Thames Water
London and Thames Valley
Thames Water is the UK's largest water and wastewater company, serving 15 million customers across London and the Thames Valley. The region has predominantly hard water, with London's water sourced from the River Thames and chalk aquifer groundwater.
London and Thames Valley
Region
1093
Cities Covered
271 mg/l
Avg Hardness
Hard
Hardness Class
Cities Served by Thames Water
London
Greater London · Hardness: 260 mg/l · pH: 7.8
London
Greater London · Hardness: 260 mg/l · pH: 7.8
Oxford
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
Westminster
Greater London · Hardness: 260 mg/l · pH: 7.8
Abingdon-on-Thames
Oxfordshire · Hardness: 289 mg/l · pH: 7.3
Aldershot
Hampshire · Hardness: 197 mg/l · pH: 7.3
Aylesbury
Buckinghamshire · Hardness: 287 mg/l · pH: 7.4
Banbury
Oxfordshire · Hardness: 248 mg/l · pH: 7.4
Basingstoke
Hampshire · Hardness: 288 mg/l · pH: 7.7
Bicester
Oxfordshire · Hardness: 249 mg/l · pH: 7.5
Bordon
Hampshire · Hardness: 94 mg/l · pH: 7.3
Brackley
West Northamptonshire · Hardness: 248 mg/l · pH: 7.4
Burford
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Carterton
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Charlbury
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Cheshunt
Hertfordshire · Hardness: 266 mg/l · pH: 7.7
Chigwell
Essex · Hardness: 275 mg/l · pH: 7.8
Chipping Norton
Oxfordshire · Hardness: 276 mg/l · pH: 7.5
Cirencester
Gloucestershire · Hardness: 307 mg/l · pH: 7.3
Cricklade
Wiltshire · Hardness: 305 mg/l · pH: 7.4
Dartford
Kent · Hardness: 310 mg/l · pH: 7.2
Didcot
Oxfordshire · Hardness: 288 mg/l · pH: 7.3
Dorking
Surrey · Hardness: 321 mg/l · pH: 7.1
Epsom
Surrey · Hardness: 321 mg/l · pH: 7.1
Esher
Surrey · Hardness: 251 mg/l · pH: 7.6
Eton
Windsor and Maidenhead · Hardness: 301 mg/l · pH: 7.3
Ewell
Surrey · Hardness: 321 mg/l · pH: 7.1
Faringdon
Oxfordshire · Hardness: 252 mg/l · pH: 7.5
Farnham
Surrey · Hardness: 197 mg/l · pH: 7.3
Godalming
Surrey · Hardness: 136 mg/l · pH: 7.3
Gravesend
Kent · Hardness: 310 mg/l · pH: 7.2
Grays
Thurrock · Hardness: 310 mg/l · pH: 7.2
Guildford
Surrey · Hardness: 206 mg/l · pH: 7.3
Haslemere
Surrey · Hardness: 94 mg/l · pH: 7.3
Henley-on-Thames
Oxfordshire · Hardness: 329 mg/l · pH: 7.1
Highworth
Swindon · Hardness: 281 mg/l · pH: 7.6
Hoddesdon
Hertfordshire · Hardness: 278 mg/l · pH: 7.7
Horsham
West Sussex · Hardness: 76 mg/l · pH: 7.6
Hungerford
West Berkshire · Hardness: 313 mg/l · pH: 7.3
Kidlington
Oxfordshire · Hardness: 255 mg/l · pH: 7.5
Leatherhead
Surrey · Hardness: 321 mg/l · pH: 7.1
Lechlade-on-Thames
Gloucestershire · Hardness: 281 mg/l · pH: 7.6
Loughton
Essex · Hardness: 275 mg/l · pH: 7.8
Maidenhead
Windsor and Maidenhead · Hardness: 301 mg/l · pH: 7.3
Marlborough
Wiltshire · Hardness: 302 mg/l · pH: 7.3
Marlow
Buckinghamshire · Hardness: 329 mg/l · pH: 7.1
Midhurst
West Sussex · Hardness: 94 mg/l · pH: 7.3
Moreton-in-Marsh
Gloucestershire · Hardness: 276 mg/l · pH: 7.5
Newbury
West Berkshire · Hardness: 262 mg/l · pH: 7.4
Northfleet
Kent · Hardness: 310 mg/l · pH: 7.2
Petworth
West Sussex · Hardness: 94 mg/l · pH: 7.3
Princes Risborough
Buckinghamshire · Hardness: 287 mg/l · pH: 7.4
Reading
Reading · Hardness: 260 mg/l · pH: 7.7
Reigate
Surrey · Hardness: 321 mg/l · pH: 7.1
Royal Wootton Bassett
Wiltshire · Hardness: 287 mg/l · pH: 7.3
Sevenoaks
Kent · Hardness: 327 mg/l · pH: 7.2
Shipston-on-Stour
Warwickshire · Hardness: 276 mg/l · pH: 7.5
Slough
Slough · Hardness: 301 mg/l · pH: 7.3
Stow-on-the-Wold
Gloucestershire · Hardness: 276 mg/l · pH: 7.5
