Affinity Water
South East England
Affinity Water is the largest water-only company in the UK, supplying 3.9 million people across parts of Hertfordshire, Bedfordshire, Buckinghamshire, Essex, Surrey, North London, and Kent. The region has predominantly hard water from chalk aquifer sources.
South East England
Region
814
Cities Covered
309 mg/l
Avg Hardness
Very Hard
Hardness Class
Cities Served by Affinity Water
St Albans
Hertfordshire · Hardness: 338 mg/l · pH: 7
Addlestone
Surrey · Hardness: 255 mg/l · pH: 7.4
Amersham
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Ashford
Surrey · Hardness: 328 mg/l · pH: 7.2
Baldock
Hertfordshire · Hardness: 318 mg/l · pH: 7.4
Banstead
Surrey · Hardness: 345 mg/l · pH: 7
Basildon
Essex · Hardness: 265 mg/l · pH: 7.3
Beaconsfield
Buckinghamshire · Hardness: 288 mg/l · pH: 7.1
Berkhamsted
Hertfordshire · Hardness: 285 mg/l · pH: 7.1
Biggleswade
Central Bedfordshire · Hardness: 318 mg/l · pH: 7.4
Billericay
Essex · Hardness: 265 mg/l · pH: 7.3
Bishop's Stortford
Hertfordshire · Hardness: 345 mg/l · pH: 7.1
Blackwater
Hampshire · Hardness: 288 mg/l · pH: 7.3
Borehamwood
Hertfordshire · Hardness: 340 mg/l · pH: 7
Bracknell
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Braintree
Essex · Hardness: 350 mg/l · pH: 7.2
Brentwood
Essex · Hardness: 265 mg/l · pH: 7.3
Buntingford
Hertfordshire · Hardness: 375 mg/l · pH: 7.1
Bushey
Hertfordshire · Hardness: 313 mg/l · pH: 7.1
Camberley
Surrey · Hardness: 288 mg/l · pH: 7.3
Caterham
Surrey · Hardness: 345 mg/l · pH: 7
Chertsey
Surrey · Hardness: 255 mg/l · pH: 7.4
Chesham
Buckinghamshire · Hardness: 300 mg/l · pH: 7.1
Chipping Ongar
Essex · Hardness: 265 mg/l · pH: 7.3
Chorleywood
Hertfordshire · Hardness: 283 mg/l · pH: 7
Crowthorne
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Deal
Kent · Hardness: 285 mg/l · pH: 7.1
Dover
Kent · Hardness: 285 mg/l · pH: 7.1
Dunstable
Central Bedfordshire · Hardness: 310 mg/l · pH: 7.3
Egham
Surrey · Hardness: 295 mg/l · pH: 7.2
Epping
Essex · Hardness: 338 mg/l · pH: 7.3
Farnborough
Hampshire · Hardness: 288 mg/l · pH: 7.4
Flitwick
Central Bedfordshire · Hardness: 288 mg/l · pH: 7.6
Folkestone
Kent · Hardness: 285 mg/l · pH: 7.1
Frimley
Surrey · Hardness: 288 mg/l · pH: 7.3
Gerrards Cross
Buckinghamshire · Hardness: 288 mg/l · pH: 7.1
Great Dunmow
Essex · Hardness: 350 mg/l · pH: 7.2
Harlow
Essex · Hardness: 330 mg/l · pH: 7.2
Harpenden
Hertfordshire · Hardness: 320 mg/l · pH: 7
Hatfield
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
Haverhill
Suffolk · Hardness: 373 mg/l · pH: 7
Hemel Hempstead
Hertfordshire · Hardness: 283 mg/l · pH: 7
Hertford
Hertfordshire · Hardness: 318 mg/l · pH: 7
High Wycombe
Buckinghamshire · Hardness: 288 mg/l · pH: 7.1
Hitchin
Hertfordshire · Hardness: 368 mg/l · pH: 7.3
Houghton Regis
Central Bedfordshire · Hardness: 310 mg/l · pH: 7.3
Hythe
Kent · Hardness: 293 mg/l · pH: 7.1
Leighton Buzzard
Central Bedfordshire · Hardness: 310 mg/l · pH: 7.3
Letchworth
Hertfordshire · Hardness: 318 mg/l · pH: 7.4
Luton
Luton · Hardness: 328 mg/l · pH: 7.2
Lydd
Kent · Hardness: 108 mg/l · pH: 7.7
New Romney
Kent · Hardness: 108 mg/l · pH: 7.7
Potters Bar
Hertfordshire · Hardness: 363 mg/l · pH: 7
Radlett
Hertfordshire · Hardness: 360 mg/l · pH: 7.1
Redhill
Surrey · Hardness: 345 mg/l · pH: 7
Rickmansworth
Hertfordshire · Hardness: 283 mg/l · pH: 7
Royston
Hertfordshire · Hardness: 313 mg/l · pH: 7.1
Saffron Walden
Essex · Hardness: 360 mg/l · pH: 7
Sandhurst
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Sawbridgeworth
Hertfordshire · Hardness: 340 mg/l · pH: 7.1
Shefford
Central Bedfordshire · Hardness: 368 mg/l · pH: 7.3
Staines-upon-Thames
Surrey · Hardness: 295 mg/l · pH: 7.2
Stansted Mountfitchet
Essex · Hardness: 345 mg/l · pH: 7
Stevenage
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Stotfold
Central Bedfordshire · Hardness: 318 mg/l · pH: 7.4
Thaxted
Essex · Hardness: 440 mg/l · pH: 7
Tring
Hertfordshire · Hardness: 285 mg/l · pH: 7.1
Walton-on-Thames
Surrey · Hardness: 288 mg/l · pH: 7.4
Ware
Hertfordshire · Hardness: 388 mg/l · pH: 6.9
Watford
Hertfordshire · Hardness: 353 mg/l · pH: 7
Welwyn Garden City
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Wendover
Buckinghamshire · Hardness: 300 mg/l · pH: 7.1
Weybridge
Surrey · Hardness: 255 mg/l · pH: 7.4
Woburn
Central Bedfordshire · Hardness: 310 mg/l · pH: 7.3
Woking
Surrey · Hardness: 273 mg/l · pH: 7.4
Yateley
Hampshire · Hardness: 288 mg/l · pH: 7.3
Abbots Langley
Hertfordshire · Hardness: 305 mg/l · pH: 7
Albury
Hertfordshire · Hardness: 345 mg/l · pH: 7.1
Aldenham
Hertfordshire · Hardness: 360 mg/l · pH: 7.1
Aley Green
Central Bedfordshire · Hardness: 348 mg/l · pH: 7.1
Apsley End
Central Bedfordshire · Hardness: 368 mg/l · pH: 7.3
Arlesey
Central Bedfordshire · Hardness: 318 mg/l · pH: 7.4
Ash Vale
Surrey · Hardness: 288 mg/l · pH: 7.4
Ashwell
Hertfordshire · Hardness: 318 mg/l · pH: 7.4
Aston
Hertfordshire · Hardness: 295 mg/l · pH: 7.5
Ayot Green
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Babbs Green
Hertfordshire · Hardness: 388 mg/l · pH: 6.9
Baker's Wood
Buckinghamshire · Hardness: 308 mg/l · pH: 7.3
Barton-le-Clay
Central Bedfordshire · Hardness: 288 mg/l · pH: 7.6
Bayford
Hertfordshire · Hardness: 318 mg/l · pH: 7
Bedlar's Green
Essex · Hardness: 345 mg/l · pH: 7.1
Bedmond
Hertfordshire · Hardness: 305 mg/l · pH: 7
Birch Green
Hertfordshire · Hardness: 318 mg/l · pH: 7
Bisley
Surrey · Hardness: 288 mg/l · pH: 7.4
Brabourne
Kent · Hardness: 293 mg/l · pH: 7.1
Bradenham
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Bramfield
Hertfordshire · Hardness: 318 mg/l · pH: 7
Breachwood Green
Hertfordshire · Hardness: 338 mg/l · pH: 7.4
