bellevue

Derbyshire · 67.9 mg/l

Moderately Soft

Churchtown

Derbyshire · 67.9 mg/l

Moderately Soft

Compton

Derbyshire · 67.9 mg/l

Moderately Soft

Northwood

Derbyshire · 67.9 mg/l

Moderately Soft

Spitalhill

Derbyshire · 67.9 mg/l

Moderately Soft

The Leys

Derbyshire · 67.9 mg/l

Moderately Soft

Two Dales

Derbyshire · 67.9 mg/l

Moderately Soft

Upper Town

Derbyshire · 67.9 mg/l

Moderately Soft

Upperwood

Derbyshire · 67.9 mg/l

Moderately Soft

Hathersage Booths

Derbyshire · 67.74 mg/l

Moderately Soft

Ridgeway

Derbyshire · 64.22 mg/l

Moderately Soft

New Mills

Derbyshire · 63.3 mg/l

Moderately Soft

Whaley Bridge

Derbyshire · 63.3 mg/l

Moderately Soft

Dronfield

Derbyshire · 55.99 mg/l

Moderately Soft

Glossop

Derbyshire · 55.4 mg/l

Moderately Soft

Yorkshire and the Humber

Avg: 141 mg/l · Slightly Hard

Boothferry

East Riding of Yorkshire · 374.59 mg/l

East Halton

North Lincolnshire · 371.09 mg/l

Goxhill

North Lincolnshire · 371.09 mg/l

Habrough

North East Lincolnshire · 371.09 mg/l

Kirmington

North Lincolnshire · 371.09 mg/l

North Killingholme

North Lincolnshire · 371.09 mg/l

South Killingholme

North Lincolnshire · 371.09 mg/l

Ulceby

North Lincolnshire · 371.09 mg/l

Ulceby Skitter

North Lincolnshire · 371.09 mg/l

Wootton

North Lincolnshire · 371.09 mg/l

North End

North Lincolnshire · 371.09 mg/l

Avenue

East Riding of Yorkshire · 369.59 mg/l

Central

East Riding of Yorkshire · 369.59 mg/l

Kingston upon Hull

City of Kingston upon Hull · 369.18 mg/l

Drypool

City of Kingston upon Hull · 369.18 mg/l

Garrison Side

City of Kingston upon Hull · 369.18 mg/l

Barton-upon-Humber

North Lincolnshire · 367.93 mg/l

Hessle

East Riding of Yorkshire · 367.93 mg/l

Sancton

East Riding of Yorkshire · 367.09 mg/l

St Andrew's & Docklands

East Riding of Yorkshire · 365.85 mg/l

Mile House

City of Kingston upon Hull · 365.22 mg/l

Summergangs

City of Kingston upon Hull · 365.22 mg/l

Wilmington

City of Kingston upon Hull · 365.22 mg/l

Derringham

East Riding of Yorkshire · 364.6 mg/l

Bielby

East Riding of Yorkshire · 360.44 mg/l

Everingham

East Riding of Yorkshire · 360.44 mg/l

Melbourne

East Riding of Yorkshire · 360.44 mg/l

Thornton

East Riding of Yorkshire · 360.44 mg/l

Orchard Park

East Riding of Yorkshire · 351.42 mg/l

Immingham

North East Lincolnshire · 345.24 mg/l

Foggathorpe

East Riding of Yorkshire · 345.24 mg/l

Holme upon Spalding Moor

East Riding of Yorkshire · 345.24 mg/l

Keyingham

East Riding of Yorkshire · 345.24 mg/l

Moor End

East Riding of Yorkshire · 345.24 mg/l

Ottringham

East Riding of Yorkshire · 345.24 mg/l

Paull

East Riding of Yorkshire · 345.24 mg/l

Ryehill

East Riding of Yorkshire · 345.24 mg/l

Highfield

East Riding of Yorkshire · 345.24 mg/l

Lakeside Cottages

East Riding of Yorkshire · 345.24 mg/l

Sand Hole

East Riding of Yorkshire · 345.24 mg/l

Water End

East Riding of Yorkshire · 345.24 mg/l

St Mary's

East Riding of Yorkshire · 343.79 mg/l

Seaton Ross

East Riding of Yorkshire · 340.87 mg/l

New Lodge

Barnsley · 334.63 mg/l

Smithies

Barnsley · 334.63 mg/l

Braithwell

Doncaster · 332.13 mg/l

Clifton

Doncaster · 332.13 mg/l

Micklebring

Doncaster · 332.13 mg/l

New Edlington

Doncaster · 332.13 mg/l

Old Edlington

Doncaster · 332.13 mg/l

Market Weighton

East Riding of Yorkshire · 327.14 mg/l

Shaw Lands

Barnsley · 327.14 mg/l

Willerby and Kirk Ella

East Riding of Yorkshire · 324.64 mg/l

Rawmarsh West

South Yorkshire · 322.14 mg/l

Aldwarke

Rotherham · 317.15 mg/l

Thorpe Salvin

Rotherham · 314.9 mg/l

Catcliffe

Rotherham · 314.65 mg/l

Treeton

Rotherham · 314.65 mg/l

Clifton

Rotherham · 314.65 mg/l

Drakehouse

Sheffield · 314.65 mg/l

Orgreave

Sheffield · 314.65 mg/l

Woodhouse

Sheffield · 314.65 mg/l

Woodhouse Mill

Sheffield · 314.65 mg/l

Sowerby & Topcliffe

North Yorkshire · 312.16 mg/l

Featherstone

Wakefield · 309.66 mg/l

Knottingley

Wakefield · 309.66 mg/l

Normanton

Wakefield · 309.66 mg/l

Pontefract

Wakefield · 309.66 mg/l

Holgate

North Yorkshire · 309.66 mg/l

Pickering

North Yorkshire · 307.78 mg/l

Hutton Conyers

North Yorkshire · 307.16 mg/l

East Moor

Wakefield · 307.16 mg/l

Park Hill

Wakefield · 307.16 mg/l

Wolds Weighton

East Riding of Yorkshire · 307.16 mg/l

Durkar

Wakefield · 305.5 mg/l

Bishopton

North Yorkshire · 305.5 mg/l

Clotherholme

North Yorkshire · 305.5 mg/l

Stand Bridge

Wakefield · 305.5 mg/l

Rotherham

Rotherham · 304.66 mg/l

Osbaldwick

York · 302.17 mg/l

University

York · 302.17 mg/l

Bawtry

Doncaster · 299.67 mg/l

Austerfield

Doncaster · 299.67 mg/l

Finningley

Doncaster · 299.67 mg/l

Hayfield Green

Doncaster · 299.67 mg/l

New Rossington

Doncaster · 299.67 mg/l

Rossington

Doncaster · 299.67 mg/l

Littleworth

Doncaster · 299.67 mg/l

Kilnhurst & Swinton East

South Yorkshire · 299.67 mg/l

Letwell

Rotherham · 299.3 mg/l

Woodsetts

Rotherham · 299.3 mg/l

Hipswell & Colburn

North Yorkshire · 297.17 mg/l

Borrage Green

North Yorkshire · 295.92 mg/l

South Dalton

East Riding of Yorkshire · 295.51 mg/l

Cranswick

East Riding of Yorkshire · 295.51 mg/l

West End

East Riding of Yorkshire · 295.51 mg/l

Acomb

York · 294.99 mg/l

Chapel Fields

York · 294.99 mg/l

Holgate

York · 294.99 mg/l

Low Field

York · 294.99 mg/l

Bishop Burton

East Riding of Yorkshire · 294.67 mg/l

Cherry Burton

East Riding of Yorkshire · 294.67 mg/l

Leconfield

East Riding of Yorkshire · 294.67 mg/l

Walkington

East Riding of Yorkshire · 294.67 mg/l

Blackburn

Rotherham · 294.67 mg/l

Hill Top

Rotherham · 294.67 mg/l

Jordan

Rotherham · 294.67 mg/l

Low Wincobank

Sheffield · 294.67 mg/l

Richmond Park

Rotherham · 294.67 mg/l

Templeborough

Rotherham · 294.67 mg/l

Tinsley

Sheffield · 294.67 mg/l

Cliffe & North Duffield

North Yorkshire · 294.67 mg/l

South West Holderness

East Riding of Yorkshire · 294.67 mg/l

Clementhorpe

York · 293.43 mg/l

South Bank

York · 293.43 mg/l

Wroot

North Lincolnshire · 292.18 mg/l

Intake

Doncaster · 292.18 mg/l

Nutwell

Doncaster · 292.18 mg/l

Bridlington South

East Riding of Yorkshire · 292.18 mg/l

Pocklington

East Riding of Yorkshire · 290.93 mg/l

Canal Head

East Riding of Yorkshire · 290.93 mg/l

Goole North

East Riding of Yorkshire · 289.18 mg/l

Knottingley

West Yorkshire · 287.81 mg/l

Spaldington

East Riding of Yorkshire · 287.43 mg/l

Tollingham

East Riding of Yorkshire · 287.43 mg/l

Welham Bridge

East Riding of Yorkshire · 287.43 mg/l

South Cave

East Riding of Yorkshire · 287.18 mg/l

Brantingham

East Riding of Yorkshire · 287.18 mg/l

Brough

East Riding of Yorkshire · 287.18 mg/l

Ellerker

East Riding of Yorkshire · 287.18 mg/l

Elloughton

East Riding of Yorkshire · 287.18 mg/l

Heath

Wakefield · 287.18 mg/l

Little Weighton

East Riding of Yorkshire · 287.18 mg/l

North Newbald

East Riding of Yorkshire · 287.18 mg/l

South Newbald

East Riding of Yorkshire · 287.18 mg/l

Welton

East Riding of Yorkshire · 287.18 mg/l

Amotherby & Ampleforth

North Yorkshire · 284.69 mg/l

Camblesforth & Carlton

North Yorkshire · 284.69 mg/l

Helmsley & Sinnington

North Yorkshire · 284.69 mg/l

Goodmanham

East Riding of Yorkshire · 283.69 mg/l

Huggate

East Riding of Yorkshire · 283.69 mg/l

Warter

East Riding of Yorkshire · 283.69 mg/l

Catterick Village & Brompton-on-Swale

North Yorkshire · 283.44 mg/l

Newton Hill

Wakefield · 283.19 mg/l

Snow Hill

Wakefield · 283.19 mg/l

Wrenthorpe

Wakefield · 283.19 mg/l

Outwood

Wakefield · 282.97 mg/l

Morton-on-Swale & Appleton Wiske

North Yorkshire · 282.19 mg/l

Hickleton

Doncaster · 281.69 mg/l

Marr

Doncaster · 281.69 mg/l

Scawsby

Doncaster · 281.69 mg/l

Scawthorpe

Doncaster · 281.69 mg/l

Thurnscoe East

Barnsley · 281.69 mg/l

Moor Side

Leeds · 281.19 mg/l

Adel

Leeds · 281.19 mg/l

Beechwood

Leeds · 281.19 mg/l

Cookridge

Leeds · 281.19 mg/l

Far Headingley

Leeds · 281.19 mg/l

Holt Park

Leeds · 281.19 mg/l

Horsforth Woodside

Leeds · 281.19 mg/l

Ireland Wood

Leeds · 281.19 mg/l

Lawnswood

Leeds · 281.19 mg/l

Low Farm

Leeds · 281.19 mg/l

Tinshill

Leeds · 281.19 mg/l

Tinshill Moor

Leeds · 281.19 mg/l

Troy

Leeds · 281.19 mg/l

Weetwood

Leeds · 281.19 mg/l

West Park

Leeds · 281.19 mg/l

Wilthorpe

Barnsley · 281.19 mg/l

Hexthorpe & Balby North

South Yorkshire · 280.94 mg/l

Pocklington Provincial

East Riding of Yorkshire · 280.94 mg/l

Hillside & Raskelf

North Yorkshire · 279.69 mg/l

Howden

East Riding of Yorkshire · 278.86 mg/l

Beverley

East Riding of Yorkshire · 277.36 mg/l

Cottingham

East Riding of Yorkshire · 277.36 mg/l

Dinnington

Rotherham · 277.19 mg/l

Adwick le Street & Carcroft

South Yorkshire · 277.19 mg/l

Thornton Dale & Wolds

North Yorkshire · 275.07 mg/l

Cusworth

Doncaster · 274.7 mg/l

Toll Bar

Doncaster · 274.7 mg/l

Newton

Doncaster · 274.7 mg/l

Richmond Hill

Doncaster · 274.7 mg/l

Osgoldcross

North Yorkshire · 274.7 mg/l

Thirsk

North Yorkshire · 274.7 mg/l

Bilton

East Riding of Yorkshire · 273.03 mg/l

Athersley North

Barnsley · 272.2 mg/l

Athersley South

Barnsley · 272.2 mg/l

Snaith, Airmyn, Rawcliffe and Marshland

East Riding of Yorkshire · 272.2 mg/l

Ouseburn

North Yorkshire · 271.7 mg/l

Maltby

Rotherham · 270.95 mg/l

Tickhill

Doncaster · 270.95 mg/l

Firbeck

Rotherham · 270.95 mg/l

Loversall

Doncaster · 270.95 mg/l

Stainton

Doncaster · 270.95 mg/l

Wadworth

Doncaster · 270.95 mg/l

Howden

East Riding of Yorkshire · 270.45 mg/l

Haxby

York · 270.03 mg/l

Dodworth

Barnsley · 269.14 mg/l

Dodworth Bottom

Barnsley · 269.14 mg/l

Dodworth Green

Barnsley · 269.14 mg/l

Fall Bank

Barnsley · 269.14 mg/l

Gilroyd

Barnsley · 269.14 mg/l

Ure Bank

North Yorkshire · 267.2 mg/l

Stoneferry

City of Kingston upon Hull · 265.83 mg/l

West Carr

City of Kingston upon Hull · 265.83 mg/l

Auckley

Doncaster · 264.71 mg/l

Blaxton

Doncaster · 264.71 mg/l

Branton

Doncaster · 264.71 mg/l

Old Cantley

Doncaster · 264.71 mg/l

Bessacarr