Sunbury-on-Thames
Surrey · Hardness: 253 mg/l · pH: 7.8
Swanley
Kent · Hardness: 327 mg/l · pH: 7.2
Swanscombe
Kent · Hardness: 310 mg/l · pH: 7.2
Swindon
Swindon · Hardness: 287 mg/l · pH: 7.3
Tadley
Hampshire · Hardness: 288 mg/l · pH: 7.7
Thame
Oxfordshire · Hardness: 287 mg/l · pH: 7.4
Thatcham
West Berkshire · Hardness: 262 mg/l · pH: 7.4
Tilbury
Thurrock · Hardness: 310 mg/l · pH: 7.2
Wallingford
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Waltham Abbey
Essex · Hardness: 269 mg/l · pH: 7.7
Waltham Cross
Hertfordshire · Hardness: 266 mg/l · pH: 7.7
Wantage
Oxfordshire · Hardness: 296 mg/l · pH: 7.3
Warlingham
Surrey · Hardness: 303 mg/l · pH: 7.3
Watlington
Oxfordshire · Hardness: 278 mg/l · pH: 7.3
Westerham
Kent · Hardness: 295 mg/l · pH: 7.3
Windsor
Windsor and Maidenhead · Hardness: 301 mg/l · pH: 7.3
Witney
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Wokingham
Wokingham · Hardness: 260 mg/l · pH: 7.7
Woodley
Wokingham · Hardness: 260 mg/l · pH: 7.7
Woodstock
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Abridge
Essex · Hardness: 275 mg/l · pH: 7.8
Albury
Surrey · Hardness: 206 mg/l · pH: 7.3
Alvescot
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Appleford-on-Thames
Oxfordshire · Hardness: 288 mg/l · pH: 7.3
Appleton
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
Artington
Surrey · Hardness: 206 mg/l · pH: 7.3
Ashampstead
West Berkshire · Hardness: 309 mg/l · pH: 7.3
Ashford Common
Surrey · Hardness: 253 mg/l · pH: 7.8
Aston
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Aston Tirrold
Oxfordshire · Hardness: 288 mg/l · pH: 7.3
Aston Upthorpe
Oxfordshire · Hardness: 288 mg/l · pH: 7.3
Bampton
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Beech Hill
West Berkshire · Hardness: 315 mg/l · pH: 7.2
Benson
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Berrick Salome
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Binscombe
Surrey · Hardness: 136 mg/l · pH: 7.3
Black Bourton
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Blackheath
Surrey · Hardness: 206 mg/l · pH: 7.3
Blewbury
Oxfordshire · Hardness: 288 mg/l · pH: 7.3
Blunsdon St Andrew
Swindon · Hardness: 275 mg/l · pH: 7.6
Boars Hill
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
Botany Bay
Greater London · Hardness: 262 mg/l · pH: 7.8
Bradfield
West Berkshire · Hardness: 309 mg/l · pH: 7.3
Bradwell
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Bramley
Surrey · Hardness: 136 mg/l · pH: 7.3
Breach Barns
Essex · Hardness: 279 mg/l · pH: 7.7
Brickendon
Hertfordshire · Hardness: 281 mg/l · pH: 7.7
Brighthampton
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Brightwell-cum-Sotwell
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Brize Norton
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Broad Blunsdon
Swindon · Hardness: 275 mg/l · pH: 7.6
Broadford
Surrey · Hardness: 136 mg/l · pH: 7.3
Broadwell
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Brookhampton
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Broughton Poggs
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Burcot
Oxfordshire · Hardness: 288 mg/l · pH: 7.3
Burghfield
West Berkshire · Hardness: 309 mg/l · pH: 7.3
Burnt Hill
West Berkshire · Hardness: 309 mg/l · pH: 7.3
Burntcommon
Surrey · Hardness: 287 mg/l · pH: 7.3
Busbridge
Surrey · Hardness: 136 mg/l · pH: 7.3
Cassington
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
Chalkhouse Green
Oxfordshire · Hardness: 315 mg/l · pH: 7.2
Charlton
Surrey · Hardness: 253 mg/l · pH: 7.8
Chawley
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