Bricket Wood
Hertfordshire · Hardness: 228 mg/l · pH: 7.3
Broadley Common
Essex · Hardness: 310 mg/l · pH: 7.2
Broadoak End
Hertfordshire · Hardness: 318 mg/l · pH: 7
Brook
Kent · Hardness: 293 mg/l · pH: 7.1
Brookwood
Surrey · Hardness: 288 mg/l · pH: 7.4
Broom
Central Bedfordshire · Hardness: 318 mg/l · pH: 7.4
Bucks Hill
Hertfordshire · Hardness: 305 mg/l · pH: 7
Bull's Green
Hertfordshire · Hardness: 295 mg/l · pH: 7.5
Bulstrode
Hertfordshire · Hardness: 283 mg/l · pH: 7
Burnham Green
Hertfordshire · Hardness: 295 mg/l · pH: 7.5
Burwood Park
Surrey · Hardness: 255 mg/l · pH: 7.4
Bury Green
Hertfordshire · Hardness: 345 mg/l · pH: 7.1
Byfleet
Surrey · Hardness: 255 mg/l · pH: 7.4
Bygrave
Hertfordshire · Hardness: 318 mg/l · pH: 7.4
Caddington
Central Bedfordshire · Hardness: 308 mg/l · pH: 7.3
Campton
Central Bedfordshire · Hardness: 368 mg/l · pH: 7.3
Capel-le-Ferne
Kent · Hardness: 285 mg/l · pH: 7.1
Castle Green
Surrey · Hardness: 273 mg/l · pH: 7.4
Chandler's Cross
Hertfordshire · Hardness: 323 mg/l · pH: 6.9
Chapmore End
Hertfordshire · Hardness: 318 mg/l · pH: 7
Chenies
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Chicksands
Central Bedfordshire · Hardness: 368 mg/l · pH: 7.3
Chipperfield
Hertfordshire · Hardness: 305 mg/l · pH: 7
Chiswell Green
Hertfordshire · Hardness: 305 mg/l · pH: 7.2
Chobham
Surrey · Hardness: 273 mg/l · pH: 7.4
Clapgate
Hertfordshire · Hardness: 345 mg/l · pH: 7.1
Clifton
Central Bedfordshire · Hardness: 368 mg/l · pH: 7.3
Clophill
Central Bedfordshire · Hardness: 368 mg/l · pH: 7.3
Cockernhoe
Hertfordshire · Hardness: 345 mg/l · pH: 7.2
Codicote
Hertfordshire · Hardness: 290 mg/l · pH: 7.2
Coleshill
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Colliers End
Hertfordshire · Hardness: 330 mg/l · pH: 7
Colnbrook
Slough · Hardness: 283 mg/l · pH: 7.3
Colney Heath
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
Commonwood
Hertfordshire · Hardness: 305 mg/l · pH: 7
Coopersale
Essex · Hardness: 338 mg/l · pH: 7.3
Crawley End
Essex · Hardness: 335 mg/l · pH: 7
Cryers Hill
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Dagnall
Buckinghamshire · Hardness: 348 mg/l · pH: 7.1
Datchworth
Hertfordshire · Hardness: 295 mg/l · pH: 7.5
Deepcut
Surrey · Hardness: 288 mg/l · pH: 7.4
Denham
Buckinghamshire · Hardness: 308 mg/l · pH: 7.3
Densole
Kent · Hardness: 293 mg/l · pH: 7.1
Downley
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Dunton
Central Bedfordshire · Hardness: 318 mg/l · pH: 7.4
East Hyde
Central Bedfordshire · Hardness: 320 mg/l · pH: 7
Eastwick
Hertfordshire · Hardness: 330 mg/l · pH: 7.2
Elham
Kent · Hardness: 293 mg/l · pH: 7.1
Elstree
Hertfordshire · Hardness: 340 mg/l · pH: 7
Epping Green
Essex · Hardness: 310 mg/l · pH: 7.2
Essendon
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
Etchinghill
Kent · Hardness: 293 mg/l · pH: 7.1
Ewell Minnis
Kent · Hardness: 293 mg/l · pH: 7.1
Farnham
Essex · Hardness: 345 mg/l · pH: 7.1
Flamstead
Hertfordshire · Hardness: 333 mg/l · pH: 7.1
Flitton
Central Bedfordshire · Hardness: 288 mg/l · pH: 7.6
Foster Street
Essex · Hardness: 310 mg/l · pH: 7.2
Frogmore
Hertfordshire · Hardness: 305 mg/l · pH: 7.2
Fulmer
Buckinghamshire · Hardness: 308 mg/l · pH: 7.3
Gilston
Hertfordshire · Hardness: 330 mg/l · pH: 7.2
Gosmore
Hertfordshire · Hardness: 368 mg/l · pH: 7.3
Graveley
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Gravesend
Hertfordshire · Hardness: 345 mg/l · pH: 7.1
Great Amwell
Hertfordshire · Hardness: 388 mg/l · pH: 6.9
Great Chesterford
Essex · Hardness: 330 mg/l · pH: 7.1
Great Gaddesden
Hertfordshire · Hardness: 320 mg/l · pH: 7
Great Hallingbury
Essex · Hardness: 345 mg/l · pH: 7.1
Great Kingshill
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Great Offley
Hertfordshire · Hardness: 338 mg/l · pH: 7.4
Great Wymondley
Hertfordshire · Hardness: 368 mg/l · pH: 7.3
Green Street
Hertfordshire · Hardness: 340 mg/l · pH: 7
Green Tye
Hertfordshire · Hardness: 345 mg/l · pH: 7.1
Greenfield
Central Bedfordshire · Hardness: 288 mg/l · pH: 7.6
Gustard Wood
Hertfordshire · Hardness: 320 mg/l · pH: 7
Hadham Cross
Hertfordshire · Hardness: 345 mg/l · pH: 7.1
Harefield
Greater London · Hardness: 283 mg/l · pH: 7
Hastingleigh
Kent · Hardness: 293 mg/l · pH: 7.1
Hastingwood
Essex · Hardness: 310 mg/l · pH: 7.2
Hatchford
Surrey · Hardness: 255 mg/l · pH: 7.4
Hawkinge
Kent · Hardness: 293 mg/l · pH: 7.1
Hazlemere
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Henlow
Central Bedfordshire · Hardness: 318 mg/l · pH: 7.4
Hertford Heath
Hertfordshire · Hardness: 318 mg/l · pH: 7
Hertingfordbury
Hertfordshire · Hardness: 318 mg/l · pH: 7
Hexton
Hertfordshire · Hardness: 288 mg/l · pH: 7.6
Higher Denham
Buckinghamshire · Hardness: 308 mg/l · pH: 7.3
Hill End
Greater London · Hardness: 283 mg/l · pH: 7
Hinxworth
Hertfordshire · Hardness: 318 mg/l · pH: 7.4
Holmer Green
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Holwell
Hertfordshire · Hardness: 368 mg/l · pH: 7.3
Holywell
Central Bedfordshire · Hardness: 348 mg/l · pH: 7.1
Horn Hill
Buckinghamshire · Hardness: 283 mg/l · pH: 7
How Wood
Hertfordshire · Hardness: 305 mg/l · pH: 7.2
Hudnall
Hertfordshire · Hardness: 320 mg/l · pH: 7
Hughenden Valley
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Hunsdon
Hertfordshire · Hardness: 330 mg/l · pH: 7.2
Hunsdonbury
Hertfordshire · Hardness: 330 mg/l · pH: 7.2
Hythe End
Windsor and Maidenhead · Hardness: 295 mg/l · pH: 7.2
Ickleford
Hertfordshire · Hardness: 368 mg/l · pH: 7.3
Iver
Buckinghamshire · Hardness: 283 mg/l · pH: 7.3
Jockey End
Hertfordshire · Hardness: 333 mg/l · pH: 7.1
Kensworth
Central Bedfordshire · Hardness: 348 mg/l · pH: 7.1