Doncaster · 264.71 mg/l

Cantley

Doncaster · 264.71 mg/l

Richmond

North Yorkshire · 264.62 mg/l

Masbrough

Rotherham · 264.21 mg/l

New York

Rotherham · 264.21 mg/l

Thorn Hill

Rotherham · 264.21 mg/l

Castleford

Wakefield · 263.71 mg/l

Rothwell

Leeds · 263.71 mg/l

Brecks

Rotherham · 263.71 mg/l

Bramley Lings

Rotherham · 263.71 mg/l

Broom

Rotherham · 263.71 mg/l

Church Field

Rotherham · 263.71 mg/l

Herringthorpe

Rotherham · 263.71 mg/l

Lings Common

Rotherham · 263.71 mg/l

Little Hay Nooking

Rotherham · 263.71 mg/l

Wheatley Park

Doncaster · 263.46 mg/l

Redbrook

Barnsley · 262.21 mg/l

Swainby

North Yorkshire · 262.21 mg/l

Heworth

North Yorkshire · 261.71 mg/l

Beverley Rural

East Riding of Yorkshire · 261.46 mg/l

Anlaby

East Riding of Yorkshire · 259.9 mg/l

Anlaby Common

City of Kingston upon Hull · 259.9 mg/l

Anlaby Park

City of Kingston upon Hull · 259.9 mg/l

East Ella

City of Kingston upon Hull · 259.9 mg/l

North Ella

East Riding of Yorkshire · 259.9 mg/l

Stepney

City of Kingston upon Hull · 259.9 mg/l

Willerby Bottom

East Riding of Yorkshire · 259.9 mg/l

Wolfreton

East Riding of Yorkshire · 259.9 mg/l

Burneston

North Yorkshire · 259.71 mg/l

Carthorpe

North Yorkshire · 259.71 mg/l

Kirklington

North Yorkshire · 259.71 mg/l

Leeming

North Yorkshire · 259.71 mg/l

Londonderry

North Yorkshire · 259.71 mg/l

Wath

North Yorkshire · 259.71 mg/l

Selby East

North Yorkshire · 259.46 mg/l

Dewsbury

Kirklees · 259.21 mg/l

Ossett

Wakefield · 259.21 mg/l

Nether Poppleton

York · 258.88 mg/l

Sculcoates

City of Kingston upon Hull · 257.53 mg/l

Cayton

North Yorkshire · 257.22 mg/l

Sheriff Hutton & Derwent

North Yorkshire · 255.97 mg/l

Bentley

Doncaster · 255.55 mg/l

Conisbrough

Doncaster · 255.55 mg/l

Barnburgh

Doncaster · 255.55 mg/l

Cadeby

Doncaster · 255.55 mg/l

Denaby Main

Doncaster · 255.55 mg/l

Harlington

Doncaster · 255.55 mg/l

High Melton

Doncaster · 255.55 mg/l

Sprotbrough

Doncaster · 255.55 mg/l

Warmsworth

Doncaster · 255.55 mg/l

Balby

Doncaster · 255.55 mg/l

Bentley Rise

Doncaster · 255.55 mg/l

Conanby

Doncaster · 255.55 mg/l

Hexthorpe

Doncaster · 255.55 mg/l

Sprotbrough Park

Doncaster · 255.55 mg/l

Arksey

Doncaster · 254.72 mg/l

Barnby Dun

Doncaster · 254.72 mg/l

Braithwaite

Doncaster · 254.72 mg/l

Far Bank

Doncaster · 254.72 mg/l

Fishlake

Doncaster · 254.72 mg/l

Kirkhouse Green

Doncaster · 254.72 mg/l

Moorends

Doncaster · 254.72 mg/l

Stainforth

Doncaster · 254.72 mg/l

Long Sandall

Doncaster · 254.72 mg/l

Stockbridge

Doncaster · 254.72 mg/l

Doncaster

Doncaster · 254.47 mg/l

Hyde Park

Doncaster · 254.47 mg/l

Handsworth

Sheffield · 252.22 mg/l

Whiston

Rotherham · 251.22 mg/l

Moorgate

Rotherham · 251.22 mg/l

Copt Hewick

North Yorkshire · 250.97 mg/l

Great Houghton

Barnsley · 249.22 mg/l

Cundy Cross

Barnsley · 249.22 mg/l

Lundwood

Barnsley · 249.22 mg/l

Monk Bretton

Barnsley · 249.22 mg/l

West Green

Barnsley · 249.22 mg/l

Crowle

North Lincolnshire · 248.97 mg/l

Epworth

North Lincolnshire · 248.97 mg/l

Kirton in Lindsey

North Lincolnshire · 248.97 mg/l

Thorne

Doncaster · 248.97 mg/l

Armthorpe

Doncaster · 248.97 mg/l

Dunscroft

Doncaster · 248.97 mg/l

Dunsville

Doncaster · 248.97 mg/l

Edenthorpe

Doncaster · 248.97 mg/l

Hatfield

Doncaster · 248.97 mg/l

Hatfield Woodhouse

Doncaster · 248.97 mg/l

Kirk Sandall

Doncaster · 248.97 mg/l

West End

Doncaster · 248.97 mg/l

The Lings

Doncaster · 248.97 mg/l

Wheatley Hills

Doncaster · 248.97 mg/l

Wheatley

Doncaster · 248.1 mg/l

Appleton Roebuck & Church Fenton

North Yorkshire · 246.35 mg/l

Wakefield

Wakefield · 244.98 mg/l

Brooks Bank

Wakefield · 244.98 mg/l

Clayton Hill

Wakefield · 244.98 mg/l

New Brighton

Wakefield · 244.98 mg/l

New Scarborough

Wakefield · 244.98 mg/l

Primrose Hill

Wakefield · 244.98 mg/l

St Johns

Wakefield · 244.98 mg/l

Westgate Common

Wakefield · 244.98 mg/l

York

York · 243.23 mg/l

Wombwell

Barnsley · 243.18 mg/l

Brigg

North Lincolnshire · 242.73 mg/l

Winterton

North Lincolnshire · 242.73 mg/l

Burley

Leeds · 241.98 mg/l

Easingwold

North Yorkshire · 241.36 mg/l

Scunthorpe

North Lincolnshire · 241.23 mg/l

Huby & Tollerton

North Yorkshire · 235.74 mg/l

Heworth

York · 234.18 mg/l

Tang Hall

York · 234.18 mg/l

Hall Cliffe

Wakefield · 230.99 mg/l

Adwick le Street

Doncaster · 226.67 mg/l

South Elmsall

Wakefield · 226.67 mg/l

Hemsworth

Wakefield · 226.5 mg/l

Royston

Barnsley · 226.5 mg/l

South Kirkby

Wakefield · 226.5 mg/l

Melmerby

North Yorkshire · 225.63 mg/l

Dalton

Rotherham · 221.61 mg/l

Dalton Parva

Rotherham · 221.61 mg/l

East Dene

Rotherham · 221.61 mg/l

East Herringthorpe

Rotherham · 221.61 mg/l

Eastwood

Rotherham · 221.61 mg/l

Worsbrough Village

Barnsley · 220.59 mg/l

Sharow

North Yorkshire · 220.19 mg/l

Honeywell

Barnsley · 220.01 mg/l

Hoyle Mill

Barnsley · 220.01 mg/l

North Holderness

East Riding of Yorkshire · 219.67 mg/l

Stainborough

Barnsley · 218.26 mg/l

Nether Haugh

Rotherham · 217.51 mg/l

Higher Stubbin

Rotherham · 217.51 mg/l

Low Stubbin

Rotherham · 217.51 mg/l

Newhill

Rotherham · 217.51 mg/l

Upper Haugh

Rotherham · 217.51 mg/l

West Melton

Rotherham · 217.51 mg/l

Westfield

Rotherham · 217.51 mg/l

Penistone

Barnsley · 216.51 mg/l

Stocksbridge

Sheffield · 216.51 mg/l

Barnsley

Barnsley · 211.52 mg/l

Belle Vue

Doncaster · 211.52 mg/l

Old Town

Barnsley · 211.52 mg/l

Gateway Plaza

Barnsley · 211.52 mg/l

Worsbrough

Barnsley · 209.85 mg/l

Worsbrough Bridge

Barnsley · 209.85 mg/l

Bishopthorpe

York · 207.02 mg/l

Newby

North Yorkshire · 206.52 mg/l

Clifton

York · 206.27 mg/l

Cross Gates & Whinmoor

West Yorkshire · 204.02 mg/l

South East Holderness

East Riding of Yorkshire · 203.77 mg/l

Marton-le-Moor

North Yorkshire · 203.03 mg/l

Potternewton

Leeds · 202.53 mg/l

Adel East Moor

Leeds · 200.4 mg/l

Meanwood

Leeds · 200.4 mg/l

Pinders Fields

Wakefield · 200.28 mg/l

Woodlands

North Yorkshire · 199.03 mg/l

Moderately Hard

Castle

North Yorkshire · 194.78 mg/l

Moderately Hard

Rural West York

North Yorkshire · 192.66 mg/l

Moderately Hard

Hunmanby & Sherburn

North Yorkshire · 188.04 mg/l

Moderately Hard

Heeley

Sheffield · 185.84 mg/l

Moderately Hard

Highfield

Sheffield · 185.84 mg/l

Moderately Hard

Lowfield

Sheffield · 185.84 mg/l

Moderately Hard

Bolton upon Dearne

Barnsley · 184.55 mg/l

Moderately Hard

Goldthorpe

Barnsley · 184.55 mg/l

Moderately Hard

Rawmarsh

Rotherham · 184.55 mg/l

Moderately Hard

Thurnscoe

Barnsley · 184.55 mg/l

Moderately Hard

Wath upon Dearne

Rotherham · 184.55 mg/l

Moderately Hard

Boroughbridge & Claro

North Yorkshire · 180.3 mg/l

Moderately Hard

Northfield

Rotherham · 177.3 mg/l

Moderately Hard

St Ann's

Rotherham · 177.3 mg/l

Moderately Hard

Bradgate

Rotherham · 176.31 mg/l

Moderately Hard

Holmes

Rotherham · 176.31 mg/l

Moderately Hard

Kimberworth

Rotherham · 176.31 mg/l

Moderately Hard

Holderness

East Riding of Yorkshire · 172.56 mg/l

Moderately Hard

Kirkburton

Kirklees · 172.06 mg/l

Moderately Hard

Lane Head

Kirklees · 172.06 mg/l

Moderately Hard

Netherton

Kirklees · 172.06 mg/l

Moderately Hard

Riley

Kirklees · 172.06 mg/l

Moderately Hard

Buslingthorpe

Leeds · 170.06 mg/l

Moderately Hard

Scott Hall

Leeds · 170.06 mg/l

Moderately Hard

Woodhouse Carr

Leeds · 170.06 mg/l

Moderately Hard

Arbourthorne

Sheffield · 169.77 mg/l

Moderately Hard

Sheffield Park

Sheffield · 169.77 mg/l

Moderately Hard

East Ardsley

Leeds · 165.32 mg/l

Moderately Hard

Robin Hood

Leeds · 165.32 mg/l

Moderately Hard

Thorpe on the Hill

Leeds · 165.32 mg/l

Moderately Hard

Black Gates

Leeds · 165.32 mg/l

Moderately Hard

Common Side

Leeds · 165.32 mg/l

Moderately Hard

Nook

Leeds · 165.32 mg/l

Moderately Hard

Westerton

Leeds · 165.32 mg/l

Moderately Hard

Holmfirth

Kirklees · 165.19 mg/l

Moderately Hard

Hade Edge

Kirklees · 165.19 mg/l

Moderately Hard

Gully

Kirklees · 165.19 mg/l

Moderately Hard

New Gate

Kirklees · 165.19 mg/l

Moderately Hard

Under Bank

Kirklees · 165.19 mg/l

Moderately Hard

Under Hill

Kirklees · 165.19 mg/l

Moderately Hard

Northstead

North Yorkshire · 161.57 mg/l

Moderately Hard

Middleton Park

West Yorkshire · 161.07 mg/l

Moderately Hard

Adel & Wharfedale

West Yorkshire · 159.74 mg/l

Moderately Hard

Bank

Leeds · 159.52 mg/l

Moderately Hard

Batley

Kirklees · 158.91 mg/l

Moderately Hard

Morley

Leeds · 158.91 mg/l

Moderately Hard

Leeds

Leeds · 154.92 mg/l

Moderately Hard

Bagby Fields

Leeds · 154.92 mg/l

Moderately Hard

Little London

Leeds · 154.92 mg/l

Moderately Hard

The Leylands

Leeds · 154.92 mg/l

Moderately Hard

New Town

Leeds · 154.83 mg/l

Moderately Hard

Sheepscar

Leeds · 154.83 mg/l

Moderately Hard

Masham & Fountains

North Yorkshire · 154.08 mg/l

Moderately Hard

Ickles

Rotherham · 153.83 mg/l

Moderately Hard

Scotton & Lower Wensleydale

North Yorkshire · 151.58 mg/l

Moderately Hard

Garforth

Leeds · 148.42 mg/l

Atkinson Hill

Leeds · 148.42 mg/l

Brown Moor

Leeds · 148.42 mg/l

Church Garforth

Leeds · 148.42 mg/l

Colton

Leeds · 148.42 mg/l

Colton Common

Leeds · 148.42 mg/l

East Garforth

Leeds · 148.42 mg/l

John o' Gaunts

Leeds · 148.42 mg/l

Kippax Common

Leeds · 148.42 mg/l

Lidgett

Leeds · 148.42 mg/l

Moor Garforth

Leeds · 148.42 mg/l

Old Micklefield

Leeds · 148.42 mg/l

Rothwell Haigh

Leeds · 148.42 mg/l

Stourton

Leeds · 148.42 mg/l

Thwaite Gate

Leeds · 148.42 mg/l

West Garforth

Leeds · 148.42 mg/l

Camp Field

Leeds · 146.59 mg/l

Foss Islands

York · 146.34 mg/l

Layerthorpe

York · 146.34 mg/l

The Groves

York · 146.34 mg/l

Cavalier Hill

Leeds · 145.44 mg/l

Fearn's Island

Leeds · 145.44 mg/l

Richmond Hill

Leeds · 145.44 mg/l

Troydale

Leeds · 144.84 mg/l

Armley

Leeds · 144.84 mg/l

Bradley Hill

Leeds · 144.84 mg/l

Bramley

Leeds · 144.84 mg/l

Carr Crofts

Leeds · 144.84 mg/l

Farnley

Leeds · 144.84 mg/l