Chazey Heath
Oxfordshire · Hardness: 315 mg/l · pH: 7.2
Checkendon
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Chelsham
Surrey · Hardness: 303 mg/l · pH: 7.3
Chigwell Row
Essex · Hardness: 275 mg/l · pH: 7.8
Chilton
Oxfordshire · Hardness: 288 mg/l · pH: 7.3
Chilworth
Surrey · Hardness: 206 mg/l · pH: 7.3
Cholsey
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Clanfield
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Claygate
Surrey · Hardness: 251 mg/l · pH: 7.6
Coldblow
Greater London · Hardness: 284 mg/l · pH: 7.4
Compton
West Berkshire · Hardness: 288 mg/l · pH: 7.3
Cote
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Crawley
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Cray's Pond
Oxfordshire · Hardness: 309 mg/l · pH: 7.3
Crews Hill
Greater London · Hardness: 268 mg/l · pH: 7.8
Crowmarsh Gifford
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Cuffley
Hertfordshire · Hardness: 281 mg/l · pH: 7.7
Cumnor
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
Curbridge
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Delly End
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Dorchester
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Downside
Surrey · Hardness: 251 mg/l · pH: 7.6
Drayton St Leonard
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Ducklington
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Dunsfold
Surrey · Hardness: 152 mg/l · pH: 7.4
East Clandon
Surrey · Hardness: 287 mg/l · pH: 7.3
East Hagbourne
Oxfordshire · Hardness: 288 mg/l · pH: 7.3
East Horsley
Surrey · Hardness: 287 mg/l · pH: 7.3
East Ilsley
West Berkshire · Hardness: 288 mg/l · pH: 7.3
East Molesey
Surrey · Hardness: 255 mg/l · pH: 7.6
Effingham
Surrey · Hardness: 251 mg/l · pH: 7.6
Elsfield
Oxfordshire · Hardness: 255 mg/l · pH: 7.5
Englefield
West Berkshire · Hardness: 309 mg/l · pH: 7.3
Epping Green
Hertfordshire · Hardness: 281 mg/l · pH: 7.7
Ewelme
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Eynsham
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
Farleigh
Surrey · Hardness: 303 mg/l · pH: 7.3
Farmoor
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
Farncombe
Surrey · Hardness: 136 mg/l · pH: 7.3
Filkins
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Finstock
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Fulbrook
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Gallowstree Common
Oxfordshire · Hardness: 315 mg/l · pH: 7.2
Goff's Oak
Hertfordshire · Hardness: 281 mg/l · pH: 7.7
Goring
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Great Lea Common
Wokingham · Hardness: 315 mg/l · pH: 7.2
Hailey
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Hailey
Hertfordshire · Hardness: 278 mg/l · pH: 7.7
Hampton Poyle
Oxfordshire · Hardness: 255 mg/l · pH: 7.5
Harwell
Oxfordshire · Hardness: 288 mg/l · pH: 7.3
Henwood
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
Hersham
Surrey · Hardness: 251 mg/l · pH: 7.6
High Beech
Essex · Hardness: 266 mg/l · pH: 7.8
Hinchley Wood
Surrey · Hardness: 251 mg/l · pH: 7.6
Hungerford Green
West Berkshire · Hardness: 268 mg/l · pH: 7.7
Ipsden
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Islip
Oxfordshire · Hardness: 255 mg/l · pH: 7.5
Jacobs Well
Surrey · Hardness: 287 mg/l · pH: 7.3
Joyden's Wood
Kent · Hardness: 284 mg/l · pH: 7.4
Kencot
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Keston
Greater London · Hardness: 280 mg/l · pH: 7.5
Kidmore End
Oxfordshire · Hardness: 315 mg/l · pH: 7.2
Lambourn
West Berkshire · Hardness: 309 mg/l · pH: 7.4
Lambourne End