Kinsbourne Green
Hertfordshire · Hardness: 333 mg/l · pH: 7.1
Knebworth
Hertfordshire · Hardness: 295 mg/l · pH: 7.5
Laleham
Surrey · Hardness: 295 mg/l · pH: 7.2
Langford
Central Bedfordshire · Hardness: 318 mg/l · pH: 7.4
Langley
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Latimer
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Lea Valley
Hertfordshire · Hardness: 320 mg/l · pH: 7
Lemsford
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Letchmore Heath
Hertfordshire · Hardness: 360 mg/l · pH: 7.1
Letty Green
Hertfordshire · Hardness: 318 mg/l · pH: 7
Lilley
Hertfordshire · Hardness: 338 mg/l · pH: 7.4
Little Gaddesden
Hertfordshire · Hardness: 320 mg/l · pH: 7
Little Hadham
Hertfordshire · Hardness: 345 mg/l · pH: 7.1
Little Kingshill
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Little Missenden
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Little Walden
Essex · Hardness: 360 mg/l · pH: 7
Little Wymondley
Hertfordshire · Hardness: 368 mg/l · pH: 7.3
Littlebury
Essex · Hardness: 360 mg/l · pH: 7
Littleton
Surrey · Hardness: 328 mg/l · pH: 7.2
London Colney
Hertfordshire · Hardness: 338 mg/l · pH: 7
Lower Stondon
Central Bedfordshire · Hardness: 368 mg/l · pH: 7.3
Lyminge
Kent · Hardness: 293 mg/l · pH: 7.1
Lyne
Surrey · Hardness: 295 mg/l · pH: 7.2
Mangrove Green
Hertfordshire · Hardness: 345 mg/l · pH: 7.2
Maple Cross
Hertfordshire · Hardness: 283 mg/l · pH: 7
Markyate
Hertfordshire · Hardness: 333 mg/l · pH: 7.1
Maulden
Central Bedfordshire · Hardness: 288 mg/l · pH: 7.6
Meppershall
Central Bedfordshire · Hardness: 368 mg/l · pH: 7.3
Mimbridge
Surrey · Hardness: 273 mg/l · pH: 7.4
Moreton
Essex · Hardness: 310 mg/l · pH: 7.2
Much Hadham
Hertfordshire · Hardness: 345 mg/l · pH: 7.1
Mytchett
Surrey · Hardness: 288 mg/l · pH: 7.4
Naphill
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Nazeing
Essex · Hardness: 310 mg/l · pH: 7.2
New Denham
Buckinghamshire · Hardness: 308 mg/l · pH: 7.3
New Haw
Surrey · Hardness: 255 mg/l · pH: 7.4
Newingreen
Kent · Hardness: 293 mg/l · pH: 7.1
Newington
Kent · Hardness: 293 mg/l · pH: 7.1
Newnham
Hertfordshire · Hardness: 318 mg/l · pH: 7.4
Newport
Essex · Hardness: 358 mg/l · pH: 6.9
North Mymms
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
North Weald Bassett
Essex · Hardness: 338 mg/l · pH: 7.3
Ockham
Surrey · Hardness: 273 mg/l · pH: 7.4
Old Knebworth
Hertfordshire · Hardness: 295 mg/l · pH: 7.5
Oldhill Wood
Central Bedfordshire · Hardness: 348 mg/l · pH: 7.1
Ottershaw
Surrey · Hardness: 255 mg/l · pH: 7.4
Park Street
Hertfordshire · Hardness: 305 mg/l · pH: 7.2
Patchetts Green
Hertfordshire · Hardness: 313 mg/l · pH: 7.1
Patmore Heath
Hertfordshire · Hardness: 345 mg/l · pH: 7.1
Peene
Kent · Hardness: 293 mg/l · pH: 7.1
Penn
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Penn Street
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Penny Pot
Surrey · Hardness: 288 mg/l · pH: 7.4
Penton Hook
Surrey · Hardness: 295 mg/l · pH: 7.2
Pepperstock
Central Bedfordshire · Hardness: 333 mg/l · pH: 7.1
Perry Green
Hertfordshire · Hardness: 345 mg/l · pH: 7.1
Pimlico
Hertfordshire · Hardness: 305 mg/l · pH: 7
Pirbright
Surrey · Hardness: 288 mg/l · pH: 7.4
Pirton
Hertfordshire · Hardness: 368 mg/l · pH: 7.3
Postling
Kent · Hardness: 293 mg/l · pH: 7.1
Potten End
Hertfordshire · Hardness: 320 mg/l · pH: 7
Poyle
Slough · Hardness: 283 mg/l · pH: 7.3
Preston
Hertfordshire · Hardness: 338 mg/l · pH: 7.4
Pulloxhill
Central Bedfordshire · Hardness: 288 mg/l · pH: 7.6
Pyrford
Surrey · Hardness: 273 mg/l · pH: 7.4
Pyrford Green
Surrey · Hardness: 273 mg/l · pH: 7.4
Rableyheath
Hertfordshire · Hardness: 295 mg/l · pH: 7.5
Radwell
Hertfordshire · Hardness: 318 mg/l · pH: 7.4
Redbourn
Hertfordshire · Hardness: 348 mg/l · pH: 7.1
Rhodes Minnis
Kent · Hardness: 293 mg/l · pH: 7.1
Richings Park
Buckinghamshire · Hardness: 283 mg/l · pH: 7.3
Ringshall
Hertfordshire · Hardness: 320 mg/l · pH: 7
Ripley
Surrey · Hardness: 273 mg/l · pH: 7.4
Row Town
Surrey · Hardness: 255 mg/l · pH: 7.4
Roydon
Essex · Hardness: 330 mg/l · pH: 7.2
Rucklers Lane
Hertfordshire · Hardness: 305 mg/l · pH: 7
Runnymede
Surrey · Hardness: 295 mg/l · pH: 7.2
Saltwood
Kent · Hardness: 293 mg/l · pH: 7.1
Sandridge
Hertfordshire · Hardness: 338 mg/l · pH: 7
Sarratt
Hertfordshire · Hardness: 305 mg/l · pH: 7
Sewards End
Essex · Hardness: 360 mg/l · pH: 7
Sharpenhoe
Central Bedfordshire · Hardness: 288 mg/l · pH: 7.6
Sheerwater
Surrey · Hardness: 273 mg/l · pH: 7.4
Sheet's Heath
Surrey · Hardness: 288 mg/l · pH: 7.4
Shelley
Essex · Hardness: 338 mg/l · pH: 7.3
Shenley
Hertfordshire · Hardness: 290 mg/l · pH: 7
Shepperton
Surrey · Hardness: 288 mg/l · pH: 7.4
Shepperton Green
Surrey · Hardness: 328 mg/l · pH: 7.2
Shillington
Central Bedfordshire · Hardness: 368 mg/l · pH: 7.3
Shreding Green
Buckinghamshire · Hardness: 283 mg/l · pH: 7.3
Silsoe
Central Bedfordshire · Hardness: 368 mg/l · pH: 7.3
Sleapshyde
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
Slip End
Central Bedfordshire · Hardness: 333 mg/l · pH: 7.1
Smallford
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
South Harefield
Greater London · Hardness: 285 mg/l · pH: 7.3
Southill
Central Bedfordshire · Hardness: 368 mg/l · pH: 7.3
St Ippolyts
Hertfordshire · Hardness: 368 mg/l · pH: 7.3
Stanborough
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Stanford
Central Bedfordshire · Hardness: 318 mg/l · pH: 7.4
Stanford
Kent · Hardness: 293 mg/l · pH: 7.1
Stanford Common
Surrey · Hardness: 288 mg/l · pH: 7.4
Stanwell
Surrey · Hardness: 328 mg/l · pH: 7.2
Stanwell Moor
Surrey · Hardness: 295 mg/l · pH: 7.2
Stapleford
Hertfordshire · Hardness: 318 mg/l · pH: 7
Start Hill