Gamble Hill

Leeds · 144.84 mg/l

Hough End

Leeds · 144.84 mg/l

Hough Side

Leeds · 144.84 mg/l

Lower Wortley

Leeds · 144.84 mg/l

Park Spring

Leeds · 144.84 mg/l

Silver Royd Hill

Leeds · 144.84 mg/l

Swinnow

Leeds · 144.84 mg/l

Swinnow Moor

Leeds · 144.84 mg/l

Tannery Yard

Leeds · 144.84 mg/l

Upper Armley

Leeds · 144.84 mg/l

Upper Wortley

Leeds · 144.84 mg/l

Harlow & St. Georges

North Yorkshire · 144.65 mg/l

Mabgate

Leeds · 144.04 mg/l

Quarry Hill

Leeds · 144.04 mg/l

Steander

Leeds · 144.04 mg/l

Healey

Wakefield · 143.31 mg/l

Lupset

Wakefield · 143.31 mg/l

South Ossett

Wakefield · 143.31 mg/l

Spring End

Wakefield · 143.31 mg/l

Alwoodley

West Yorkshire · 142.69 mg/l

Little Studley

North Yorkshire · 140.1 mg/l

Wakefield South

West Yorkshire · 139.61 mg/l

Huddersfield

Kirklees · 138.93 mg/l

Beeston Hill

Leeds · 138.89 mg/l

Holbeck

Leeds · 138.89 mg/l

New Wortley

Leeds · 138.16 mg/l

Carlton

Leeds · 138.1 mg/l

Lofthouse

Leeds · 138.1 mg/l

Langley

Leeds · 138.1 mg/l

Lofthouse Gate

Wakefield · 138.1 mg/l

Headingley Hill

Leeds · 135.76 mg/l

Woodhouse Cliff

Leeds · 135.76 mg/l

Sandhills

Leeds · 132.35 mg/l

Scholes

Leeds · 132.35 mg/l

Arthursdale

Leeds · 132.35 mg/l

Beechwood

Leeds · 132.35 mg/l

Harehills Corner

Leeds · 132.35 mg/l

Hollin Park

Leeds · 132.35 mg/l

Lady Wood

Leeds · 132.35 mg/l

Monkswood

Leeds · 132.35 mg/l

Oakwood

Leeds · 132.35 mg/l

Roundhay

Leeds · 132.35 mg/l

Seacroft

Leeds · 132.35 mg/l

Wellington Hill

Leeds · 132.35 mg/l

Whinmoor

Leeds · 132.35 mg/l

Upper Dales

North Yorkshire · 131.98 mg/l

Banner Cross

Sheffield · 130.76 mg/l

Brincliffe

Sheffield · 130.76 mg/l

Broomhill

Sheffield · 130.76 mg/l

Carsick

Sheffield · 130.76 mg/l

Carsick Hill

Sheffield · 130.76 mg/l

Endcliffe Crescent

Sheffield · 130.76 mg/l

Endcliffe Edge

Sheffield · 130.76 mg/l

Fulwood

Sheffield · 130.76 mg/l

Goole Green

Sheffield · 130.76 mg/l

Greystones

Sheffield · 130.76 mg/l

Greystones Cliffe

Sheffield · 130.76 mg/l

Hallam Head

Sheffield · 130.76 mg/l

Hanging Water

Sheffield · 130.76 mg/l

Lodge Moor

Sheffield · 130.76 mg/l

Nether Green

Sheffield · 130.76 mg/l

Ranmoor

Sheffield · 130.76 mg/l

Sharrow Vale

Sheffield · 130.76 mg/l

Stumperlowe

Sheffield · 130.76 mg/l

Summerfield

Sheffield · 130.76 mg/l

Tapton Hill

Sheffield · 130.76 mg/l

Pottery Field

Leeds · 129.77 mg/l

Mexborough

Doncaster · 129.11 mg/l

Hooton Roberts

Rotherham · 129.11 mg/l

Kilnhurst

Rotherham · 129.11 mg/l

Old Denaby

Doncaster · 129.11 mg/l

Ravenfield

Rotherham · 129.11 mg/l

Ravenfield Common

Rotherham · 129.11 mg/l

Thrybergh

Rotherham · 129.11 mg/l

Dolcliffe Common

Doncaster · 129.11 mg/l

Sandhill

Rotherham · 129.11 mg/l

Windhill

Doncaster · 129.11 mg/l

Barwick in Elmet

Leeds · 128.41 mg/l

Austhorpe

Leeds · 128.41 mg/l

Brianside

Leeds · 128.41 mg/l

Brooklands

Leeds · 128.41 mg/l

Burmantofts

Leeds · 128.41 mg/l

Cross Gates

Leeds · 128.41 mg/l

Fearnville

Leeds · 128.41 mg/l

Gipton

Leeds · 128.41 mg/l

Gipton Wood

Leeds · 128.41 mg/l

Graveleythorpe

Leeds · 128.41 mg/l

Harehills

Leeds · 128.41 mg/l

Killingbeck

Leeds · 128.41 mg/l

Manston

Leeds · 128.41 mg/l

Parklands

Leeds · 128.41 mg/l

Penda's Fields

Leeds · 128.41 mg/l

Stanks

Leeds · 128.41 mg/l

Swarcliffe

Leeds · 128.41 mg/l

The Green

Leeds · 128.41 mg/l

The Oval

Leeds · 128.41 mg/l

Whitkirk

Leeds · 128.41 mg/l

Whitkirk Lane End

Leeds · 128.41 mg/l

Leyburn & Middleham

North Yorkshire · 126.86 mg/l

Cross Green

Leeds · 121.37 mg/l

Halton

Leeds · 121.37 mg/l

Halton Moor

Leeds · 121.37 mg/l

Knowsthorpe

Leeds · 121.37 mg/l

Osmondthorpe

Leeds · 121.37 mg/l

Hall Bower

Kirklees · 113.12 mg/l

Cross Roads

Kirklees · 105.13 mg/l

Emley

Kirklees · 105.13 mg/l

Flockton

Kirklees · 105.13 mg/l

Lepton

Kirklees · 105.13 mg/l

Dogley Lane

Kirklees · 105.13 mg/l

Fenay Bridge

Kirklees · 105.13 mg/l

Highburton

Kirklees · 105.13 mg/l

Brinsworth

Rotherham · 104.13 mg/l

Canklow

Rotherham · 104.13 mg/l

Halifax

Calderdale · 97.21 mg/l

Moderately Soft

Claremount

Calderdale · 97.21 mg/l

Moderately Soft

Esk Valley & Coast

North Yorkshire · 96.98 mg/l

Moderately Soft

Eastbrook

Bradford · 96.83 mg/l

Moderately Soft

Pollard Park

Bradford · 96.83 mg/l

Moderately Soft

Wapping

Bradford · 96.83 mg/l

Moderately Soft

Swain Green

Bradford · 96.81 mg/l

Moderately Soft

Tyersal

Bradford · 96.81 mg/l

Moderately Soft

Town End

Kirklees · 96.79 mg/l

Moderately Soft

Cliff

Kirklees · 96.79 mg/l

Moderately Soft

New Town

Kirklees · 96.79 mg/l

Moderately Soft

Hunslet

Leeds · 96.39 mg/l

Moderately Soft

Hunslet Carr

Leeds · 96.39 mg/l

Moderately Soft

Woodhouse Hill

Leeds · 96.39 mg/l

Moderately Soft

Islington

Leeds · 95.14 mg/l

Moderately Soft

Great Horton

West Yorkshire · 94.65 mg/l

Moderately Soft

Dudley Hill

Bradford · 94.4 mg/l

Moderately Soft

East Bowling

Bradford · 94.4 mg/l

Moderately Soft

Goose Hill

Bradford · 94.4 mg/l

Moderately Soft

Tong

West Yorkshire · 94.21 mg/l

Moderately Soft

Calverley

Leeds · 93.06 mg/l

Moderately Soft

Fagley

Bradford · 93.06 mg/l

Moderately Soft

Farsley

Leeds · 93.06 mg/l

Moderately Soft

Half Mile

Leeds · 93.06 mg/l

Moderately Soft

Intake

Leeds · 93.06 mg/l

Moderately Soft

Lower Fagley

Leeds · 93.06 mg/l

Moderately Soft

Moorside

Bradford · 93.06 mg/l

Moderately Soft

Ravenscliffe

Bradford · 93.06 mg/l

Moderately Soft

Rodley

Leeds · 93.06 mg/l

Moderately Soft

Stanningley

Leeds · 93.06 mg/l

Moderately Soft

Thornbury

Bradford · 93.06 mg/l

Moderately Soft

Upper Fagley

Bradford · 93.06 mg/l

Moderately Soft

Guiseley

Leeds · 92.4 mg/l

Moderately Soft

Otley

Leeds · 92.4 mg/l

Moderately Soft

Bowling

Bradford · 91.98 mg/l

Moderately Soft

Beldon Hill

Bradford · 90.77 mg/l

Moderately Soft

Brownroyd Hill

Bradford · 90.77 mg/l

Moderately Soft

Chapel Green

Bradford · 90.77 mg/l

Moderately Soft

Great Horton

Bradford · 90.77 mg/l

Moderately Soft

Haycliffe Hill

Bradford · 90.77 mg/l

Moderately Soft

Holme

Bradford · 90.77 mg/l

Moderately Soft

Horton Bank Bottom

Bradford · 90.77 mg/l

Moderately Soft

Little Horton

Bradford · 90.77 mg/l

Moderately Soft

Low Green

Bradford · 90.77 mg/l

Moderately Soft

Marshfields

Bradford · 90.77 mg/l

Moderately Soft

Pickles Hill

Bradford · 90.77 mg/l

Moderately Soft

Scholes

Kirklees · 90.57 mg/l

Moderately Soft

Cutler Heights

Bradford · 90.23 mg/l

Moderately Soft

Tyersal Gate

Bradford · 90.23 mg/l

Moderately Soft

Arthington

Leeds · 89.34 mg/l

Moderately Soft

Alwoodley

Leeds · 89.34 mg/l

Moderately Soft

Alwoodley Gates

Leeds · 89.34 mg/l

Moderately Soft

Alwoodley Park

Leeds · 89.34 mg/l

Moderately Soft

Black Moor

Leeds · 89.34 mg/l

Moderately Soft

Camp Town

Leeds · 89.34 mg/l

Moderately Soft

Chapel Allerton

Leeds · 89.34 mg/l

Moderately Soft

Daw Cross

North Yorkshire · 89.34 mg/l

Moderately Soft

Moor Allerton

Leeds · 89.34 mg/l

Moderately Soft

Moortown

Leeds · 89.34 mg/l

Moderately Soft

Pateley Bridge & Nidderdale

North Yorkshire · 88.65 mg/l

Moderately Soft

Ripon Ure Bank & Spa

North Yorkshire · 88.4 mg/l

Moderately Soft

Low Fold

Bradford · 88.15 mg/l

Moderately Soft

Burngreave

Sheffield · 87.65 mg/l

Moderately Soft

Lower Crabtree

Sheffield · 87.65 mg/l

Moderately Soft

Pitsmoor

Sheffield · 87.65 mg/l

Moderately Soft

Woodside

Sheffield · 87.65 mg/l

Moderately Soft

Manningham

Bradford · 87.53 mg/l

Moderately Soft

Gallows Hill

North Yorkshire · 85.91 mg/l

Moderately Soft

Cragg Hill

Leeds · 85.32 mg/l

Moderately Soft

Hawksworth

Leeds · 85.32 mg/l

Moderately Soft

Headingley

Leeds · 85.32 mg/l

Moderately Soft

Kirkstall

Leeds · 85.32 mg/l

Moderately Soft

Low Fold

Leeds · 85.32 mg/l

Moderately Soft

Moorside

Leeds · 85.32 mg/l

Moderately Soft

Newlay

Leeds · 85.32 mg/l

Moderately Soft

Sandford

Leeds · 85.32 mg/l

Moderately Soft

West End

Leeds · 85.32 mg/l

Moderately Soft

Killinghall, Hampsthwaite & Saltergate

North Yorkshire · 84.91 mg/l

Moderately Soft

Staygate

Bradford · 83.78 mg/l

Moderately Soft

Holmbridge

Kirklees · 81.97 mg/l

Moderately Soft

Holme

Kirklees · 81.97 mg/l

Moderately Soft

Upperthong

Kirklees · 81.97 mg/l

Moderately Soft

Wilshaw

Kirklees · 81.97 mg/l

Moderately Soft

Burnlee

Kirklees · 81.97 mg/l

Moderately Soft

Hill

Kirklees · 81.97 mg/l

Moderately Soft

Liphill Bank

Kirklees · 81.97 mg/l

Moderately Soft

Thick Hollins

Kirklees · 81.97 mg/l

Moderately Soft

Victoria

Kirklees · 81.97 mg/l

Moderately Soft

Drighlington

Leeds · 81.53 mg/l

Moderately Soft

Tong

Bradford · 81.53 mg/l

Moderately Soft

Adwalton

Leeds · 81.53 mg/l

Moderately Soft

Bankhouse Bottom

Leeds · 81.53 mg/l

Moderately Soft

Fulneck

Leeds · 81.53 mg/l

Moderately Soft

Holme

Bradford · 81.53 mg/l

Moderately Soft

Holme Wood

Bradford · 81.53 mg/l

Moderately Soft

Nethertown

Leeds · 81.53 mg/l

Moderately Soft

Toftshaw Moor

Bradford · 81.53 mg/l

Moderately Soft

Tong Street

Bradford · 81.53 mg/l

Moderately Soft

Westgate Hill

Bradford · 81.53 mg/l

Moderately Soft

Knaresborough West

North Yorkshire · 79.87 mg/l

Moderately Soft

Brockholes

Kirklees · 79.41 mg/l

Moderately Soft

Nether Edge

Sheffield · 78.7 mg/l

Moderately Soft

Sharrow

Sheffield · 78.7 mg/l

Moderately Soft

Sharrow Head

Sheffield · 78.7 mg/l

Moderately Soft

High Harrogate & Kingsley

North Yorkshire · 78.66 mg/l

Moderately Soft

Almondbury Common

Kirklees · 78.56 mg/l

Moderately Soft

Elland

Calderdale · 77.33 mg/l

Moderately Soft

Shelf

Calderdale · 77.33 mg/l

Moderately Soft

Ainley Top

Kirklees · 77.33 mg/l

Moderately Soft

Birchencliffe

Kirklees · 77.33 mg/l

Moderately Soft

Clayton Heights

Bradford · 77.33 mg/l

Moderately Soft

Cowcliffe

Kirklees · 77.33 mg/l

Moderately Soft

Heathfield

Calderdale · 77.33 mg/l

Moderately Soft

Hill Top

Bradford · 77.33 mg/l

Moderately Soft