Essex · Hardness: 275 mg/l · pH: 7.8
Langford
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Leafield
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Little Berkhamsted
Hertfordshire · Hardness: 281 mg/l · pH: 7.7
Little Bookham
Surrey · Hardness: 251 mg/l · pH: 7.6
Little Faringdon
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Littleton Common
Surrey · Hardness: 253 mg/l · pH: 7.8
Long Ditton
Surrey · Hardness: 262 mg/l · pH: 7.8
Long Wittenham
Oxfordshire · Hardness: 288 mg/l · pH: 7.3
Lower Basildon
West Berkshire · Hardness: 309 mg/l · pH: 7.3
Lower Nazeing
Essex · Hardness: 278 mg/l · pH: 7.7
Lydiard Millicent
Wiltshire · Hardness: 275 mg/l · pH: 7.6
Milford
Surrey · Hardness: 136 mg/l · pH: 7.3
Milton
Oxfordshire · Hardness: 288 mg/l · pH: 7.3
Milton Heights
Oxfordshire · Hardness: 288 mg/l · pH: 7.3
Minster Lovell
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Mongewell
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Moulsford
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Mousehill
Surrey · Hardness: 136 mg/l · pH: 7.3
New Town
West Berkshire · Hardness: 309 mg/l · pH: 7.3
New Yatt
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Newgate Street
Hertfordshire · Hardness: 281 mg/l · pH: 7.7
Newington
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Noke
Oxfordshire · Hardness: 255 mg/l · pH: 7.5
Norney
Surrey · Hardness: 136 mg/l · pH: 7.3
North Cray
Greater London · Hardness: 284 mg/l · pH: 7.4
North Leigh
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
North Moreton
Oxfordshire · Hardness: 288 mg/l · pH: 7.3
North Stoke
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Northmoor
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
Nuffield
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Oddington
Oxfordshire · Hardness: 255 mg/l · pH: 7.5
Pangbourne
West Berkshire · Hardness: 309 mg/l · pH: 7.3
Peasmarsh
Surrey · Hardness: 136 mg/l · pH: 7.3
Peper Harow
Surrey · Hardness: 136 mg/l · pH: 7.3
Poffley End
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Preston Crowmarsh
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Pyle Hill
Surrey · Hardness: 287 mg/l · pH: 7.3
Ramsden
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Roke
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Rowstock
Oxfordshire · Hardness: 288 mg/l · pH: 7.3
Roydon Hamlet
Essex · Hardness: 278 mg/l · pH: 7.7
Ruxley
Greater London · Hardness: 331 mg/l · pH: 7.2
Send
Surrey · Hardness: 287 mg/l · pH: 7.3
Send Marsh
Surrey · Hardness: 287 mg/l · pH: 7.3
Sewardstone
Essex · Hardness: 269 mg/l · pH: 7.7
Sewardstonebury
Essex · Hardness: 275 mg/l · pH: 7.8
Shalford
Surrey · Hardness: 206 mg/l · pH: 7.3
Shere
Surrey · Hardness: 206 mg/l · pH: 7.3
Shillingford
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Shilton
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
South Hinksey
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
South Leigh
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
South Marston
Swindon · Hardness: 263 mg/l · pH: 7.5
South Moreton
Oxfordshire · Hardness: 288 mg/l · pH: 7.3
South Stoke
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Southend
West Berkshire · Hardness: 309 mg/l · pH: 7.3
St Margarets
Hertfordshire · Hardness: 278 mg/l · pH: 7.7
Stadhampton
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Standlake
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Stanford Dingley
West Berkshire · Hardness: 309 mg/l · pH: 7.3
Stanstead Abbotts
Hertfordshire · Hardness: 278 mg/l · pH: 7.7
Stanton Harcourt