Essex · Hardness: 345 mg/l · pH: 7.1
Stelling Minnis
Kent · Hardness: 293 mg/l · pH: 7.1
Stowting
Kent · Hardness: 293 mg/l · pH: 7.1
Streatley
Central Bedfordshire · Hardness: 288 mg/l · pH: 7.6
Stroude
Surrey · Hardness: 295 mg/l · pH: 7.2
Studham
Central Bedfordshire · Hardness: 348 mg/l · pH: 7.1
Tatling End
Buckinghamshire · Hardness: 308 mg/l · pH: 7.3
Tewin
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Tewin Wood
Hertfordshire · Hardness: 295 mg/l · pH: 7.5
The Folly
Hertfordshire · Hardness: 320 mg/l · pH: 7
The Heath
Hertfordshire · Hardness: 338 mg/l · pH: 7.4
Theydon Bois
Essex · Hardness: 338 mg/l · pH: 7.3
Theydon Mount
Essex · Hardness: 338 mg/l · pH: 7.3
Thorley Street
Hertfordshire · Hardness: 345 mg/l · pH: 7.1
Thorney
Buckinghamshire · Hardness: 283 mg/l · pH: 7.3
Thornwood Common
Essex · Hardness: 338 mg/l · pH: 7.3
Thorpe
Surrey · Hardness: 295 mg/l · pH: 7.2
Thorpe Green
Surrey · Hardness: 295 mg/l · pH: 7.2
Thundridge
Hertfordshire · Hardness: 388 mg/l · pH: 6.9
Tonwell
Hertfordshire · Hardness: 388 mg/l · pH: 6.9
Toot Hill
Essex · Hardness: 338 mg/l · pH: 7.3
Tower Hill
Hertfordshire · Hardness: 305 mg/l · pH: 7
Trowley Bottom
Hertfordshire · Hardness: 333 mg/l · pH: 7.1
Trumps Green
Surrey · Hardness: 295 mg/l · pH: 7.2
Tylers Green
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Tyttenhanger
Hertfordshire · Hardness: 338 mg/l · pH: 7
Upper Gravenhurst
Central Bedfordshire · Hardness: 368 mg/l · pH: 7.3
Upper Halliford
Surrey · Hardness: 288 mg/l · pH: 7.4
Upper North Dean
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Virginia Water
Surrey · Hardness: 295 mg/l · pH: 7.2
Wadesmill
Hertfordshire · Hardness: 388 mg/l · pH: 6.9
Walkern
Hertfordshire · Hardness: 310 mg/l · pH: 7.1
Wallington
Hertfordshire · Hardness: 318 mg/l · pH: 7.4
Walter's Ash
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Waltham
Kent · Hardness: 293 mg/l · pH: 7.1
Wardhedges
Central Bedfordshire · Hardness: 288 mg/l · pH: 7.6
Wareside
Hertfordshire · Hardness: 388 mg/l · pH: 6.9
Water End
Hertfordshire · Hardness: 320 mg/l · pH: 7
Waterford
Hertfordshire · Hardness: 318 mg/l · pH: 7
Watton at Stone
Hertfordshire · Hardness: 295 mg/l · pH: 7.5
Welham Green
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
West Bedfont
Surrey · Hardness: 328 mg/l · pH: 7.2
West Byfleet
Surrey · Hardness: 273 mg/l · pH: 7.4
West Hyde
Hertfordshire · Hardness: 283 mg/l · pH: 7
West Wycombe
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Weston
Hertfordshire · Hardness: 318 mg/l · pH: 7.4
Wexham Street
Buckinghamshire · Hardness: 308 mg/l · pH: 7.3
Wheathampstead
Hertfordshire · Hardness: 320 mg/l · pH: 7
Whipsnade
Central Bedfordshire · Hardness: 348 mg/l · pH: 7.1
Whiteley Village
Surrey · Hardness: 255 mg/l · pH: 7.4
Widford
Hertfordshire · Hardness: 388 mg/l · pH: 6.9
Widmer End
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Wildhill
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
Winchmore Hill
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Wisley
Surrey · Hardness: 255 mg/l · pH: 7.4
Wood Street Village
Surrey · Hardness: 293 mg/l · pH: 7.1
Woodham
Surrey · Hardness: 255 mg/l · pH: 7.4
Woodside
Central Bedfordshire · Hardness: 308 mg/l · pH: 7.3
Woodside Green
Essex · Hardness: 345 mg/l · pH: 7.1
Woolmer Green
Hertfordshire · Hardness: 295 mg/l · pH: 7.5
Addlestonemoor
Surrey · Hardness: 255 mg/l · pH: 7.4
Adeyfield
Hertfordshire · Hardness: 283 mg/l · pH: 7
Alperton
Greater London · Hardness: 295 mg/l · pH: 7.3
Amen Corner
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Amersham Common
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Amersham Old Town
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Amersham on the Hill
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Apsley
Hertfordshire · Hardness: 283 mg/l · pH: 7
Arkley
Greater London · Hardness: 295 mg/l · pH: 7.3
Ash Estates
Surrey · Hardness: 288 mg/l · pH: 7.4
Ashley Park
Surrey · Hardness: 288 mg/l · pH: 7.4
Aycliffe
Kent · Hardness: 285 mg/l · pH: 7.1
Bamville Wood
Hertfordshire · Hardness: 320 mg/l · pH: 7
Batchworth
Hertfordshire · Hardness: 283 mg/l · pH: 7
Batford
Hertfordshire · Hardness: 320 mg/l · pH: 7
Battlers Green
Hertfordshire · Hardness: 360 mg/l · pH: 7.1
Beasley's Ait
Surrey · Hardness: 288 mg/l · pH: 7.4
Bedwell
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Bell Bar
Hertfordshire · Hardness: 363 mg/l · pH: 7
Belmont
Greater London · Hardness: 353 mg/l · pH: 7.1
Belmont
Greater London · Hardness: 345 mg/l · pH: 7
Belsize
Hertfordshire · Hardness: 305 mg/l · pH: 7
Bengeo
Hertfordshire · Hardness: 318 mg/l · pH: 7
Benhilton
Greater London · Hardness: 345 mg/l · pH: 7
Bennetts End
Hertfordshire · Hardness: 283 mg/l · pH: 7
Bernards Heath
Hertfordshire · Hardness: 338 mg/l · pH: 7
Birch Green
Surrey · Hardness: 295 mg/l · pH: 7.2
Birch Hill
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Birchwood
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
Biscot
Luton · Hardness: 288 mg/l · pH: 7.6
Black Green
Hertfordshire · Hardness: 305 mg/l · pH: 7.2
Boxmoor
Hertfordshire · Hardness: 283 mg/l · pH: 7
Bragbury End
Hertfordshire · Hardness: 295 mg/l · pH: 7.5
Bramingham Park
Luton · Hardness: 288 mg/l · pH: 7.6
Brays Grove
Essex · Hardness: 310 mg/l · pH: 7.2
Broadmoor Estate
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Broadwater
Hertfordshire · Hardness: 295 mg/l · pH: 7.5
Brookside
Windsor and Maidenhead · Hardness: 288 mg/l · pH: 7.3
Buckland
Kent · Hardness: 285 mg/l · pH: 7.1
Buckland Valley
Kent · Hardness: 285 mg/l · pH: 7.1
Bullbrook
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Bullen's Green