Hill Top

Bradford · 77.33 mg/l

Moderately Soft

Horton Bank Top

Bradford · 77.33 mg/l

Moderately Soft

Lane End

Bradford · 77.33 mg/l

Moderately Soft

Lindley

Kirklees · 77.33 mg/l

Moderately Soft

Mount

Kirklees · 77.33 mg/l

Moderately Soft

Norwood Park

Kirklees · 77.33 mg/l

Moderately Soft

Old Dolphin

Bradford · 77.33 mg/l

Moderately Soft

Prince Royd

Kirklees · 77.33 mg/l

Moderately Soft

Rosemount

Calderdale · 77.33 mg/l

Moderately Soft

Salendine Nook

Kirklees · 77.33 mg/l

Moderately Soft

Birks

Bradford · 76.87 mg/l

Moderately Soft

Brown Royd

Bradford · 76.87 mg/l

Moderately Soft

Clayton

Bradford · 76.87 mg/l

Moderately Soft

Crossley Hall

Bradford · 76.87 mg/l

Moderately Soft

Fairweather Green

Bradford · 76.87 mg/l

Moderately Soft

Green Side

Bradford · 76.87 mg/l

Moderately Soft

Horton Bank

Bradford · 76.87 mg/l

Moderately Soft

Leaventhorpe

Bradford · 76.87 mg/l

Moderately Soft

Lidget Green

Bradford · 76.87 mg/l

Moderately Soft

Lister Hills

Bradford · 76.87 mg/l

Moderately Soft

Lower Grange

Bradford · 76.87 mg/l

Moderately Soft

Paradise Green

Bradford · 76.87 mg/l

Moderately Soft

Scholemoor

Bradford · 76.87 mg/l

Moderately Soft

Town End

Bradford · 76.87 mg/l

Moderately Soft

Upper Green

Bradford · 76.87 mg/l

Moderately Soft

Pilley

Barnsley · 76.72 mg/l

Moderately Soft

Barkerend

Bradford · 76.42 mg/l

Moderately Soft

Broomfield

Sheffield · 74.67 mg/l

Moderately Soft

Bilton Grange & New Park

North Yorkshire · 73.86 mg/l

Moderately Soft

Fairfax & Starbeck

North Yorkshire · 69.8 mg/l

Moderately Soft

Thurstonland

Kirklees · 69.09 mg/l

Moderately Soft

Long Line

Sheffield · 67.74 mg/l

Moderately Soft

Abbeydale

Sheffield · 67.74 mg/l

Moderately Soft

Bents Green

Sheffield · 67.74 mg/l

Moderately Soft

Brick Houses

Sheffield · 67.74 mg/l

Moderately Soft

Carter Knowle

Sheffield · 67.74 mg/l

Moderately Soft

Causeway Head

Sheffield · 67.74 mg/l

Moderately Soft

Dore

Sheffield · 67.74 mg/l

Moderately Soft

Ecclesall

Sheffield · 67.74 mg/l

Moderately Soft

Hill Top

Sheffield · 67.74 mg/l

Moderately Soft

Little Common

Sheffield · 67.74 mg/l

Moderately Soft

Millhouses

Sheffield · 67.74 mg/l

Moderately Soft

Parkhead

Sheffield · 67.74 mg/l

Moderately Soft

Townhead

Sheffield · 67.74 mg/l

Moderately Soft

Whirlow

Sheffield · 67.74 mg/l

Moderately Soft

Ripon Minster & Moorside

North Yorkshire · 67.18 mg/l

Moderately Soft

Harrogate

North Yorkshire · 64.3 mg/l

Moderately Soft

Birdwell

Barnsley · 64.18 mg/l

Moderately Soft

Tankersley

Barnsley · 64.18 mg/l

Moderately Soft

Upper Tankersley

Barnsley · 64.18 mg/l

Moderately Soft

Mortomley

Sheffield · 64.18 mg/l

Moderately Soft

Potter Hill

Sheffield · 64.18 mg/l

Moderately Soft

Warren

Sheffield · 64.18 mg/l

Moderately Soft

Littlethorpe

North Yorkshire · 63.01 mg/l

Moderately Soft

Bradford

Bradford · 60.37 mg/l

Moderately Soft

Dirk Hill

Bradford · 60.37 mg/l

Moderately Soft

Little Horton Green

Bradford · 60.37 mg/l

Moderately Soft

Shearbridge

Bradford · 60.37 mg/l

Moderately Soft

West Bowling

Bradford · 60.06 mg/l

Moderately Soft

Whitby West

North Yorkshire · 59.93 mg/l

Moderately Soft

Ecclesfield

Sheffield · 59.75 mg/l

Moderately Soft

Longley Estate

Sheffield · 59.75 mg/l

Moderately Soft

Shirecliffe

Sheffield · 59.75 mg/l

Moderately Soft

Knaresborough East

North Yorkshire · 59.18 mg/l

Moderately Soft

Stray, Woodlands & Hookstone

North Yorkshire · 58.93 mg/l

Moderately Soft

Wetherby

Leeds · 57.94 mg/l

Moderately Soft

Gledhow

Leeds · 57.94 mg/l

Moderately Soft

Hallfield

Leeds · 57.94 mg/l

Moderately Soft

Lidgett Park

Leeds · 57.94 mg/l

Moderately Soft

Micklethwaite Village

Leeds · 57.94 mg/l

Moderately Soft

Park Villas

Leeds · 57.94 mg/l

Moderately Soft

Raby Park

Leeds · 57.94 mg/l

Moderately Soft

Slaid Hill

Leeds · 57.94 mg/l

Moderately Soft

Penistone West

South Yorkshire · 57.85 mg/l

Moderately Soft

Stocksbridge and Upper Don

South Yorkshire · 57.69 mg/l

Moderately Soft

Gildersome

Leeds · 56.44 mg/l

Moderately Soft

Bruntcliffe

Leeds · 56.44 mg/l

Moderately Soft

Churwell

Leeds · 56.44 mg/l

Moderately Soft

Cockersdale

Leeds · 56.44 mg/l

Moderately Soft

Far Royds

Leeds · 56.44 mg/l

Moderately Soft

Greystone

Leeds · 56.44 mg/l

Moderately Soft

Howden Clough

Kirklees · 56.44 mg/l

Moderately Soft

Low Moor Side

Leeds · 56.44 mg/l

Moderately Soft

Moor Head

Leeds · 56.44 mg/l

Moderately Soft

Morley Hole

Leeds · 56.44 mg/l

Moderately Soft

New Blackpool

Leeds · 56.44 mg/l

Moderately Soft

New Farnley

Leeds · 56.44 mg/l

Moderately Soft

Roker Lane Bottom

Leeds · 56.44 mg/l

Moderately Soft

Scott Green

Leeds · 56.44 mg/l

Moderately Soft

Upper Moor Side

Leeds · 56.44 mg/l

Moderately Soft

Hyde Park

Leeds · 55.69 mg/l

Moderately Soft

Woodhouse

Leeds · 55.69 mg/l

Moderately Soft

Yeadon

Leeds · 55.19 mg/l

Moderately Soft

Apperley Bridge

Bradford · 55.19 mg/l

Moderately Soft

Bank Top

Bradford · 55.19 mg/l

Moderately Soft

Bolton

Bradford · 55.19 mg/l

Moderately Soft

Bolton Outlanes

Bradford · 55.19 mg/l

Moderately Soft

Eccleshill

Bradford · 55.19 mg/l

Moderately Soft

Fourlands

Bradford · 55.19 mg/l

Moderately Soft

Greengates

Bradford · 55.19 mg/l

Moderately Soft

Haigh Fold

Bradford · 55.19 mg/l

Moderately Soft

Henshaw

Leeds · 55.19 mg/l

Moderately Soft

Rufford Park

Leeds · 55.19 mg/l

Moderately Soft

Springfield

Bradford · 55.19 mg/l

Moderately Soft

Thorpe Edge

Bradford · 55.19 mg/l

Moderately Soft

Undercliffe

Bradford · 55.19 mg/l

Moderately Soft

Farnley Tyas

Kirklees · 55.11 mg/l

Moderately Soft

Lydgate

Kirklees · 54.69 mg/l

Moderately Soft

Wooldale

Kirklees · 54.69 mg/l

Moderately Soft

Hollow Meadows

Sheffield · 54.56 mg/l

Moderately Soft

Denby Dale

Kirklees · 53.94 mg/l

Moderately Soft

Lower Cumberworth

Kirklees · 53.94 mg/l

Moderately Soft

Shelley

Kirklees · 53.94 mg/l

Moderately Soft

Shepley

Kirklees · 53.94 mg/l

Moderately Soft

Skelmanthorpe

Kirklees · 53.94 mg/l

Moderately Soft

Stocksmoor

Kirklees · 53.94 mg/l

Moderately Soft

Causeway Foot

Kirklees · 53.94 mg/l

Moderately Soft

Kitchenroyd

Kirklees · 53.94 mg/l

Moderately Soft

Blacker Hill

Barnsley · 53.69 mg/l

Moderately Soft

Hanging Stone

Kirklees · 53.69 mg/l

Moderately Soft

Hoyland Common

Barnsley · 53.69 mg/l

Moderately Soft

Milton

Barnsley · 53.69 mg/l

Moderately Soft

Crosland Moor and Netherton

West Yorkshire · 52.86 mg/l

Moderately Soft

Brighouse

Calderdale · 51.63 mg/l

Moderately Soft

Brookfoot

Calderdale · 51.63 mg/l

Moderately Soft

Clifton

Calderdale · 51.63 mg/l

Moderately Soft

Hove Edge

Calderdale · 51.63 mg/l

Moderately Soft

Lightcliffe

Calderdale · 51.63 mg/l

Moderately Soft

Slead Syke

Calderdale · 51.63 mg/l

Moderately Soft

Southowram

Calderdale · 51.63 mg/l

Moderately Soft

Pudsey

Leeds · 50.94 mg/l

Moderately Soft

Bradford Moor

Bradford · 50.94 mg/l

Moderately Soft

Crimbles

Leeds · 50.94 mg/l

Moderately Soft

Delph End

Leeds · 50.94 mg/l

Moderately Soft

Hillfoot

Leeds · 50.94 mg/l

Moderately Soft

Laisterdyke

Bradford · 50.94 mg/l

Moderately Soft

Littlemoor Bottom

Leeds · 50.94 mg/l

Moderately Soft

Round Hill

Leeds · 50.94 mg/l

Moderately Soft

Windmill Hill

Leeds · 50.94 mg/l

Moderately Soft

Allerton

Bradford · 50.86 mg/l

Moderately Soft

Daisy Hill

Bradford · 50.86 mg/l

Moderately Soft

Four Lane Ends

Bradford · 50.86 mg/l

Moderately Soft

Girlington

Bradford · 50.86 mg/l

Moderately Soft

Stony Lane

Bradford · 50.86 mg/l

Moderately Soft

Ashenhurst

Kirklees · 50.44 mg/l

Moderately Soft

Aspley

Kirklees · 50.44 mg/l

Moderately Soft

Benomley

Kirklees · 50.44 mg/l

Moderately Soft

Longley

Kirklees · 50.44 mg/l

Moderately Soft

Oldfield

Kirklees · 49.51 mg/l

Netherton

Kirklees · 49.5 mg/l

Little Sheffield

Sheffield · 49.5 mg/l

Aire Valley

North Yorkshire · 49.45 mg/l

Mirfield

Kirklees · 49.2 mg/l

Parkside

Bradford · 48.7 mg/l

Norwood Green

Calderdale · 48.32 mg/l

Bailiff Bridge

Calderdale · 48.32 mg/l

Beck Hill

Bradford · 48.32 mg/l

Buttershaw

Bradford · 48.32 mg/l

Carr House Gate

Bradford · 48.32 mg/l

Delph Hill

Bradford · 48.32 mg/l

Low Moor

Bradford · 48.32 mg/l

Moor Top

Bradford · 48.32 mg/l

Slack Side

Bradford · 48.32 mg/l

Upper Common

Bradford · 48.32 mg/l

Upper Wyke

Bradford · 48.32 mg/l

Wibsey Slack

Bradford · 48.32 mg/l

Woodside

Bradford · 48.32 mg/l

Wyke

Bradford · 48.32 mg/l

Birkenshaw

Kirklees · 48.07 mg/l

Whitby Streonshalh

North Yorkshire · 47.95 mg/l

Broomfields

Bradford · 47.57 mg/l

Ripleyville

Bradford · 47.57 mg/l

Lumbrook

Calderdale · 47.39 mg/l

Hipperholme

Calderdale · 47.39 mg/l

Todmorden

Calderdale · 46.3 mg/l

Sheffield

Sheffield · 46.2 mg/l

Kelham Island

Sheffield · 46.2 mg/l

Neepsend

Sheffield · 46.2 mg/l

Netherthorpe

Sheffield · 46.2 mg/l

Philadelphia

Sheffield · 46.2 mg/l

Port Mahon

Sheffield · 46.2 mg/l

Upperthorpe

Sheffield · 46.2 mg/l

Bedale

North Yorkshire · 45.87 mg/l

Masham

North Yorkshire · 45.87 mg/l

Holywell Green

Calderdale · 45.39 mg/l

Sowerby Bridge

Calderdale · 42.7 mg/l

Beechwood

Calderdale · 42.7 mg/l

King Cross

Calderdale · 42.7 mg/l

Pye Nest

Calderdale · 42.7 mg/l

Skircoat Green

Calderdale · 42.7 mg/l

Sowerby

Calderdale · 42.7 mg/l

Netherthong

Kirklees · 40.38 mg/l

Thongsbridge

Kirklees · 40.38 mg/l

Ovenden Wood

Calderdale · 37.5 mg/l

Southey Green

Sheffield · 36.56 mg/l

Firth Park

Sheffield · 36.47 mg/l

Grange Lane

Sheffield · 36.47 mg/l

Grimesthorpe

Sheffield · 36.47 mg/l

High Wincobank

Sheffield · 36.47 mg/l

Pismire Hill

Sheffield · 36.47 mg/l

Wincobank

Sheffield · 36.47 mg/l

Akroydon

Calderdale · 35.71 mg/l

Boothtown

Calderdale · 35.71 mg/l

Lee Mount

Calderdale · 35.71 mg/l

Exley

Calderdale · 34.84 mg/l

Salterhebble

Calderdale · 34.84 mg/l

West Vale

Calderdale · 34.84 mg/l