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
Steventon
Oxfordshire · Hardness: 288 mg/l · pH: 7.3
Stoke D'Abernon
Surrey · Hardness: 251 mg/l · pH: 7.6
Stoke Row
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Stratton St Margaret
Swindon · Hardness: 275 mg/l · pH: 7.6
Streatley
West Berkshire · Hardness: 268 mg/l · pH: 7.7
Sulham
West Berkshire · Hardness: 309 mg/l · pH: 7.3
Sulhamstead
West Berkshire · Hardness: 309 mg/l · pH: 7.3
Sutton
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
Sutton Green
Surrey · Hardness: 287 mg/l · pH: 7.3
Swinbrook
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Thames Ditton
Surrey · Hardness: 255 mg/l · pH: 7.6
Theale
West Berkshire · Hardness: 309 mg/l · pH: 7.3
Thorncombe Street
Surrey · Hardness: 136 mg/l · pH: 7.3
Tidmarsh
West Berkshire · Hardness: 309 mg/l · pH: 7.3
Tokers Green
Oxfordshire · Hardness: 315 mg/l · pH: 7.2
Tutts Clump
West Berkshire · Hardness: 309 mg/l · pH: 7.3
Upper Basildon
West Berkshire · Hardness: 309 mg/l · pH: 7.3
Upper Eashing
Surrey · Hardness: 136 mg/l · pH: 7.3
Upton
Oxfordshire · Hardness: 288 mg/l · pH: 7.3
Warborough
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Wennington
Greater London · Hardness: 342 mg/l · pH: 7.2
West Clandon
Surrey · Hardness: 287 mg/l · pH: 7.3
West Hagbourne
Oxfordshire · Hardness: 288 mg/l · pH: 7.3
West Horsley
Surrey · Hardness: 287 mg/l · pH: 7.3
West Molesey
Surrey · Hardness: 255 mg/l · pH: 7.6
Weston Green
Surrey · Hardness: 255 mg/l · pH: 7.6
Whitchurch Hill
Oxfordshire · Hardness: 309 mg/l · pH: 7.3
Whitchurch-on-Thames
Oxfordshire · Hardness: 309 mg/l · pH: 7.3
Whyteleafe
Surrey · Hardness: 303 mg/l · pH: 7.3
Woldingham Garden Village
Surrey · Hardness: 303 mg/l · pH: 7.3
Wolvercote
Oxfordshire · Hardness: 255 mg/l · pH: 7.5
Wonersh
Surrey · Hardness: 136 mg/l · pH: 7.3
Woodcote
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Wormley
Surrey · Hardness: 143 mg/l · pH: 7.4
Wormley West End
Hertfordshire · Hardness: 281 mg/l · pH: 7.7
Worplesdon
Surrey · Hardness: 287 mg/l · pH: 7.3
Wytham
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
Yarnton
Oxfordshire · Hardness: 255 mg/l · pH: 7.5
Aaron's Hill
Surrey · Hardness: 136 mg/l · pH: 7.3
Abbey Meads
Swindon · Hardness: 275 mg/l · pH: 7.6
Abbey Wood
Greater London · Hardness: 341 mg/l · pH: 7.4
Abbotswood
Surrey · Hardness: 206 mg/l · pH: 7.3
Acton Green
Greater London · Hardness: 262 mg/l · pH: 7.8
Addington
Greater London · Hardness: 290 mg/l · pH: 7.4
Addiscombe
Greater London · Hardness: 303 mg/l · pH: 7.3
Aldborough Hatch
Greater London · Hardness: 265 mg/l · pH: 7.8
Aldersbrook
Greater London · Hardness: 280 mg/l · pH: 7.8
Alexandra Park
Greater London · Hardness: 258 mg/l · pH: 7.8
Anerley
Greater London · Hardness: 290 mg/l · pH: 7.4
Ash Brake
Swindon · Hardness: 275 mg/l · pH: 7.6
Astrop
West Northamptonshire · Hardness: 248 mg/l · pH: 7.4
Avery Hill
Greater London · Hardness: 274 mg/l · pH: 7.6
Balham
Greater London · Hardness: 260 mg/l · pH: 7.8
Bandonhill
Greater London · Hardness: 303 mg/l · pH: 7.3
Barking Riverside
Greater London · Hardness: 342 mg/l · pH: 7.2
Barkingside
Greater London · Hardness: 265 mg/l · pH: 7.8
Barnehurst
Greater London · Hardness: 359 mg/l · pH: 7.1
Barnsbury
Greater London · Hardness: 260 mg/l · pH: 7.8
Barton
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
Bayswater
Greater London · Hardness: 257 mg/l · pH: 7.8
Beckton
Greater London · Hardness: 341 mg/l · pH: 7.4
Becontree
Greater London · Hardness: 342 mg/l · pH: 7.2
Becontree Heath
Greater London · Hardness: 342 mg/l · pH: 7.2