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
Burnt Oak
Greater London · Hardness: 333 mg/l · pH: 7.1
Burrowhill
Surrey · Hardness: 288 mg/l · pH: 7.3
Bury End
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Bury End
Central Bedfordshire · Hardness: 368 mg/l · pH: 7.3
Bury Park
Luton · Hardness: 308 mg/l · pH: 7.3
Bushey Heath
Hertfordshire · Hardness: 313 mg/l · pH: 7.1
Canons Park
Greater London · Hardness: 353 mg/l · pH: 7.1
Carpenders Park
Hertfordshire · Hardness: 348 mg/l · pH: 7.1
Carshalton Beeches
Greater London · Hardness: 345 mg/l · pH: 7
Carshalton on the Hill
Greater London · Hardness: 345 mg/l · pH: 7
Chalfont Common
Buckinghamshire · Hardness: 288 mg/l · pH: 7.1
Chapel Croft
Hertfordshire · Hardness: 305 mg/l · pH: 7
Chapel End
Essex · Hardness: 345 mg/l · pH: 7
Chattern Hill
Surrey · Hardness: 328 mg/l · pH: 7.2
Chaulden
Hertfordshire · Hardness: 283 mg/l · pH: 7
Cheam
Greater London · Hardness: 345 mg/l · pH: 7
Chells
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Chells Manor
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Cheriton
Kent · Hardness: 285 mg/l · pH: 7.1
Chesham Bois
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Chipping Barnet
Greater London · Hardness: 295 mg/l · pH: 7.3
Chorleywood Bottom
Hertfordshire · Hardness: 283 mg/l · pH: 7
Chorleywood West
Hertfordshire · Hardness: 283 mg/l · pH: 7
Church End
Hertfordshire · Hardness: 348 mg/l · pH: 7.1
Church End
Central Bedfordshire · Hardness: 318 mg/l · pH: 7.4
Church End
Central Bedfordshire · Hardness: 288 mg/l · pH: 7.6
Church End
Hertfordshire · Hardness: 318 mg/l · pH: 7.4
Church End
Hertfordshire · Hardness: 330 mg/l · pH: 7
Church End
Hertfordshire · Hardness: 283 mg/l · pH: 7
Church End
Greater London · Hardness: 275 mg/l · pH: 7.2
Church Lammas
Windsor and Maidenhead · Hardness: 295 mg/l · pH: 7.2
Church Langley
Essex · Hardness: 310 mg/l · pH: 7.2
Churchend
Central Bedfordshire · Hardness: 348 mg/l · pH: 7.1
Churchgate Street
Essex · Hardness: 340 mg/l · pH: 7.1
Clarendon
Kent · Hardness: 285 mg/l · pH: 7.1
Clothall Common
Hertfordshire · Hardness: 318 mg/l · pH: 7.4
Cockfosters
Greater London · Hardness: 270 mg/l · pH: 7.2
Coldfall
Greater London · Hardness: 275 mg/l · pH: 7.2
Coles Meads
Surrey · Hardness: 345 mg/l · pH: 7
Colham Green
Greater London · Hardness: 283 mg/l · pH: 7.3
Colindale
Greater London · Hardness: 333 mg/l · pH: 7.1
College Town
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Cookham Rise
Windsor and Maidenhead · Hardness: 288 mg/l · pH: 7.1
Coolinge
Kent · Hardness: 285 mg/l · pH: 7.1
Corner Hall
Hertfordshire · Hardness: 283 mg/l · pH: 7
Counters End
Hertfordshire · Hardness: 283 mg/l · pH: 7
Cove
Hampshire · Hardness: 288 mg/l · pH: 7.3
Cowley
Greater London · Hardness: 308 mg/l · pH: 7.3
Cowley Peachey
Greater London · Hardness: 283 mg/l · pH: 7.3
Crabble
Kent · Hardness: 285 mg/l · pH: 7.1
Cranford
Greater London · Hardness: 265 mg/l · pH: 7.4
Crawley Hill
Surrey · Hardness: 288 mg/l · pH: 7.3
Cressex
Buckinghamshire · Hardness: 288 mg/l · pH: 7.1
Crown Wood
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Croxley Green
Hertfordshire · Hardness: 283 mg/l · pH: 7
Cupid Green
Hertfordshire · Hardness: 283 mg/l · pH: 7
Denham Green
Buckinghamshire · Hardness: 308 mg/l · pH: 7.3
Digswell
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Digswell Park
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Digswell Water
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Dormer's Wells
Greater London · Hardness: 280 mg/l · pH: 7.3
Ducks Island
Greater London · Hardness: 295 mg/l · pH: 7.3
East Barnet
Greater London · Hardness: 270 mg/l · pH: 7.2
East Bedfont
Greater London · Hardness: 280 mg/l · pH: 7.2
East Ewell
Surrey · Hardness: 345 mg/l · pH: 7
Eastcote
Greater London · Hardness: 320 mg/l · pH: 7.2
Eastend
Essex · Hardness: 330 mg/l · pH: 7.2
Easthampstead
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Effingham Junction
Surrey · Hardness: 255 mg/l · pH: 7.4
Egham Hythe
Surrey · Hardness: 295 mg/l · pH: 7.2
Ellenbrook
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
Elms Vale
Kent · Hardness: 285 mg/l · pH: 7.1
Elstree Park
Greater London · Hardness: 340 mg/l · pH: 7
Englefield Green
Surrey · Hardness: 295 mg/l · pH: 7.2
Fan Grove
Surrey · Hardness: 295 mg/l · pH: 7.2
Farley Hill
Luton · Hardness: 308 mg/l · pH: 7.3
Farleygreen
Luton · Hardness: 308 mg/l · pH: 7.3
Farleywood
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Farnborough Park
Hampshire · Hardness: 288 mg/l · pH: 7.4
Farnborough Street
Hampshire · Hardness: 288 mg/l · pH: 7.4
Felden
Hertfordshire · Hardness: 283 mg/l · pH: 7
Fiddler's Hill
Hertfordshire · Hardness: 320 mg/l · pH: 7
Fisher's Hill
Surrey · Hardness: 288 mg/l · pH: 7.4
Fishers Green
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Fleetville
Hertfordshire · Hardness: 338 mg/l · pH: 7
Foord
Kent · Hardness: 285 mg/l · pH: 7.1
Forest Park
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Forty Green
Buckinghamshire · Hardness: 288 mg/l · pH: 7.1
Fox Lane
Hampshire · Hardness: 288 mg/l · pH: 7.3
Frimley Green
Surrey · Hardness: 288 mg/l · pH: 7.4
Frogmore
Hampshire · Hardness: 288 mg/l · pH: 7.3
Frogmore End
Hertfordshire · Hardness: 283 mg/l · pH: 7
Gadebridge
Hertfordshire · Hardness: 283 mg/l · pH: 7
Garston
Hertfordshire · Hardness: 228 mg/l · pH: 7.3
Golders Green
Greater London · Hardness: 275 mg/l · pH: 7.6
Grahame Park
Greater London · Hardness: 333 mg/l · pH: 7.1
Great Hollands
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Great Parndon
Essex · Hardness: 310 mg/l · pH: 7.2
Green End
Hertfordshire · Hardness: 283 mg/l · pH: 7
Green End
Hertfordshire · Hardness: 330 mg/l · pH: 7