Greetland and Stainland

West Yorkshire · 33.64 mg/l

Bank Top

Calderdale · 33.21 mg/l

Fourlane Ends

Sheffield · 33.17 mg/l

Meersbrook

Sheffield · 33.17 mg/l

Meersbrook Bank

Sheffield · 33.17 mg/l

Norton Hammer

Sheffield · 33.17 mg/l

Norton Lees

Sheffield · 33.17 mg/l

Siddal

Calderdale · 29.47 mg/l

Hebden Bridge

Calderdale · 28.47 mg/l

Low Fields

Calderdale · 26.72 mg/l

Attercliffe Hill Top

Sheffield · 26.48 mg/l

Brightside

Sheffield · 26.48 mg/l

Carbrook

Sheffield · 26.48 mg/l

Greenland

Sheffield · 26.48 mg/l

Cleckheaton

Kirklees · 26.47 mg/l

Heckmondwike

Kirklees · 26.47 mg/l

Liversedge

Kirklees · 26.47 mg/l

Fir Vale

Sheffield · 26.45 mg/l

Sheffield Lane Top

Sheffield · 26.45 mg/l

Shiregreen

Sheffield · 26.45 mg/l

Upper Crabtree

Sheffield · 26.45 mg/l

Park Hill

Sheffield · 25.87 mg/l

Richmond

South Yorkshire · 24.01 mg/l

Hillfoot

Sheffield · 23.35 mg/l

Lower Walkley

Sheffield · 23.35 mg/l

Malinbridge

Sheffield · 23.35 mg/l

Walkley

Sheffield · 23.35 mg/l

Walkley Bank

Sheffield · 23.35 mg/l

Woodland View

Sheffield · 23.35 mg/l

Northowram

Calderdale · 22.91 mg/l

Stump Cross

Calderdale · 22.91 mg/l

Wakefield Rural

West Yorkshire · 22.35 mg/l

Worrall

Sheffield · 22.09 mg/l

Boulder Hill

Sheffield · 22.09 mg/l

Hallowmoor

Sheffield · 22.09 mg/l

Loxley

Sheffield · 22.09 mg/l

Loxley Bottom

Sheffield · 22.09 mg/l

Middlewood

Sheffield · 22.09 mg/l

Normandale

Sheffield · 22.09 mg/l

Owlerton

Sheffield · 22.09 mg/l

Studfield Hill

Sheffield · 22.09 mg/l

Wadsley

Sheffield · 22.09 mg/l

Wisewood

Sheffield · 22.09 mg/l

Meltham

Kirklees · 21.84 mg/l

Highfields

Kirklees · 21.84 mg/l

Mill Stables

Kirklees · 21.84 mg/l

Skipton North & Embsay-with-Eastby

North Yorkshire · 21.48 mg/l

Attercliffe

Sheffield · 20.66 mg/l

Cricket Houses

Sheffield · 20.66 mg/l

Darnall

Sheffield · 20.66 mg/l

Handsworth Hill

Sheffield · 20.66 mg/l

Manor Park

Sheffield · 20.66 mg/l

Wybourn

Sheffield · 20.66 mg/l

Grenoside

Sheffield · 20.56 mg/l

Oughtibridge

Sheffield · 20.56 mg/l

Wharncliffe Side

Sheffield · 20.56 mg/l

Birley Carr

Sheffield · 20.56 mg/l

Birley Edge

Sheffield · 20.56 mg/l

Burncross

Sheffield · 20.56 mg/l

Charltonbrook

Sheffield · 20.56 mg/l

Parson Cross

Sheffield · 20.56 mg/l

The Wheel

Sheffield · 20.56 mg/l

Wadsley Bridge

Sheffield · 20.56 mg/l

Mid Craven

North Yorkshire · 19.73 mg/l

Calder Grove

Wakefield · 19.31 mg/l

Chapelthorpe

Wakefield · 19.31 mg/l

Crigglestone

Wakefield · 19.31 mg/l

Hall Green

Wakefield · 19.31 mg/l

Midgley

Wakefield · 19.31 mg/l

Newmillerdam

Wakefield · 19.31 mg/l

West Bretton

Wakefield · 19.31 mg/l

Woolley

Wakefield · 19.31 mg/l

Hill Top

Wakefield · 19.31 mg/l

Hollingthorpe

Wakefield · 19.31 mg/l

Kettlethorpe

Wakefield · 19.31 mg/l

Pledwick

Wakefield · 19.31 mg/l

Bentham & Ingleton

North Yorkshire · 18.64 mg/l

Studley Roger

North Yorkshire · 18.4 mg/l

Skipton

North Yorkshire · 17.13 mg/l

Ripon

North Yorkshire · 0 mg/l

Baildon

Bradford · 0 mg/l

Bingley

Bradford · 0 mg/l

Boroughbridge

North Yorkshire · 0 mg/l

Hedon

East Riding of Yorkshire · 0 mg/l

Horbury

Wakefield · 0 mg/l

Ilkley

Bradford · 0 mg/l

Keighley

Bradford · 0 mg/l

Knaresborough

North Yorkshire · 0 mg/l

Shipley

Bradford · 0 mg/l

Silsden

Bradford · 0 mg/l

Tadcaster

North Yorkshire · 0 mg/l

Thirsk

North Yorkshire · 0 mg/l

Asenby

North Yorkshire · 0 mg/l

Bishop Monkton

North Yorkshire · 0 mg/l

Carlton Husthwaite

North Yorkshire · 0 mg/l

Cundall

North Yorkshire · 0 mg/l

Dishforth

North Yorkshire · 0 mg/l

Dunnington

York · 0 mg/l

Elland Lower Edge

Calderdale · 0 mg/l

Elland Upper Edge

Calderdale · 0 mg/l

Escrick

North Yorkshire · 0 mg/l

Fangfoss

East Riding of Yorkshire · 0 mg/l

Full Sutton

East Riding of Yorkshire · 0 mg/l

Galphay

North Yorkshire · 0 mg/l

Gate Helmsley

North Yorkshire · 0 mg/l

Greasbrough

Rotherham · 0 mg/l

High Catton

East Riding of Yorkshire · 0 mg/l

Holtby

York · 0 mg/l

Honley

Kirklees · 0 mg/l

Hutton Sessay

North Yorkshire · 0 mg/l

Kirkby Malzeard

North Yorkshire · 0 mg/l

Knapton

York · 0 mg/l

Laverton

North Yorkshire · 0 mg/l

Low Catton

East Riding of Yorkshire · 0 mg/l

Murton

York · 0 mg/l

Rainton

North Yorkshire · 0 mg/l

Raskelf

North Yorkshire · 0 mg/l

Scholes

Rotherham · 0 mg/l

Sessay

North Yorkshire · 0 mg/l

Skelton

York · 0 mg/l

Skirpenbeck

East Riding of Yorkshire · 0 mg/l

Stamford Bridge

East Riding of Yorkshire · 0 mg/l

Thormanby

North Yorkshire · 0 mg/l

Topcliffe

North Yorkshire · 0 mg/l

Warthill

North Yorkshire · 0 mg/l

Winksley

North Yorkshire · 0 mg/l

Addingford

Wakefield · 0 mg/l

Bankfoot

Bradford · 0 mg/l

Bilton

North Yorkshire · 0 mg/l

Camp Close

North Yorkshire · 0 mg/l

Charlestown

Bradford · 0 mg/l

Dairycoates

City of Kingston upon Hull · 0 mg/l

Deep Pit

Sheffield · 0 mg/l

Dropping Well

Rotherham · 0 mg/l

East End

East Riding of Yorkshire · 0 mg/l

Fixby

Kirklees · 0 mg/l

Fox Royd

Kirklees · 0 mg/l

Great Field

City of Kingston upon Hull · 0 mg/l

Hay Marsh

East Riding of Yorkshire · 0 mg/l

Heaton Grove

Bradford · 0 mg/l

High Harrogate

North Yorkshire · 0 mg/l

Hill Top

Kirklees · 0 mg/l

Horbury Bridge

Wakefield · 0 mg/l

Horbury Junction

Wakefield · 0 mg/l

Kendray

Barnsley · 0 mg/l

Keppel's Column

Rotherham · 0 mg/l

Kimberworth Park

Rotherham · 0 mg/l

Lakeside Village

Doncaster · 0 mg/l

Lane End

Sheffield · 0 mg/l

Mag Dale

Kirklees · 0 mg/l

Marfleet

City of Kingston upon Hull · 0 mg/l

Measborough Dike

Barnsley · 0 mg/l

Netheroyd Hill

Kirklees · 0 mg/l

Newtown

Kirklees · 0 mg/l

Ouse Acres

York · 0 mg/l

Overthorpe

Kirklees · 0 mg/l

Parkgate

Rotherham · 0 mg/l

Pogmoor

Barnsley · 0 mg/l

Rastrick

Calderdale · 0 mg/l

Salt End

East Riding of Yorkshire · 0 mg/l

Thornes

Wakefield · 0 mg/l

Thornhill

Kirklees · 0 mg/l

Thornhill Edge

Kirklees · 0 mg/l

Truncliffe

Bradford · 0 mg/l

West End

East Riding of Yorkshire · 0 mg/l

Wibsey

Bradford · 0 mg/l

Windhill

Bradford · 0 mg/l

Wingfield

Rotherham · 0 mg/l

Wood End

Bradford · 0 mg/l

Woodhouse

Calderdale · 0 mg/l

Woodlands

North Yorkshire · 0 mg/l

Woolgreaves

Wakefield · 0 mg/l

Worsbrough Common

Barnsley · 0 mg/l

Belford

North Yorkshire · 0 mg/l

Fawdington

North Yorkshire · 0 mg/l

Greygarth

North Yorkshire · 0 mg/l

Lisle Court

City of Kingston upon Hull · 0 mg/l

Stainmoor

North Yorkshire · 0 mg/l

Trinity Court

City of Kingston upon Hull · 0 mg/l

Acomb

North Yorkshire · 0 mg/l

Aiskew & Leeming

North Yorkshire · 0 mg/l

Barlby & Riccall

North Yorkshire · 0 mg/l

Boston Castle

South Yorkshire · 0 mg/l

Bramley & Ravenfield

South Yorkshire · 0 mg/l

Brayton & Barlow

North Yorkshire · 0 mg/l

Burmantofts & Richmond Hill

West Yorkshire · 0 mg/l

Clayton and Fairweather Green

West Yorkshire · 0 mg/l

Copmanthorpe

North Yorkshire · 0 mg/l

Cottingham North

East Riding of Yorkshire · 0 mg/l

Edenthorpe & Kirk Sandall

South Yorkshire · 0 mg/l

Fulford & Heslington

North Yorkshire · 0 mg/l

Hellaby & Maltby West

South Yorkshire · 0 mg/l

Hutton Rudby & Osmotherley

North Yorkshire · 0 mg/l

Kingswood

East Riding of Yorkshire · 0 mg/l

North Richmondshire

North Yorkshire · 0 mg/l

Oatlands & Pannal

North Yorkshire · 0 mg/l

Ossett

West Yorkshire · 0 mg/l

Scalby & the Coast

North Yorkshire · 0 mg/l

Skipton West & West Craven

North Yorkshire · 0 mg/l

Spofforth with Lower Wharfedale & Tockwith

North Yorkshire · 0 mg/l

Thorpe Willoughby & Hambleton

North Yorkshire · 0 mg/l

Tranby

East Riding of Yorkshire · 0 mg/l

Washburn & Birstwith

North Yorkshire · 0 mg/l

Wharfedale

North Yorkshire · 0 mg/l

North West England

Avg: 117 mg/l · Slightly Hard

Birkdale

Merseyside · 329.8 mg/l

Rural West

Lancashire · 320.5 mg/l

Ormskirk West

Lancashire · 317.7 mg/l

North Meols & Hesketh Bank

Lancashire · 310.4 mg/l

Rural South

Lancashire · 308.7 mg/l

Norwood

Merseyside · 304.2 mg/l

Kew

Merseyside · 303.4 mg/l

Cambridge

Merseyside · 300.8 mg/l

Burscough Town

Lancashire · 298.9 mg/l

Duke's

Merseyside · 298.8 mg/l

Meols

Merseyside · 298.8 mg/l

Highfield, Halton

Halton · 297.9 mg/l

Oxton

Merseyside · 296.2 mg/l

Ditton, Hale Village & Halebank

Halton · 295.2 mg/l

Old Skelmersdale

Lancashire · 289.4 mg/l

Tarleton Village

Lancashire · 288.7 mg/l

Newton-le-Willows East

Merseyside · 287.6 mg/l

Hough Green

Halton · 281.8 mg/l

Burscough Bridge & Rufford

Lancashire · 269.7 mg/l

Ormskirk East

Lancashire · 267 mg/l

Hoylake and Meols

Merseyside · 260.6 mg/l

Orford

Warrington · 250.9 mg/l

Birkenhead and Tranmere

Merseyside · 238.9 mg/l

Rock Ferry

Merseyside · 211.3 mg/l

Tithebarn

Lancashire · 209.6 mg/l

Birchwood

Warrington · 205.6 mg/l

Mount

Lancashire · 204.9 mg/l

Tanhouse & Skelmersdale Town Centre

Lancashire · 204.4 mg/l

Warren

Lancashire · 201 mg/l

Strawberry

Cheshire · 197.5 mg/l

Moderately Hard

Grappenhall

Warrington · 196.3 mg/l

Moderately Hard

Lymm North and Thelwall

Warrington · 195.5 mg/l

Moderately Hard

Pharos

Lancashire · 194.3 mg/l

Moderately Hard

Brock with Catterall

Lancashire · 189.8 mg/l

Moderately Hard

Hardhorn with High Cross

Lancashire · 189 mg/l

Moderately Hard

Whitby Groves

Cheshire · 187.8 mg/l

Moderately Hard

Birchfield

Halton · 186.2 mg/l

Moderately Hard

Garstang

Lancashire · 183.9 mg/l

Moderately Hard

Carleton

Lancashire · 183.1 mg/l

Moderately Hard

Jubilee

Lancashire · 182.4 mg/l

Moderately Hard

Victoria & Norcross

Lancashire · 180.7 mg/l

Moderately Hard

Breck

Lancashire · 180.1 mg/l

Moderately Hard

Layton

Blackpool · 178.4 mg/l

Moderately Hard

Pheasant's Wood

Lancashire · 178.2 mg/l

Moderately Hard

Fairfield and Howley

Warrington · 176.7 mg/l

Moderately Hard

Lymm South

Warrington · 176.7 mg/l

Moderately Hard

Victoria

Blackpool · 176 mg/l

Moderately Hard

Park

Lancashire · 175.8 mg/l

Moderately Hard

Central & West Bank

Halton · 173.9 mg/l