Beddington
Greater London · Hardness: 303 mg/l · pH: 7.3
Beddington Corner
Greater London · Hardness: 262 mg/l · pH: 7.7
Bedford Park
Greater London · Hardness: 267 mg/l · pH: 7.8
Belgravia
Greater London · Hardness: 256 mg/l · pH: 7.8
Bell Green
Greater London · Hardness: 290 mg/l · pH: 7.4
Bellfields
Surrey · Hardness: 206 mg/l · pH: 7.3
Bellingham
Greater London · Hardness: 290 mg/l · pH: 7.4
Belmont
Oxfordshire · Hardness: 296 mg/l · pH: 7.3
Berrylands
Greater London · Hardness: 262 mg/l · pH: 7.8
Bessels Green
Kent · Hardness: 295 mg/l · pH: 7.3
Bexleyheath
Greater London · Hardness: 359 mg/l · pH: 7.1
Bicester Village
Oxfordshire · Hardness: 249 mg/l · pH: 7.5
Bickley
Greater London · Hardness: 280 mg/l · pH: 7.5
Blackbird Leys
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
Blackfen
Greater London · Hardness: 331 mg/l · pH: 7.2
Blackheath
Greater London · Hardness: 279 mg/l · pH: 7.7
Blackheath Park
Greater London · Hardness: 279 mg/l · pH: 7.7
Blackwall
Greater London · Hardness: 282 mg/l · pH: 7.8
Blenheim
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
Bloomsbury
Greater London · Hardness: 257 mg/l · pH: 7.8
Bostall Heath
Greater London · Hardness: 342 mg/l · pH: 7.2
Bostall Woods
Greater London · Hardness: 341 mg/l · pH: 7.4
Botley
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
Bounds Green
Greater London · Hardness: 258 mg/l · pH: 7.8
Bow Common
Greater London · Hardness: 282 mg/l · pH: 7.8
Bowes Park
Greater London · Hardness: 258 mg/l · pH: 7.8
Bowmans
Kent · Hardness: 284 mg/l · pH: 7.4
Brentford End
Greater London · Hardness: 262 mg/l · pH: 7.8
Bridge End
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Brimsdown
Greater London · Hardness: 269 mg/l · pH: 7.7
Brixton
Greater London · Hardness: 261 mg/l · pH: 7.8
Broad Green
Greater London · Hardness: 303 mg/l · pH: 7.3
Brockley
Greater London · Hardness: 279 mg/l · pH: 7.7
Brockwell Park
Greater London · Hardness: 261 mg/l · pH: 7.8
Bromley
Greater London · Hardness: 282 mg/l · pH: 7.8
Bromley Common
Greater London · Hardness: 280 mg/l · pH: 7.5
Bromley Park
Greater London · Hardness: 280 mg/l · pH: 7.5
Brompton
Greater London · Hardness: 256 mg/l · pH: 7.8
Brondesbury
Greater London · Hardness: 260 mg/l · pH: 7.8
Brondesbury Park
Greater London · Hardness: 259 mg/l · pH: 7.8
Brook Green
Greater London · Hardness: 267 mg/l · pH: 7.8
Broom Hill
Greater London · Hardness: 295 mg/l · pH: 7.3
Brownswood Park
Greater London · Hardness: 259 mg/l · pH: 7.8
Broxbourne
Hertfordshire · Hardness: 278 mg/l · pH: 7.7
Brunswick Park
Greater London · Hardness: 265 mg/l · pH: 7.8
Bulls Cross
Greater London · Hardness: 269 mg/l · pH: 7.7
Bullsmoor
Greater London · Hardness: 266 mg/l · pH: 7.7
Bure Park
Oxfordshire · Hardness: 249 mg/l · pH: 7.5
Burghfield Hill
West Berkshire · Hardness: 309 mg/l · pH: 7.3
Burpham
Surrey · Hardness: 287 mg/l · pH: 7.3
Bury Green
Hertfordshire · Hardness: 266 mg/l · pH: 7.7
Bush Hill Park
Greater London · Hardness: 265 mg/l · pH: 7.8
Bushey Mead
Greater London · Hardness: 260 mg/l · pH: 7.8
Bushy Hill
Surrey · Hardness: 206 mg/l · pH: 7.3
Calcot
West Berkshire · Hardness: 309 mg/l · pH: 7.3
Calcot Row
West Berkshire · Hardness: 309 mg/l · pH: 7.3
Calthorpe
Oxfordshire · Hardness: 248 mg/l · pH: 7.4
Canning Town
Greater London · Hardness: 282 mg/l · pH: 7.8
Canonbury
Greater London · Hardness: 259 mg/l · pH: 7.8
Cartbridge
Surrey · Hardness: 287 mg/l · pH: 7.3
Catteshall
Surrey · Hardness: 136 mg/l · pH: 7.3
Caversham Heights
Reading · Hardness: 315 mg/l · pH: 7.2
Chadwell Heath