Green End
Hertfordshire · Hardness: 330 mg/l · pH: 7
Green End
Hertfordshire · Hardness: 318 mg/l · pH: 7.4
Greenhill
Greater London · Hardness: 360 mg/l · pH: 7.1
Grovehill
Hertfordshire · Hardness: 283 mg/l · pH: 7
Hadley
Greater London · Hardness: 295 mg/l · pH: 7.3
Haldens
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Hall Grove
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Hamhaugh Island
Surrey · Hardness: 255 mg/l · pH: 7.4
Hamm Court Estate
Surrey · Hardness: 255 mg/l · pH: 7.4
Hamm Moor
Surrey · Hardness: 255 mg/l · pH: 7.4
Hammerfield
Hertfordshire · Hardness: 283 mg/l · pH: 7
Handside
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Hanworth
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Hanworth
Greater London · Hardness: 280 mg/l · pH: 7.2
Hare Street
Essex · Hardness: 330 mg/l · pH: 7.2
Harlington
Greater London · Hardness: 265 mg/l · pH: 7.4
Harlow Common
Essex · Hardness: 310 mg/l · pH: 7.2
Harmans Water
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Harmondsworth
Greater London · Hardness: 283 mg/l · pH: 7.3
Harpesford
Surrey · Hardness: 295 mg/l · pH: 7.2
Harrow on the Hill
Greater London · Hardness: 363 mg/l · pH: 7.2
Harrow Weald
Greater London · Hardness: 360 mg/l · pH: 7.1
Hart Hill
Luton · Hardness: 328 mg/l · pH: 7.2
Hatch End
Greater London · Hardness: 360 mg/l · pH: 7.1
Hatching Green
Hertfordshire · Hardness: 320 mg/l · pH: 7
Hatfield Garden Village
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
Hatfield Hyde
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Hatton
Greater London · Hardness: 280 mg/l · pH: 7.2
Hayes End
Greater London · Hardness: 265 mg/l · pH: 7.4
Headstone
Greater London · Hardness: 360 mg/l · pH: 7.1
Heath End
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Heatherside
Surrey · Hardness: 288 mg/l · pH: 7.3
Heronsgate
Hertfordshire · Hardness: 283 mg/l · pH: 7
High Town
Luton · Hardness: 288 mg/l · pH: 7.6
Highfield
Hertfordshire · Hardness: 283 mg/l · pH: 7
Hillfoot End
Central Bedfordshire · Hardness: 368 mg/l · pH: 7.3
Hillingdon Heath
Greater London · Hardness: 265 mg/l · pH: 7.4
Hitchin Hill
Hertfordshire · Hardness: 368 mg/l · pH: 7.3
Hockerill
Hertfordshire · Hardness: 345 mg/l · pH: 7.1
Hockering Estate
Surrey · Hardness: 273 mg/l · pH: 7.4
Hogden Bottom
Surrey · Hardness: 345 mg/l · pH: 7
Holmethorpe
Surrey · Hardness: 345 mg/l · pH: 7
Holtspur
Buckinghamshire · Hardness: 288 mg/l · pH: 7.1
Holywell
Hertfordshire · Hardness: 353 mg/l · pH: 7
Hook Heath
Surrey · Hardness: 273 mg/l · pH: 7.4
Horn Street
Kent · Hardness: 285 mg/l · pH: 7.1
Horsell
Surrey · Hardness: 273 mg/l · pH: 7.4
Ickenham
Greater London · Hardness: 285 mg/l · pH: 7.3
Ivy Chimneys
Essex · Hardness: 338 mg/l · pH: 7.3
Jersey Farm
Hertfordshire · Hardness: 338 mg/l · pH: 7
Katherines
Essex · Hardness: 310 mg/l · pH: 7.2
Kearsney
Kent · Hardness: 285 mg/l · pH: 7.1
Kenley
Greater London · Hardness: 345 mg/l · pH: 7
Kingfield
Surrey · Hardness: 273 mg/l · pH: 7.4
Kingsbury
Greater London · Hardness: 333 mg/l · pH: 7.1
Kingsmoor
Essex · Hardness: 310 mg/l · pH: 7.2
Kingswood
Hertfordshire · Hardness: 228 mg/l · pH: 7.3
Kingswood Warren
Surrey · Hardness: 345 mg/l · pH: 7
Knaphill
Surrey · Hardness: 288 mg/l · pH: 7.4
Knotty Green
Buckinghamshire · Hardness: 288 mg/l · pH: 7.1
Knowle Green
Surrey · Hardness: 295 mg/l · pH: 7.2
Knowle Grove
Surrey · Hardness: 295 mg/l · pH: 7.2
Knowle Hill
Surrey · Hardness: 295 mg/l · pH: 7.2
Latton Bush
Essex · Hardness: 310 mg/l · pH: 7.2
Leagrave
Luton · Hardness: 308 mg/l · pH: 7.3
Leavesden Green
Hertfordshire · Hardness: 228 mg/l · pH: 7.3
Leverstock Green
Hertfordshire · Hardness: 283 mg/l · pH: 7
Limbury
Luton · Hardness: 288 mg/l · pH: 7.6
Little Britain
Greater London · Hardness: 283 mg/l · pH: 7.3
Little Heath
Hertfordshire · Hardness: 363 mg/l · pH: 7
Little Parndon
Essex · Hardness: 330 mg/l · pH: 7.2
Little Sandhurst
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Little Stanmore
Greater London · Hardness: 353 mg/l · pH: 7.1
Little Woodcote
Greater London · Hardness: 345 mg/l · pH: 7
Littlewick
Surrey · Hardness: 273 mg/l · pH: 7.4
Lock Island
Surrey · Hardness: 255 mg/l · pH: 7.4
Longford
Greater London · Hardness: 283 mg/l · pH: 7.3
Loudwater
Hertfordshire · Hardness: 283 mg/l · pH: 7
Love Green
Buckinghamshire · Hardness: 283 mg/l · pH: 7.3
Lower Feltham
Greater London · Hardness: 280 mg/l · pH: 7.2
Lower Green
Hertfordshire · Hardness: 368 mg/l · pH: 7.3
Lower Halliford
Surrey · Hardness: 288 mg/l · pH: 7.4
Lower Sheering
Essex · Hardness: 340 mg/l · pH: 7.1
Lower Walmer
Kent · Hardness: 285 mg/l · pH: 7.1
Mark Hall North
Essex · Hardness: 330 mg/l · pH: 7.2
Mark Hall South
Essex · Hardness: 310 mg/l · pH: 7.2
Marsh Farm
Luton · Hardness: 288 mg/l · pH: 7.6
Marshalswick
Hertfordshire · Hardness: 338 mg/l · pH: 7
Marshmoor
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
Martin's Heron
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Maxton
Kent · Hardness: 285 mg/l · pH: 7.1
Maybury
Surrey · Hardness: 273 mg/l · pH: 7.4
Mead Vale
Surrey · Hardness: 345 mg/l · pH: 7
Meriden
Hertfordshire · Hardness: 323 mg/l · pH: 6.9
Micklefield
Buckinghamshire · Hardness: 288 mg/l · pH: 7.1
Middle Deal
Kent · Hardness: 285 mg/l · pH: 7.1
Mill End
Hertfordshire · Hardness: 283 mg/l · pH: 7
Mill Green
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
Mill Hill
Kent · Hardness: 285 mg/l · pH: 7.1
Moneyhill
Hertfordshire · Hardness: 283 mg/l · pH: 7
Monken Hadley
Greater London · Hardness: 295 mg/l · pH: 7.3
Morehall
Kent · Hardness: 285 mg/l · pH: 7.1
Moulsham Green
Hampshire · Hardness: 288 mg/l · pH: 7.3
Mount Hermon
Surrey · Hardness: 273 mg/l · pH: 7.4