Moderately Hard

Little Neston

Cheshire · 173.9 mg/l

Moderately Hard

Parkgate

Cheshire · 173.4 mg/l

Moderately Hard

Warbreck

Blackpool · 173 mg/l

Moderately Hard

Westminster

Cheshire · 172.5 mg/l

Moderately Hard

Netherton and Orrell

Merseyside · 171.1 mg/l

Moderately Hard

Seacombe

Merseyside · 170.6 mg/l

Moderately Hard

Molyneux

Merseyside · 170.5 mg/l

Moderately Hard

Norbreck

Blackpool · 170.1 mg/l

Moderately Hard

Cleveleys Park

Lancashire · 170 mg/l

Moderately Hard

Greenlands

Blackpool · 169.9 mg/l

Moderately Hard

Rainhill

Merseyside · 169.6 mg/l

Moderately Hard

Upton, Cheshire West and Chester

Cheshire · 169.4 mg/l

Moderately Hard

Pilling

Lancashire · 169.1 mg/l

Moderately Hard

Bromborough

Merseyside · 168.9 mg/l

Moderately Hard

Halton View

Halton · 167.9 mg/l

Moderately Hard

Earnshaw Bridge

Lancashire · 167.8 mg/l

Moderately Hard

Manor

Merseyside · 166.9 mg/l

Moderately Hard

Leyland Central

Lancashire · 166.7 mg/l

Moderately Hard

Marsh Mill

Lancashire · 166.7 mg/l

Moderately Hard

Wallasey

Merseyside · 166.7 mg/l

Moderately Hard

West Park

Merseyside · 166.6 mg/l

Moderately Hard

Bispham

Blackpool · 166.4 mg/l

Moderately Hard

Mersey & Weston

Halton · 165.9 mg/l

Moderately Hard

Park, Sefton

Merseyside · 165.7 mg/l

Moderately Hard

Chapelford and Old Hall

Warrington · 165.6 mg/l

Moderately Hard

Moreton West and Saughall Massie

Merseyside · 164.5 mg/l

Moderately Hard

Litherland

Merseyside · 164.3 mg/l

Moderately Hard

Linacre

Merseyside · 162.8 mg/l

Moderately Hard

Norris Green

Merseyside · 162.5 mg/l

Moderately Hard

Thatto Heath

Merseyside · 162.1 mg/l

Moderately Hard

Tattenhall

Cheshire · 161.4 mg/l

Moderately Hard

Hawes Side

Blackpool · 161.3 mg/l

Moderately Hard

Heswall

Merseyside · 159.1 mg/l

Moderately Hard

Stanah

Lancashire · 158.7 mg/l

Moderately Hard

Sudell

Merseyside · 158.2 mg/l

Moderately Hard

Clatterbridge

Merseyside · 158.1 mg/l

Moderately Hard

Stanley

Blackpool · 158.1 mg/l

Moderately Hard

Poulton South

Warrington · 156.5 mg/l

Moderately Hard

Sutton South East

Merseyside · 155.5 mg/l

Moderately Hard

New Brighton

Merseyside · 154 mg/l

Moderately Hard

Bidston and St James

Merseyside · 153 mg/l

Moderately Hard

Calder

Lancashire · 152.7 mg/l

Moderately Hard

St Helens Town Centre

Merseyside · 152.7 mg/l

Moderately Hard

Saughall & Mollington

Cheshire · 152.6 mg/l

Moderately Hard

Greasby, Frankby and Irby

Merseyside · 151.9 mg/l

Moderately Hard

Poulton North

Warrington · 151.9 mg/l

Moderately Hard

Derby

Merseyside · 151.7 mg/l

Moderately Hard

Highfield

Blackpool · 150.9 mg/l

Moderately Hard

Leasowe and Moreton East

Merseyside · 149.1 mg/l

Great Sankey North and Whittle Hall

Warrington · 148.3 mg/l

Nantwich North and West

Cheshire · 146.7 mg/l

Buckshaw & Worden

Lancashire · 145.9 mg/l

Clifton

Blackpool · 144.5 mg/l

Talbot

Blackpool · 141.4 mg/l

Bloomfield

Blackpool · 139.7 mg/l

St Ambrose

Lancashire · 139.4 mg/l

Brownlow Hill

Merseyside · 139.2 mg/l

Broadfield

Lancashire · 138.6 mg/l

Shavington

Cheshire · 138.4 mg/l

Old Swan West

Merseyside · 138.2 mg/l

Parr

Merseyside · 137 mg/l

Netherpool

Cheshire · 136.3 mg/l

Great Sankey South

Warrington · 136.2 mg/l

Marton

Blackpool · 134.2 mg/l

Bamber Bridge West

Lancashire · 133.8 mg/l

Seven Stars

Lancashire · 131.8 mg/l

Audlem

Cheshire · 131.7 mg/l

Farington East

Lancashire · 130.4 mg/l

Walney Island

Cumbria · 129.1 mg/l

Tyldesley

Blackpool · 128.3 mg/l

Wrenbury

Cheshire · 128.1 mg/l

Hoole

Lancashire · 128 mg/l

Festival Gardens

Merseyside · 125.4 mg/l

Samlesbury & Walton

Lancashire · 123.8 mg/l

Bunbury

Cheshire · 123.5 mg/l

Chorley North West

Lancashire · 122.9 mg/l

Crewe East

Cheshire · 122.8 mg/l

Crewe South

Cheshire · 121.2 mg/l

Walton-le-Dale East

Lancashire · 121.1 mg/l

City Centre South

Merseyside · 113.4 mg/l

Halliwell

Greater Manchester · 111.5 mg/l

Edge Hill

Merseyside · 110.7 mg/l

Queens Park & Central

Greater Manchester · 106.9 mg/l

Tonge with the Haulgh

Greater Manchester · 106.6 mg/l

Stockton Heath

Warrington · 103.7 mg/l

Crewe West

Cheshire · 102.1 mg/l

Crewe St Barnabas

Cheshire · 101.4 mg/l

Beechwood & Heath

Halton · 98.6 mg/l

Moderately Soft

Broad Oak

Lancashire · 98.5 mg/l

Moderately Soft

City Centre North

Merseyside · 98.5 mg/l

Moderately Soft

Little Lever & Darcy Lever

Greater Manchester · 98.3 mg/l

Moderately Soft

Smithills

Greater Manchester · 91.4 mg/l

Moderately Soft

Goodshaw & Cribden

Lancashire · 90.5 mg/l

Moderately Soft

Bury West

Greater Manchester · 89.9 mg/l

Moderately Soft

Helmshore

Lancashire · 88.9 mg/l

Moderately Soft

Odd Rode

Cheshire · 88.8 mg/l

Moderately Soft

Whitewell & Stacksteads

Lancashire · 88.8 mg/l

Moderately Soft

Farndon

Cheshire · 86.6 mg/l

Moderately Soft

New Longton & Hutton East

Lancashire · 86 mg/l

Moderately Soft

Britannia & Lee Mill

Lancashire · 85.2 mg/l

Moderately Soft

Haslingden

Lancashire · 83.8 mg/l

Moderately Soft

Hareholme & Waterfoot

Lancashire · 82.9 mg/l

Moderately Soft

Radcliffe North & Ainsworth

Greater Manchester · 82 mg/l

Moderately Soft

Longholme

Lancashire · 79.6 mg/l

Moderately Soft

Greenfield & Eden

Lancashire · 78.1 mg/l

Moderately Soft

Farnworth North

Greater Manchester · 77.9 mg/l

Moderately Soft

Bramhall South & Woodford

Greater Manchester · 77.4 mg/l

Moderately Soft

Rural North East

Lancashire · 77.2 mg/l

Moderately Soft

Darwen West

Lancashire · 76.5 mg/l

Moderately Soft

Poynton East and Pott Shrigley

Cheshire · 76.5 mg/l

Moderately Soft

Blackburn South East

Lancashire · 76.4 mg/l

Moderately Soft

Leighton

Cheshire · 75.5 mg/l

Moderately Soft

Healey

Greater Manchester · 75.4 mg/l

Moderately Soft

Longton & Hutton West

Lancashire · 74.8 mg/l

Moderately Soft

Middleforth

Lancashire · 74 mg/l

Moderately Soft

Central Rochdale

Greater Manchester · 73.2 mg/l

Moderately Soft

Tottington

Greater Manchester · 70.5 mg/l

Moderately Soft

Daresbury, Moore & Sandymoor

Halton · 68.4 mg/l

Moderately Soft

Crewe North

Cheshire · 65.7 mg/l

Moderately Soft

Quays

Greater Manchester · 63.3 mg/l

Moderately Soft

Smallbridge & Firgrove

Greater Manchester · 62.6 mg/l

Moderately Soft

Ewood

Lancashire · 61.6 mg/l

Moderately Soft

Littleborough Lakeside

Greater Manchester · 61 mg/l

Moderately Soft

Crompton

Greater Manchester · 60.8 mg/l

Moderately Soft

Heaton, Lostock & Chew Moor

Greater Manchester · 60.6 mg/l

Moderately Soft

North Manor

Greater Manchester · 59.7 mg/l

Moderately Soft

Piccadilly

Greater Manchester · 59.2 mg/l

Moderately Soft

Wensley Fold

Lancashire · 58.6 mg/l

Moderately Soft

Hulme

Greater Manchester · 58.5 mg/l

Moderately Soft

Shear Brow & Corporation Park

Lancashire · 58.3 mg/l

Moderately Soft

Shaw

Greater Manchester · 57.8 mg/l

Moderately Soft

Blackburn Central

Lancashire · 57.4 mg/l

Moderately Soft

Ardwick

Greater Manchester · 56.5 mg/l

Moderately Soft

Latchford East

Warrington · 56.5 mg/l

Moderately Soft

Rusholme

Greater Manchester · 55.8 mg/l

Moderately Soft

Hollinwood

Greater Manchester · 55.6 mg/l

Moderately Soft

Latchford West

Warrington · 55.6 mg/l

Moderately Soft

Moss Side

Greater Manchester · 55.4 mg/l

Moderately Soft

Deansgate

Greater Manchester · 55 mg/l

Moderately Soft

Fallowfield

Greater Manchester · 55 mg/l

Moderately Soft

Gorton & Abbey Hey

Greater Manchester · 54.3 mg/l

Moderately Soft

Miles Platting & Newton Heath

Greater Manchester · 54.2 mg/l

Moderately Soft

Royton North

Greater Manchester · 54.2 mg/l

Moderately Soft

Elton

Greater Manchester · 53.9 mg/l

Moderately Soft

Great Lever

Greater Manchester · 53.7 mg/l

Moderately Soft

Radcliffe West

Greater Manchester · 53.7 mg/l

Moderately Soft

Sharston

Greater Manchester · 53.5 mg/l

Moderately Soft

Roe Lee

Lancashire · 52.7 mg/l

Moderately Soft

Waterhead

Greater Manchester · 52.7 mg/l

Moderately Soft

St Mary's, Oldham

Greater Manchester · 51.9 mg/l

Moderately Soft

St. Mary's

Greater Manchester · 51.7 mg/l

Moderately Soft

Bamford

Greater Manchester · 51.3 mg/l

Moderately Soft

Moston

Greater Manchester · 51.3 mg/l

Moderately Soft

Cheetham

Greater Manchester · 51.1 mg/l

Moderately Soft

West Heywood

Greater Manchester · 50.5 mg/l

Moderately Soft

Moorside

Greater Manchester · 49.8 mg/l

Higher Blackley

Greater Manchester · 49.2 mg/l

Castleton

Greater Manchester · 49 mg/l

Charlestown

Greater Manchester · 48.9 mg/l

Wilpshire & Ramsgreave

Lancashire · 48.8 mg/l

Ordsall

Greater Manchester · 48.2 mg/l

Broughton

Greater Manchester · 47.6 mg/l

Ramsbottom

Greater Manchester · 47.6 mg/l

East Middleton

Greater Manchester · 47.4 mg/l

South Middleton

Greater Manchester · 47 mg/l

Harpurhey

Greater Manchester · 46 mg/l

Bury East

Greater Manchester · 45.8 mg/l

Northenden

Greater Manchester · 45.6 mg/l

North Heywood

Greater Manchester · 45.3 mg/l

Cheadle West & Gatley

Greater Manchester · 45.1 mg/l

North Middleton

Greater Manchester · 45.1 mg/l

Bridgewater

Halton · 44.5 mg/l

Redvales

Greater Manchester · 44.5 mg/l

Weaste & Seedley

Greater Manchester · 44.2 mg/l

Brooklands

Greater Manchester · 43.6 mg/l

Baguley

Greater Manchester · 43.5 mg/l

Holyrood

Greater Manchester · 42.4 mg/l

Norton North

Halton · 42.3 mg/l

Brinnington & Stockport Central

Greater Manchester · 41.6 mg/l

Sandbach Town

Cheshire · 41.2 mg/l

Bredbury & Woodley

Greater Manchester · 41 mg/l

Sandbach Elworth

Cheshire · 41 mg/l

Farnworth South

Greater Manchester · 40.8 mg/l

Rumworth

Greater Manchester · 40.6 mg/l

Sandbach Heath and East

Cheshire · 40.1 mg/l

Grange

Halton · 39.4 mg/l

Burnage

Greater Manchester · 39.1 mg/l

Dane Valley

Cheshire · 39 mg/l

Claremont, Salford

Greater Manchester · 36.6 mg/l

Eccles

Greater Manchester · 36.6 mg/l

Westhoughton North & Hunger Hill

Greater Manchester · 32.7 mg/l

Higher Irlam & Peel Green