Greater London · Hardness: 265 mg/l · pH: 7.8
Charlton
Oxfordshire · Hardness: 296 mg/l · pH: 7.3
Charlton
Greater London · Hardness: 341 mg/l · pH: 7.4
Chelsfield
Greater London · Hardness: 295 mg/l · pH: 7.3
Childs Hill
Greater London · Hardness: 256 mg/l · pH: 7.8
Chingford Green
Greater London · Hardness: 275 mg/l · pH: 7.8
Chingford Hatch
Greater London · Hardness: 275 mg/l · pH: 7.8
Chipstead
Kent · Hardness: 295 mg/l · pH: 7.3
Chislehurst West
Greater London · Hardness: 331 mg/l · pH: 7.2
Church End
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Church End
West Northamptonshire · Hardness: 248 mg/l · pH: 7.4
Church End
Greater London · Hardness: 259 mg/l · pH: 7.8
Churchend
Reading · Hardness: 309 mg/l · pH: 7.3
Churchgate
Hertfordshire · Hardness: 266 mg/l · pH: 7.7
Clapham Common
Greater London · Hardness: 260 mg/l · pH: 7.8
Clapham Junction
Greater London · Hardness: 255 mg/l · pH: 7.8
Clapham Park
Greater London · Hardness: 260 mg/l · pH: 7.8
Clapton Park
Greater London · Hardness: 280 mg/l · pH: 7.8
Clayhall
Greater London · Hardness: 265 mg/l · pH: 7.8
Cleeve
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Clerkenwell
Greater London · Hardness: 260 mg/l · pH: 7.8
Cogges
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Cold Harbour
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
Coley
Reading · Hardness: 315 mg/l · pH: 7.2
College Park
Greater London · Hardness: 259 mg/l · pH: 7.8
Collier Row
Greater London · Hardness: 275 mg/l · pH: 7.8
Collier's Wood
Greater London · Hardness: 260 mg/l · pH: 7.8
Coney Hall
Greater London · Hardness: 280 mg/l · pH: 7.5
Coombe
Greater London · Hardness: 262 mg/l · pH: 7.8
Copse Hill
Greater London · Hardness: 260 mg/l · pH: 7.8
Cottenham Park
Greater London · Hardness: 260 mg/l · pH: 7.8
Covingham
Swindon · Hardness: 263 mg/l · pH: 7.5
Cowley
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
Cranbrook
Greater London · Hardness: 265 mg/l · pH: 7.8
Cranley Gardens
Greater London · Hardness: 263 mg/l · pH: 7.8
Craven Walk
Greater London · Hardness: 268 mg/l · pH: 7.8
Creekmouth
Greater London · Hardness: 342 mg/l · pH: 7.2
Cricklewood
Greater London · Hardness: 260 mg/l · pH: 7.8
Crofton
Greater London · Hardness: 295 mg/l · pH: 7.3
Crooked Billet
Greater London · Hardness: 260 mg/l · pH: 7.8
Crouch End
Greater London · Hardness: 263 mg/l · pH: 7.8
Crownpits
Surrey · Hardness: 136 mg/l · pH: 7.3
Cubitt Town
Greater London · Hardness: 259 mg/l · pH: 7.8
Cumnor Hill
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
Custom House
Greater London · Hardness: 277 mg/l · pH: 7.8
Cutteslowe
Oxfordshire · Hardness: 255 mg/l · pH: 7.5
Cyprus
Greater London · Hardness: 341 mg/l · pH: 7.4
Dalston
Greater London · Hardness: 280 mg/l · pH: 7.8
Dartmouth Park
Greater London · Hardness: 263 mg/l · pH: 7.8
De Beauvoir Town
Greater London · Hardness: 259 mg/l · pH: 7.8
Dean Court
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
Debden Green
Essex · Hardness: 266 mg/l · pH: 7.8
Derry Downs
Greater London · Hardness: 295 mg/l · pH: 7.3
Dobb's Weir
Essex · Hardness: 278 mg/l · pH: 7.7
Docklands
Greater London · Hardness: 282 mg/l · pH: 7.8
Dollis Hill
Greater London · Hardness: 259 mg/l · pH: 7.8
Dorcan
Swindon · Hardness: 263 mg/l · pH: 7.5
Downham
Greater London · Hardness: 280 mg/l · pH: 7.5
Dudden Hill
Greater London · Hardness: 259 mg/l · pH: 7.8
Dulwich
Greater London · Hardness: 255 mg/l · pH: 7.7
Dulwich Village
Greater London · Hardness: 255 mg/l · pH: 7.7
Earl's Court
Greater London · Hardness: 257 mg/l · pH: 7.8
Earlsfield