Nash Mills
Hertfordshire · Hardness: 305 mg/l · pH: 7
Nast Hyde
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
Nelson Park
Kent · Hardness: 285 mg/l · pH: 7.1
Netteswell
Essex · Hardness: 330 mg/l · pH: 7.2
Netteswell Cross
Essex · Hardness: 330 mg/l · pH: 7.2
New Barnet
Greater London · Hardness: 295 mg/l · pH: 7.3
New Greens
Hertfordshire · Hardness: 338 mg/l · pH: 7
New Town
Luton · Hardness: 328 mg/l · pH: 7.2
New Town
Hertfordshire · Hardness: 345 mg/l · pH: 7.1
Newtown
Hertfordshire · Hardness: 375 mg/l · pH: 7.1
North Cheam
Greater London · Hardness: 345 mg/l · pH: 7
North Feltham
Greater London · Hardness: 280 mg/l · pH: 7.2
North Finchley
Greater London · Hardness: 275 mg/l · pH: 7.2
North Harrow
Greater London · Hardness: 268 mg/l · pH: 7.3
North Hillingdon
Greater London · Hardness: 308 mg/l · pH: 7.3
North Hyde
Greater London · Hardness: 280 mg/l · pH: 7.3
North Lyminge
Kent · Hardness: 293 mg/l · pH: 7.1
North Watford
Hertfordshire · Hardness: 323 mg/l · pH: 6.9
North Wembley
Greater London · Hardness: 290 mg/l · pH: 7.4
Northwood Hills
Greater London · Hardness: 348 mg/l · pH: 7.1
Norton
Hertfordshire · Hardness: 318 mg/l · pH: 7.4
Norwood Green
Greater London · Hardness: 280 mg/l · pH: 7.3
Oakfield
Hertfordshire · Hardness: 368 mg/l · pH: 7.3
Oakleigh Park
Greater London · Hardness: 270 mg/l · pH: 7.2
Oatlands Park
Surrey · Hardness: 255 mg/l · pH: 7.4
Old Bricket Wood
Hertfordshire · Hardness: 228 mg/l · pH: 7.3
Old Coulsdon
Greater London · Hardness: 345 mg/l · pH: 7
Old Harlow
Essex · Hardness: 340 mg/l · pH: 7.1
Old Hatfield
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
Old Town
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Old Woking
Surrey · Hardness: 273 mg/l · pH: 7.4
Orchard Valley
Kent · Hardness: 293 mg/l · pH: 7.1
Owlsmoor
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Oxhey
Hertfordshire · Hardness: 353 mg/l · pH: 7
Oxlease
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
Panshanger
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Paradise
Hertfordshire · Hardness: 283 mg/l · pH: 7
Park Corner
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
Park Town
Luton · Hardness: 328 mg/l · pH: 7.2
Passmores
Essex · Hardness: 310 mg/l · pH: 7.2
Peartree
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Perivale
Greater London · Hardness: 290 mg/l · pH: 7.4
Perry Green
Hertfordshire · Hardness: 345 mg/l · pH: 7.2
Pharaoh's Island
Surrey · Hardness: 255 mg/l · pH: 7.4
Piccotts End
Hertfordshire · Hardness: 283 mg/l · pH: 7
Pin Green
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Pine Hurst
Hertfordshire · Hardness: 388 mg/l · pH: 6.9
Pinnacles
Essex · Hardness: 330 mg/l · pH: 7.2
Pinner Green
Greater London · Hardness: 348 mg/l · pH: 7.1
Pinnerwood Park
Greater London · Hardness: 348 mg/l · pH: 7.1
Pondtail
Hampshire · Hardness: 288 mg/l · pH: 7.3
Popeswood
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Poplars
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Potter Street
Essex · Hardness: 310 mg/l · pH: 7.2
Preston
Greater London · Hardness: 295 mg/l · pH: 7.3
Priestwood
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Purwell
Hertfordshire · Hardness: 368 mg/l · pH: 7.3
Queensbury
Greater London · Hardness: 353 mg/l · pH: 7.1
Rafborough
Hampshire · Hardness: 288 mg/l · pH: 7.4
Rayners Lane
Greater London · Hardness: 268 mg/l · pH: 7.3
Ripley Springs
Surrey · Hardness: 295 mg/l · pH: 7.2
River
Kent · Hardness: 285 mg/l · pH: 7.1
Roe Green
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
Roestock
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
Round Green
Luton · Hardness: 288 mg/l · pH: 7.6
Roxeth
Greater London · Hardness: 363 mg/l · pH: 7.2
Royal Holloway
Surrey · Hardness: 295 mg/l · pH: 7.2
Ruislip Common
Greater London · Hardness: 320 mg/l · pH: 7.2
Ruislip Manor
Greater London · Hardness: 320 mg/l · pH: 7.2
Rydens
Surrey · Hardness: 288 mg/l · pH: 7.4
Sandgate
Kent · Hardness: 285 mg/l · pH: 7.1
Sands
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
Seabrook
Kent · Hardness: 285 mg/l · pH: 7.1
Shephall
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Sherrardspark
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Sipson
Greater London · Hardness: 283 mg/l · pH: 7.3
Skimpedhill
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Smart's Heath
Surrey · Hardness: 288 mg/l · pH: 7.4
Smug Oak
Hertfordshire · Hardness: 305 mg/l · pH: 7.2
Sopwell
Hertfordshire · Hardness: 338 mg/l · pH: 7
South Beddington
Greater London · Hardness: 345 mg/l · pH: 7
South Earlswood
Surrey · Hardness: 345 mg/l · pH: 7
South Farnborough
Hampshire · Hardness: 288 mg/l · pH: 7.4
South Harrow
Greater London · Hardness: 268 mg/l · pH: 7.3
South Hatfield
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
South Oxhey
Hertfordshire · Hardness: 348 mg/l · pH: 7.1
Southwood
Hampshire · Hardness: 288 mg/l · pH: 7.3
St Ann's Heath
Surrey · Hardness: 295 mg/l · pH: 7.2
St Ann's Hill
Surrey · Hardness: 295 mg/l · pH: 7.2
St John's
Surrey · Hardness: 273 mg/l · pH: 7.4
St Johns
Surrey · Hardness: 345 mg/l · pH: 7
St Julians
Hertfordshire · Hardness: 338 mg/l · pH: 7
St Radigund's
Kent · Hardness: 285 mg/l · pH: 7.1
St Stephens
Hertfordshire · Hardness: 338 mg/l · pH: 7
Stewards
Essex · Hardness: 310 mg/l · pH: 7.2
Stonebridge
Greater London · Hardness: 295 mg/l · pH: 7.3
Stopsley
Luton · Hardness: 345 mg/l · pH: 7.2
Stopsley Common
Luton · Hardness: 288 mg/l · pH: 7.6
Subrosa
Surrey · Hardness: 345 mg/l · pH: 7
Sudbury
Greater London · Hardness: 290 mg/l · pH: 7.4
Sumners
Essex · Hardness: 310 mg/l · pH: 7.2
Sundon Park
Luton · Hardness: 288 mg/l · pH: 7.6
Sunnyside
Hertfordshire · Hardness: 368 mg/l · pH: 7.3