Greater Manchester · 31.3 mg/l

John O'Gaunt

Lancashire · 31.2 mg/l

Swinton Park

Greater Manchester · 30.8 mg/l

Horwich North

Greater Manchester · 30.2 mg/l

Swinton & Wardley

Greater Manchester · 30.2 mg/l

Horwich South & Blackrod

Greater Manchester · 29.6 mg/l

Little Hulton

Greater Manchester · 29.6 mg/l

Howgate

Cumbria · 29.2 mg/l

Walkden North

Greater Manchester · 29.2 mg/l

Cadishead & Lower Irlam

Greater Manchester · 29 mg/l

Blundellsands

Merseyside · 0 mg/l

Bredbury Green & Romiley

Greater Manchester · 0 mg/l

Canning

Merseyside · 0 mg/l

Church, Sefton

Merseyside · 0 mg/l

Dalston and Burgh

Cumbria · 0 mg/l

Didsbury East

Greater Manchester · 0 mg/l

Didsbury West

Greater Manchester · 0 mg/l

Ford

Merseyside · 0 mg/l

Harraby South

Cumbria · 0 mg/l

Moss Bank

Merseyside · 0 mg/l

Old Moat

Greater Manchester · 0 mg/l

Ravenmeols

Merseyside · 0 mg/l

St Oswald

Merseyside · 0 mg/l

Walton

Merseyside · 0 mg/l

Withington

Greater Manchester · 0 mg/l

North West

Avg: 105 mg/l · Slightly Hard

Crosby

Sefton · 311 mg/l

Litherland

Sefton · 311 mg/l

Ormskirk

Lancashire · 305.3 mg/l

Storeton

Wirral · 305.2 mg/l

Irby

Wirral · 305.2 mg/l

Southport

Sefton · 291.1 mg/l

Frodsham

Cheshire West and Chester · 291 mg/l

Runcorn

Halton · 291 mg/l

Blowick

Sefton · 285.4 mg/l

West Bank

Halton · 284.6 mg/l

Lane End

Warrington · 283.1 mg/l

Callands

Warrington · 283.1 mg/l

Dallam

Warrington · 283.1 mg/l

Longbarn

Warrington · 283.1 mg/l

Bewsey

Warrington · 276.3 mg/l

Greasby

Wirral · 274.4 mg/l

Arrowe Hill

Wirral · 274.4 mg/l

Claughton

Wirral · 274.4 mg/l

Devonshire Park

Wirral · 274.4 mg/l

Newton

Wirral · 274.4 mg/l

Noctorum

Wirral · 274.4 mg/l

Oxton

Wirral · 274.4 mg/l

Saughall Massie

Wirral · 274.4 mg/l

Upton

Wirral · 274.4 mg/l

Upton Meadow

Wirral · 274.4 mg/l

Woodchurch

Wirral · 274.4 mg/l

West Kirby

Wirral · 268.1 mg/l

Caldy

Wirral · 268.1 mg/l

Grange

Wirral · 268.1 mg/l

Higher Bebington

Wirral · 268.1 mg/l

Prenton

Wirral · 268.1 mg/l

Holmeswood

Lancashire · 266.7 mg/l

Mere Side

Lancashire · 266.7 mg/l

Grange

Warrington · 234.9 mg/l

Old Hall

Warrington · 234.9 mg/l

Woolston

Warrington · 234.9 mg/l

Buerton

Cheshire East · 221.7 mg/l

Lymm

Warrington · 207.3 mg/l

Warrington

Warrington · 207.3 mg/l

Hardhorn Village

Lancashire · 193.7 mg/l

Moderately Hard

Newtown

St. Helens · 192.4 mg/l

Moderately Hard

St Helens

St. Helens · 192.2 mg/l

Moderately Hard

Eccleston

St. Helens · 192.2 mg/l

Moderately Hard

Parr Stocks

St. Helens · 192.2 mg/l

Moderately Hard

Pocket Nook

St. Helens · 192.2 mg/l

Moderately Hard

Littleton

Cheshire West and Chester · 190 mg/l

Moderately Hard

Glazebury

Warrington · 188.1 mg/l

Moderately Hard

Catterall

Lancashire · 187 mg/l

Moderately Hard

Churchtown

Lancashire · 187 mg/l

Moderately Hard

Thornton

Lancashire · 184.4 mg/l

Moderately Hard

Fleetwood

Lancashire · 179.7 mg/l

Moderately Hard

Garstang

Lancashire · 179.7 mg/l

Moderately Hard

Stanah

Lancashire · 179.6 mg/l

Moderately Hard

Trunnah

Lancashire · 179.6 mg/l

Moderately Hard

Layton

Blackpool · 178.9 mg/l

Moderately Hard

Little Layton

Blackpool · 178.9 mg/l

Moderately Hard

Newton

Lancashire · 178.9 mg/l

Moderately Hard

Normoss

Lancashire · 178.9 mg/l

Moderately Hard

Queenstown

Blackpool · 178.9 mg/l

Moderately Hard

Heswall

Wirral · 178.2 mg/l

Moderately Hard

Neston

Cheshire West and Chester · 178.2 mg/l

Moderately Hard

Sower Carr

Lancashire · 176.6 mg/l

Moderately Hard

Burn Naze

Lancashire · 176.6 mg/l

Moderately Hard

Blackpool

Blackpool · 175.8 mg/l

Moderately Hard

Staining

Lancashire · 175.8 mg/l

Moderately Hard

Golborne

Wigan · 174.4 mg/l

Moderately Hard

Hindley

Wigan · 174.4 mg/l

Moderately Hard

Ince-in-Makerfield

Wigan · 174.4 mg/l

Moderately Hard

Leigh

Wigan · 174.4 mg/l

Moderately Hard

Westhoughton

Bolton · 174.4 mg/l

Moderately Hard

Hoylake

Wirral · 174.1 mg/l

Moderately Hard

Wallasey

Wirral · 174.1 mg/l

Moderately Hard

Beechwood

Wirral · 174.1 mg/l

Moderately Hard

Bidston

Wirral · 174.1 mg/l

Moderately Hard

Leasowe

Wirral · 174.1 mg/l

Moderately Hard

Liscard

Wirral · 174.1 mg/l

Moderately Hard

Moreton

Wirral · 174.1 mg/l

Moderately Hard

Poulton

Wirral · 174.1 mg/l

Moderately Hard

High Cross

Lancashire · 173 mg/l

Moderately Hard

Hoohill

Blackpool · 173 mg/l

Moderately Hard

Chester

Cheshire West and Chester · 172.3 mg/l

Moderately Hard

Boughton

Cheshire West and Chester · 172.3 mg/l

Moderately Hard

Duddon

Cheshire West and Chester · 170.6 mg/l

Moderately Hard

Piper's Ash

Cheshire West and Chester · 170.1 mg/l

Moderately Hard

Hoole

Cheshire West and Chester · 170.1 mg/l

Moderately Hard

Lytham St Anne's

Lancashire · 170 mg/l

Moderately Hard

Bebington

Wirral · 169.4 mg/l

Moderately Hard

Barnston

Wirral · 168.9 mg/l

Moderately Hard

Sandbach Heath

Cheshire East · 167.2 mg/l

Moderately Hard

Finger Post

St. Helens · 166.1 mg/l

Moderately Hard

Ellesmere Port

Cheshire West and Chester · 164.6 mg/l

Moderately Hard

Thingwall

Wirral · 162.2 mg/l

Moderately Hard

Formby

Sefton · 162.1 mg/l

Moderately Hard

Padgate

Warrington · 162.1 mg/l

Moderately Hard

Westbrook

Warrington · 162.1 mg/l

Moderately Hard

Bowgreave

Lancashire · 161.5 mg/l

Moderately Hard

Bridgemere

Cheshire East · 161.5 mg/l

Moderately Hard

Cold Row

Lancashire · 161.5 mg/l

Moderately Hard

Pheasant Wood

Lancashire · 161.5 mg/l

Moderately Hard

Birchall Moss

Cheshire East · 161.5 mg/l

Moderately Hard

Brown Moss

Cheshire East · 161.5 mg/l

Moderately Hard

Buerton Moss

Cheshire East · 161.5 mg/l

Moderately Hard

Hardhorn

Lancashire · 160.2 mg/l

Moderately Hard

Freckleton

Lancashire · 158.9 mg/l

Moderately Hard

Collins Green

Warrington · 156.6 mg/l

Moderately Hard

Clannor Heath

Cheshire East · 155.8 mg/l

Moderately Hard

Thurstaston

Wirral · 154.8 mg/l

Moderately Hard

Lower Bebington

Wirral · 154.8 mg/l

Moderately Hard

Moore

Halton · 153.2 mg/l

Moderately Hard

Newton-le-Willows

St. Helens · 149.5 mg/l

Kingswood

Warrington · 148.9 mg/l

Leyland

Lancashire · 143.9 mg/l

West Heath

Cheshire East · 143.2 mg/l

Far Sawrey

Westmorland and Furness · 143 mg/l

Cleveleys

Lancashire · 142.8 mg/l

Poulton-le-Fylde

Lancashire · 142.8 mg/l

Preston

Lancashire · 140.8 mg/l

Chorley

Lancashire · 138.6 mg/l

Astley Village

Lancashire · 138.6 mg/l

Cowling

Lancashire · 138.6 mg/l

Hartwood

Lancashire · 138.6 mg/l

Knowley

Lancashire · 138.6 mg/l

Little Knowley

Lancashire · 138.6 mg/l

Gregson Lane

Lancashire · 135.5 mg/l

Alsager

Cheshire East · 132.2 mg/l

Crewe

Cheshire East · 132.2 mg/l

Coupe Green

Lancashire · 131.5 mg/l

Higher Walton

Lancashire · 131.5 mg/l

Paddington

Warrington · 130.8 mg/l

Johnson's Hillock

Lancashire · 130.4 mg/l

Key Green

Cheshire East · 129.8 mg/l

Dane in Shaw

Cheshire East · 128.4 mg/l

Mossley

Cheshire East · 128.4 mg/l

Sandbach

Cheshire East · 128 mg/l

Brownlow

Cheshire East · 128 mg/l

Moston

Cheshire East · 128 mg/l

Birkenhead

Wirral · 126.1 mg/l

Macclesfield

Cheshire East · 125.5 mg/l

Middlewich

Cheshire East · 125.5 mg/l

Wallthwaite

Westmorland and Furness · 122.1 mg/l

Liverpool

Liverpool · 121.6 mg/l

Brookhouse Green

Cheshire East · 121.1 mg/l

Warmingham

Cheshire East · 121.1 mg/l

Bootle

Sefton · 119.6 mg/l

Prescot

Knowsley · 119.4 mg/l

Holland Slack

Lancashire · 117.4 mg/l

School Lane

Lancashire · 116.6 mg/l

Bolton

Bolton · 115.4 mg/l

Castle Hill

Bolton · 114.6 mg/l

Firwood Fold

Bolton · 114.6 mg/l

Carnforth

Lancashire · 113.9 mg/l

Morecambe

Lancashire · 113.9 mg/l

Oak Hill Park

Liverpool · 113.7 mg/l

Tarvin

Cheshire West and Chester · 113.6 mg/l

Littler

Cheshire West and Chester · 113.6 mg/l

Newtown

Cheshire West and Chester · 113.6 mg/l

Astbury

Cheshire East · 112.8 mg/l

Elworth

Cheshire East · 112.8 mg/l

Adlington

Lancashire · 111.1 mg/l

Horwich

Bolton · 111.1 mg/l

Standish

Wigan · 111.1 mg/l

Wigan

Wigan · 111.1 mg/l

Ashton-in-Makerfield

Wigan · 105.1 mg/l

Billinge

St. Helens · 105.1 mg/l

Haydock

St. Helens · 105.1 mg/l

Rainford

St. Helens · 105.1 mg/l

Skelmersdale

Lancashire · 105.1 mg/l

Cloud Side

Cheshire East · 103.2 mg/l

Hoghton

Lancashire · 101.7 mg/l

Ramsbottom

Bury · 100.5 mg/l

Blackburn

Blackburn with Darwen · 99.5 mg/l

Moderately Soft

Arclid

Cheshire East · 99.2 mg/l

Moderately Soft

Timbersbrook

Cheshire East · 99.2 mg/l

Moderately Soft

Back o' th' Bank

Bolton · 98.6 mg/l

Moderately Soft

Delph Hill

Bolton · 98.6 mg/l

Moderately Soft

Doffcocker

Bolton · 98.6 mg/l

Moderately Soft

Halliwell

Bolton · 98.6 mg/l

Moderately Soft

Top o' th' Brow

Bolton · 98.6 mg/l

Moderately Soft

Bottom o' th' Moor

Bolton · 97.3 mg/l

Moderately Soft

Johnson Fold

Bolton · 97.3 mg/l

Moderately Soft

Wallsuches

Bolton · 95.7 mg/l

Moderately Soft

Sharples

Bolton · 95.7 mg/l

Moderately Soft

Samlesbury

Lancashire · 90.8 mg/l

Moderately Soft

Tarvin Sands

Cheshire West and Chester · 87.3 mg/l

Moderately Soft

Bamber Bridge

Lancashire · 84 mg/l

Moderately Soft

Fulwood

Lancashire · 83.6 mg/l

Moderately Soft

Kirkham

Lancashire · 83.6 mg/l

Moderately Soft

Longridge

Lancashire · 83.6 mg/l

Moderately Soft

Spen Green

Cheshire East · 81.5 mg/l

Moderately Soft

Bacup

Lancashire · 80.9 mg/l

Moderately Soft

Rawtenstall

Lancashire · 80.9 mg/l

Moderately Soft

Shadsworth

Blackburn with Darwen · 78.7 mg/l

Moderately Soft

Town's Moor

Blackburn with Darwen · 78 mg/l

Moderately Soft

Vauxhall

Liverpool · 77.6 mg/l

Moderately Soft

Adswood

Stockport · 76.8 mg/l

Moderately Soft

Davenport

Stockport · 76.8 mg/l

Moderately Soft

Wythenshawe

Manchester · 76.8 mg/l

Moderately Soft

Witton

Blackburn with Darwen · 75.3 mg/l

Moderately Soft

Darwen

Blackburn with Darwen · 73.7 mg/l

Moderately Soft

Astbury Marsh

Cheshire East · 71.7 mg/l

Moderately Soft

Hightown

Cheshire East · 71.7 mg/l

Moderately Soft

Lancaster

Lancashire · 71.5 mg/l

Moderately Soft

Heysham

Lancashire · 71.5 mg/l

Moderately Soft

Marple

Stockport · 71.5 mg/l

Moderately Soft

Bank Top

Blackburn with Darwen · 71.5 mg/l

Moderately Soft

Cale Green

Stockport · 71.5 mg/l

Moderately Soft

Foggbrook

Stockport · 71.5 mg/l

Moderately Soft

Heaviley

Stockport · 71.5 mg/l

Moderately Soft

Lower Audley

Blackburn with Darwen · 71.5 mg/l

Moderately Soft

Offerton

Stockport · 71.5 mg/l

Moderately Soft

Park Place

Blackburn with Darwen · 71.5 mg/l

Moderately Soft

Newhey

Rochdale · 70.2 mg/l

Moderately Soft

Back o' th' Moss

Rochdale · 70.2 mg/l

Moderately Soft

Higher Audley

Blackburn with Darwen · 70.2 mg/l

Moderately Soft

Hooley Brow

Rochdale · 70.2 mg/l

Moderately Soft

Intack

Blackburn with Darwen · 70.2 mg/l

Moderately Soft

Knuzden Brook

Lancashire · 70.2 mg/l

Moderately Soft

Queen's Park

Blackburn with Darwen · 70.2 mg/l

Moderately Soft

Turf Hill

Rochdale · 70.2 mg/l

Moderately Soft

Wensley Fold

Blackburn with Darwen · 70.2 mg/l

Moderately Soft

Benchill

Manchester · 63.7 mg/l

Moderately Soft

Bollington

Cheshire East · 63.3 mg/l

Moderately Soft

Bramhall

Stockport · 63.3 mg/l

Moderately Soft

Cheadle Hulme

Stockport · 63.3 mg/l

Moderately Soft

Hazel Grove

Stockport · 63.3 mg/l

Moderately Soft

Poynton

Cheshire East · 63.3 mg/l

Moderately Soft

Wilmslow

Cheshire East · 63.3 mg/l

Moderately Soft

Middleton

Rochdale · 62.6 mg/l

Moderately Soft

Heathfields

Oldham · 62.6 mg/l

Moderately Soft

Mills Hill

Oldham · 62.6 mg/l

Moderately Soft

Oldham Edge

Oldham · 62.6 mg/l

Moderately Soft

Spring Hill

Oldham · 62.6 mg/l

Moderately Soft

Scouthead

Oldham · 62.2 mg/l

Moderately Soft

Burnley Brow

Oldham · 62.2 mg/l

Moderately Soft

Balderstone

Rochdale · 59.3 mg/l

Moderately Soft

Bentgate

Rochdale · 59.3 mg/l

Moderately Soft

Buersil

Rochdale · 59.3 mg/l

Moderately Soft

Nova Scotia

Blackburn with Darwen · 58 mg/l

Moderately Soft

Tame Water

Oldham · 56.9 mg/l

Moderately Soft

The Wrangling

Blackburn with Darwen · 56.9 mg/l

Moderately Soft

Watersheddings

Oldham · 56.9 mg/l

Moderately Soft

Grimshaw Park

Blackburn with Darwen · 56.6 mg/l

Moderately Soft

Hollin Bank

Blackburn with Darwen · 56.6 mg/l

Moderately Soft

Whinny Edge

Blackburn with Darwen · 56.6 mg/l

Moderately Soft

Clitheroe

Lancashire · 56.5 mg/l

Moderately Soft

Sun Hill

Oldham · 56 mg/l

Moderately Soft

Altrincham

Trafford · 55.9 mg/l

Moderately Soft

Hale

Trafford · 55.9 mg/l

Moderately Soft

Irlam

Salford · 55.9 mg/l

Moderately Soft

Partington

Trafford · 55.9 mg/l

Moderately Soft

Sale

Trafford · 55.9 mg/l

Moderately Soft

Stretford

Trafford · 55.9 mg/l

Moderately Soft

Urmston

Trafford · 55.9 mg/l

Moderately Soft

Ashton-under-Lyne

Tameside · 55.4 mg/l

Moderately Soft

Denton

Tameside · 55.4 mg/l

Moderately Soft

Droylsden

Tameside · 55.4 mg/l

Moderately Soft

Dukinfield

Tameside · 55.4 mg/l

Moderately Soft

Hyde

Tameside · 55.4 mg/l

Moderately Soft

Mossley

Tameside · 55.4 mg/l

Moderately Soft

Stalybridge

Tameside · 55.4 mg/l

Moderately Soft

Kirkholt

Rochdale · 55.3 mg/l

Moderately Soft

Ardwick

Manchester · 55.2 mg/l

Moderately Soft

Ordsall

Salford · 55.2 mg/l

Moderately Soft

Manchester

Manchester · 54.7 mg/l

Moderately Soft

Clayton

Manchester · 54.7 mg/l

Moderately Soft

Ancoats

Manchester · 54.4 mg/l

Moderately Soft

Beswick

Manchester · 54.4 mg/l

Moderately Soft

Birks

Oldham · 54.4 mg/l

Moderately Soft

City Centre

Manchester · 54.4 mg/l

Moderately Soft

Acre

Oldham · 53.8 mg/l

Moderately Soft

Chadderton Park

Oldham · 53.8 mg/l

Moderately Soft

Green Gate

Rochdale · 53.8 mg/l

Moderately Soft

West Hulme

Oldham · 53.8 mg/l

Moderately Soft

Dove Bank

Bolton · 53.6 mg/l

Moderately Soft

Openshaw

Manchester · 52.5 mg/l

Moderately Soft

Farnworth

Bolton · 52 mg/l

Moderately Soft

Kearsley

Bolton · 52 mg/l

Moderately Soft

Little Lever

Bolton · 52 mg/l

Moderately Soft

Radcliffe

Bury · 52 mg/l

Moderately Soft

Whitefield

Bury · 52 mg/l

Moderately Soft

Bottom o' th' Brow

Rochdale · 51.7 mg/l

Moderately Soft

Austerlands

Oldham · 51.5 mg/l

Moderately Soft

Cold Hurst

Oldham · 51.5 mg/l

Moderately Soft

Cold Hurst Hollow

Oldham · 51.5 mg/l

Moderately Soft

Cross Bank

Oldham · 51.5 mg/l

Moderately Soft

Lime Field

Rochdale · 51.5 mg/l

Moderately Soft

Lower Moor

Oldham · 51.5 mg/l

Moderately Soft

Mumps

Oldham · 51.5 mg/l

Moderately Soft

Top of Moor

Oldham · 51.5 mg/l

Moderately Soft

Waterhead

Oldham · 51.3 mg/l

Moderately Soft

Royton

Oldham · 50 mg/l

Moderately Soft

Shaw

Oldham · 50 mg/l

Moderately Soft

Moorclose

Rochdale · 49.7 mg/l

Busk

Oldham · 49.6 mg/l

Heywood

Rochdale · 49.3 mg/l

Milnrow

Rochdale · 49.2 mg/l

Rochdale

Rochdale · 49.2 mg/l

Brunswick

Manchester · 48.9 mg/l

Ainsworth

Bury · 48.8 mg/l

Barlow Fold

Bury · 48.8 mg/l

Black Lane

Bury · 48.8 mg/l

Blackford Bridge

Bury · 48.8 mg/l

Bradley Fold

Bolton · 48.8 mg/l

Fishpool

Bury · 48.8 mg/l

Fletcher Fold

Bury · 48.8 mg/l

Gigg

Bury · 48.8 mg/l

Hollins

Bury · 48.8 mg/l

Redvales

Bury · 48.8 mg/l

Westwood Park

Salford · 48.6 mg/l

Bury

Bury · 48.4 mg/l

Red Lumb

Rochdale · 48.4 mg/l

Gatley

Stockport · 48.3 mg/l

Mellor

Stockport · 48.3 mg/l

Brook Bottom

Stockport · 48.3 mg/l

Mile End

Stockport · 48.3 mg/l

Moorend

Stockport · 48.3 mg/l

Sharston

Manchester · 48.3 mg/l

Stockport Great Moor

Stockport · 48.3 mg/l

Wallness

Salford · 46.8 mg/l

Summerseat

Bury · 46.7 mg/l

Littleborough

Rochdale · 46.3 mg/l

Whitworth

Lancashire · 46.3 mg/l

Chadderton

Oldham · 46.2 mg/l

Frank Hill

Oldham · 46.2 mg/l

Greenacres

Oldham · 46.2 mg/l

Greenacres Fold

Oldham · 46.2 mg/l

Greenacres Moor

Oldham · 46.2 mg/l

North Moor

Oldham · 46.2 mg/l

Taylor Green

Oldham · 46.2 mg/l

Wood Brook

Oldham · 46.2 mg/l

Salford

Salford · 46 mg/l

Failsworth

Oldham · 46 mg/l

Lees

Oldham · 46 mg/l

Oldham

Oldham · 46 mg/l

Patricroft

Salford · 46 mg/l

Weaste

Salford · 46 mg/l

Newtown

Halton · 44 mg/l

Miles Platting

Manchester · 43.9 mg/l

Widnes

Halton · 43.8 mg/l

West Bank Dock Estate

Halton · 43.7 mg/l

Uppermill

Oldham · 43.5 mg/l

Winsford

Cheshire West and Chester · 39.6 mg/l

Congleton

Cheshire East · 39.2 mg/l

Salterswall

Cheshire West and Chester · 38.2 mg/l

Bowness-on-Windermere

Westmorland and Furness · 37.2 mg/l

Windermere

Westmorland and Furness · 37.2 mg/l

Great Mitton

Lancashire · 36.5 mg/l

Accrington

Lancashire · 36.1 mg/l

Burnley

Lancashire · 36.1 mg/l

Church

Lancashire · 36.1 mg/l

Clayton-le-Moors

Lancashire · 36.1 mg/l

Great Harwood

Lancashire · 36.1 mg/l

Padiham

Lancashire · 36.1 mg/l

Rishton

Lancashire · 36.1 mg/l

Ellesmere Park

Salford · 35.8 mg/l

Pendleton

Salford · 35.8 mg/l

Winton

Salford · 35.8 mg/l

Haslingden

Lancashire · 35.2 mg/l

Oswaldtwistle

Lancashire · 35.2 mg/l

Kendal

Westmorland and Furness · 34.4 mg/l

Swinton

Salford · 32.9 mg/l

Worsley

Salford · 32.9 mg/l

Barton upon Irwell

Salford · 30.6 mg/l

Dumplington

Trafford · 30.6 mg/l

Gorse Hill

Trafford · 30.6 mg/l

Peel Green

Salford · 30.6 mg/l

Salford Quays

Salford · 30.6 mg/l

Wharfside

Trafford · 30.6 mg/l

Horrocks Fold

Bolton · 30.4 mg/l

Monton

Salford · 30.4 mg/l

Wigton

Cumberland · 30.3 mg/l

Bottom o' th' Moor

Bolton · 29.4 mg/l

Hall i' th' Wood

Bolton · 29.4 mg/l

Smithills

Bolton · 29.4 mg/l

Eccles

Salford · 29.1 mg/l

Little Bolton

Salford · 29.1 mg/l

New Windsor

Salford · 29.1 mg/l

Seedley

Salford · 29.1 mg/l

Keswick

Cumberland · 28.7 mg/l

Barnoldswick

Lancashire · 17.13 mg/l

Colne

Lancashire · 17.13 mg/l

Earby

Lancashire · 17.13 mg/l

Trawden

Lancashire · 17.13 mg/l

Barrowford

Lancashire · 16.38 mg/l

Brierfield

Lancashire · 16.38 mg/l

Nelson

Lancashire · 16.38 mg/l

Atherton

Wigan · 0 mg/l

Cheadle

Stockport · 0 mg/l

Kirkby

Knowsley · 0 mg/l

Maghull

Sefton · 0 mg/l

Romiley

Stockport · 0 mg/l

Stockport

Stockport · 0 mg/l

Tyldesley

Wigan · 0 mg/l

Walkden

Salford · 0 mg/l

Crook

Westmorland and Furness · 0 mg/l

Higher Folds

Wigan · 0 mg/l

Edge Hill

Liverpool · 0 mg/l

Over

Cheshire West and Chester · 0 mg/l

Wavertree

Liverpool · 0 mg/l

West Derby

Liverpool · 0 mg/l

Check Your Exact Water Hardness

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Frequently Asked Questions

Which areas of the UK have the hardest water?▾

The South East and East of England have the hardest water in the UK, with levels often exceeding 300 mg/l CaCO₃. Areas supplied by Affinity Water, Thames Water, and Anglian Water tend to have very hard water due to chalk and limestone aquifer sources. London, Hertfordshire, Essex, Kent, and Sussex are among the hardest water areas.

Which areas of the UK have soft water?▾

Scotland, Wales, Northern England, and the South West generally have softer water. Cities like Manchester, Glasgow, Edinburgh, and Liverpool have soft water (below 50 mg/l) because their water comes from upland reservoirs and surface sources rather than chalk aquifers.

Why does water hardness vary across the UK?▾

Water hardness depends on the geology of the area where water is sourced. Water that passes through chalk, limestone, or other calcium-rich rocks picks up minerals and becomes hard. Areas with granite, slate, or peat-based geology tend to have softer water. This is why South East England (chalk aquifers) has hard water while Scotland (granite) has soft water.

Does my water company affect how hard my water is?▾

Your water company determines where your water is sourced from, which directly affects hardness. Companies in the South East like Affinity Water and South East Water extract from chalk aquifers, producing hard water. Companies in the North like United Utilities source from reservoirs, producing soft water. The same company may supply different hardness levels across its region.