Sutton
Slough · Hardness: 283 mg/l · pH: 7.3
Swanley Bar
Hertfordshire · Hardness: 363 mg/l · pH: 7
Symonds Green
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Temple Ewell
Kent · Hardness: 285 mg/l · pH: 7.1
Temple Fields
Essex · Hardness: 330 mg/l · pH: 7.2
Temple Park
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Terriers
Buckinghamshire · Hardness: 325 mg/l · pH: 7.1
The Camp
Hertfordshire · Hardness: 338 mg/l · pH: 7
The Folly
Hertfordshire · Hardness: 360 mg/l · pH: 7.1
The High
Essex · Hardness: 330 mg/l · pH: 7.2
The Hyde
Greater London · Hardness: 333 mg/l · pH: 7.1
The Rise
Windsor and Maidenhead · Hardness: 288 mg/l · pH: 7.3
The Rookery
Hertfordshire · Hardness: 353 mg/l · pH: 7
The Ryde
Hertfordshire · Hardness: 280 mg/l · pH: 7.4
The Swillett
Hertfordshire · Hardness: 283 mg/l · pH: 7
The Warren
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Thorpe Lea
Surrey · Hardness: 295 mg/l · pH: 7.2
Tokyngton
Greater London · Hardness: 295 mg/l · pH: 7.3
Totteridge
Greater London · Hardness: 270 mg/l · pH: 7.2
Tower Hamlets
Kent · Hardness: 285 mg/l · pH: 7.1
Townsend
Hertfordshire · Hardness: 338 mg/l · pH: 7
Towpath
Surrey · Hardness: 255 mg/l · pH: 7.4
Two Waters
Hertfordshire · Hardness: 283 mg/l · pH: 7
Tye Green
Essex · Hardness: 310 mg/l · pH: 7.2
Tyler's Green
Essex · Hardness: 338 mg/l · pH: 7.3
Underhill
Greater London · Hardness: 295 mg/l · pH: 7.3
Upper Deal
Kent · Hardness: 285 mg/l · pH: 7.1
Upper Walmer
Kent · Hardness: 285 mg/l · pH: 7.1
Upton End
Central Bedfordshire · Hardness: 368 mg/l · pH: 7.3
Uxbridge Moor
Greater London · Hardness: 308 mg/l · pH: 7.3
Walmer
Kent · Hardness: 285 mg/l · pH: 7.1
Walsworth
Hertfordshire · Hardness: 368 mg/l · pH: 7.3
Warden Hill
Luton · Hardness: 288 mg/l · pH: 7.6
Warners End
Hertfordshire · Hardness: 283 mg/l · pH: 7
Water End
Hertfordshire · Hardness: 363 mg/l · pH: 7
Watford Heath
Hertfordshire · Hardness: 353 mg/l · pH: 7
Wealdstone
Greater London · Hardness: 360 mg/l · pH: 7.1
Well End
Hertfordshire · Hardness: 340 mg/l · pH: 7
Wembley Park
Greater London · Hardness: 295 mg/l · pH: 7.3
West End
Central Bedfordshire · Hardness: 288 mg/l · pH: 7.6
West Harrow
Greater London · Hardness: 268 mg/l · pH: 7.3
West Heath
Hampshire · Hardness: 288 mg/l · pH: 7.3
West Ruislip
Greater London · Hardness: 320 mg/l · pH: 7.2
West Watford
Hertfordshire · Hardness: 353 mg/l · pH: 7
Western Heights
Kent · Hardness: 285 mg/l · pH: 7.1
Westmill
Hertfordshire · Hardness: 368 mg/l · pH: 7.3
Wey Meadows
Surrey · Hardness: 255 mg/l · pH: 7.4
Whetstone
Greater London · Hardness: 270 mg/l · pH: 7.2
White Post
Surrey · Hardness: 345 mg/l · pH: 7
Whitegrove
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Wick Hill
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Wick Hill
Wokingham · Hardness: 288 mg/l · pH: 7.3
Wigmore
Luton · Hardness: 345 mg/l · pH: 7.2
Wildridings
Bracknell Forest · Hardness: 288 mg/l · pH: 7.3
Willian
Hertfordshire · Hardness: 318 mg/l · pH: 7.4
Winkwell
Hertfordshire · Hardness: 283 mg/l · pH: 7
Winter Hill
Windsor and Maidenhead · Hardness: 288 mg/l · pH: 7.1
Wooburn Moor
Buckinghamshire · Hardness: 288 mg/l · pH: 7.1
Woodcote
Greater London · Hardness: 345 mg/l · pH: 7
Woodcote Green
Greater London · Hardness: 345 mg/l · pH: 7
Woodhall
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Woodmer End
Central Bedfordshire · Hardness: 368 mg/l · pH: 7.3
Woodside
Hertfordshire · Hardness: 228 mg/l · pH: 7.3
Woodside Park
Greater London · Hardness: 275 mg/l · pH: 7.2
Worcester Park
Greater London · Hardness: 345 mg/l · pH: 7
Wycombe Marsh
Buckinghamshire · Hardness: 288 mg/l · pH: 7.1
Yeading
Greater London · Hardness: 278 mg/l · pH: 7.4
York Town
Surrey · Hardness: 288 mg/l · pH: 7.3
Appspond
Hertfordshire · Hardness: 305 mg/l · pH: 7.2
Barnet
Greater London · Hardness: 270 mg/l · pH: 7.2
Batchworth Heath
Hertfordshire · Hardness: 348 mg/l · pH: 7.1
Colney Street
Hertfordshire · Hardness: 305 mg/l · pH: 7.2
Denham
Greater London · Hardness: 295 mg/l · pH: 7.3
Eastbury
Hertfordshire · Hardness: 348 mg/l · pH: 7.1
Edgware
Greater London · Hardness: 310 mg/l · pH: 7
Feltham
Greater London · Hardness: 280 mg/l · pH: 7.2
Finchley
Greater London · Hardness: 275 mg/l · pH: 7.2
Friern Barnet
Greater London · Hardness: 275 mg/l · pH: 7.2
Greenford
Greater London · Hardness: 305 mg/l · pH: 7.3
Harrow
Greater London · Hardness: 363 mg/l · pH: 7.2
Hayes
Greater London · Hardness: 265 mg/l · pH: 7.4
Henley Park
Surrey · Hardness: 288 mg/l · pH: 7.4
Hillingdon
Greater London · Hardness: 308 mg/l · pH: 7.3
Hollington
Central Bedfordshire · Hardness: 288 mg/l · pH: 7.6
Hunton Bridge
Hertfordshire · Hardness: 305 mg/l · pH: 7
Iver Heath
Buckinghamshire · Hardness: 308 mg/l · pH: 7.3
Kenton
Greater London · Hardness: 360 mg/l · pH: 7.1
Kings Langley
Hertfordshire · Hardness: 305 mg/l · pH: 7
Langley Bottom
Hertfordshire · Hardness: 320 mg/l · pH: 7.1
Moor Park
Hertfordshire · Hardness: 348 mg/l · pH: 7.1
Northwood
Greater London · Hardness: 348 mg/l · pH: 7.1
Pinner
Greater London · Hardness: 268 mg/l · pH: 7.3
Ruislip
Greater London · Hardness: 320 mg/l · pH: 7.2
Someries
Central Bedfordshire · Hardness: 328 mg/l · pH: 7.2
Southall
Greater London · Hardness: 280 mg/l · pH: 7.3
Stanmore
Greater London · Hardness: 353 mg/l · pH: 7.1
Thrales End
Central Bedfordshire · Hardness: 320 mg/l · pH: 7
Uxbridge
Greater London · Hardness: 308 mg/l · pH: 7.3
Wembley
Greater London · Hardness: 295 mg/l · pH: 7.3
West Drayton
Greater London · Hardness: 283 mg/l · pH: 7.3
Yiewsley
Greater London · Hardness: 283 mg/l · pH: 7.3
Official Information
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