Greater London · Hardness: 262 mg/l · pH: 7.8
Easington
Oxfordshire · Hardness: 248 mg/l · pH: 7.4
East Acton
Greater London · Hardness: 267 mg/l · pH: 7.8
East Dulwich
Greater London · Hardness: 255 mg/l · pH: 7.7
East Sheen
Greater London · Hardness: 251 mg/l · pH: 7.8
East Wickham
Greater London · Hardness: 341 mg/l · pH: 7.4
Eden Park
Greater London · Hardness: 290 mg/l · pH: 7.4
Effingham Common
Surrey · Hardness: 251 mg/l · pH: 7.6
Eldene
Swindon · Hardness: 263 mg/l · pH: 7.5
Elm Park
Greater London · Hardness: 342 mg/l · pH: 7.2
Elmers End
Greater London · Hardness: 290 mg/l · pH: 7.4
Elmstead
Greater London · Hardness: 280 mg/l · pH: 7.5
Enfield Highway
Greater London · Hardness: 269 mg/l · pH: 7.7
Enfield Island Village
Greater London · Hardness: 269 mg/l · pH: 7.7
Enfield Lock
Greater London · Hardness: 269 mg/l · pH: 7.7
Enfield Town
Greater London · Hardness: 269 mg/l · pH: 7.7
Enfield Wash
Greater London · Hardness: 269 mg/l · pH: 7.7
Fairlop
Greater London · Hardness: 275 mg/l · pH: 7.8
Fairmile
Surrey · Hardness: 251 mg/l · pH: 7.6
Falconwood
Greater London · Hardness: 274 mg/l · pH: 7.6
Farnborough
Greater London · Hardness: 295 mg/l · pH: 7.3
Felthamhill
Surrey · Hardness: 253 mg/l · pH: 7.8
Finsbury
Greater London · Hardness: 260 mg/l · pH: 7.8
Finsbury Park
Greater London · Hardness: 259 mg/l · pH: 7.8
Fitzrovia
Greater London · Hardness: 257 mg/l · pH: 7.8
Flamstead End
Hertfordshire · Hardness: 281 mg/l · pH: 7.7
Florence Park
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
Foots Cray
Greater London · Hardness: 331 mg/l · pH: 7.2
Forest Gate
Greater London · Hardness: 277 mg/l · pH: 7.8
Forest Hill
Greater London · Hardness: 255 mg/l · pH: 7.7
Forestdale
Greater London · Hardness: 303 mg/l · pH: 7.3
Fortis Green
Greater London · Hardness: 263 mg/l · pH: 7.8
Forty Hill
Greater London · Hardness: 269 mg/l · pH: 7.7
Freezy Water
Greater London · Hardness: 269 mg/l · pH: 7.7
Friday Hill
Greater London · Hardness: 275 mg/l · pH: 7.8
Frith Hill
Surrey · Hardness: 136 mg/l · pH: 7.3
Fullwell Cross
Greater London · Hardness: 265 mg/l · pH: 7.8
Furzedown
Greater London · Hardness: 262 mg/l · pH: 7.8
Gants Hill
Greater London · Hardness: 265 mg/l · pH: 7.8
Garden City
Oxfordshire · Hardness: 255 mg/l · pH: 7.5
Glen Faba
Essex · Hardness: 278 mg/l · pH: 7.7
Globe Town
Greater London · Hardness: 270 mg/l · pH: 7.8
Goddington
Greater London · Hardness: 295 mg/l · pH: 7.3
Goodmayes
Greater London · Hardness: 265 mg/l · pH: 7.8
Gorse Hill
Swindon · Hardness: 275 mg/l · pH: 7.6
Gospel Oak
Greater London · Hardness: 263 mg/l · pH: 7.8
Grandpont
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
Grange Hill
Essex · Hardness: 275 mg/l · pH: 7.8
Grange Park
Greater London · Hardness: 265 mg/l · pH: 7.8
Greatness
Kent · Hardness: 327 mg/l · pH: 7.2
Greatpark
Surrey · Hardness: 303 mg/l · pH: 7.3
Green Street Green
Greater London · Hardness: 295 mg/l · pH: 7.3
Greenmeadow
Swindon · Hardness: 275 mg/l · pH: 7.6
Greenwood
Oxfordshire · Hardness: 249 mg/l · pH: 7.5
Grimsbury
Oxfordshire · Hardness: 248 mg/l · pH: 7.4
Groundwell
Swindon · Hardness: 275 mg/l · pH: 7.6
Grove Heath
Surrey · Hardness: 287 mg/l · pH: 7.3
Grove Park
Greater London · Hardness: 262 mg/l · pH: 7.8
Grove Park
Greater London · Hardness: 280 mg/l · pH: 7.5
Gunnersbury
Greater London · Hardness: 262 mg/l · pH: 7.8
Hackbridge
Greater London · Hardness: 262 mg/l · pH: 7.7
Hackney Marsh
Greater London · Hardness: 277 mg/l · pH: 7.8
Hackney Wick
Greater London · Hardness: 282 mg/l · pH: 7.8
Hadley Wood
Greater London · Hardness: 262 mg/l · pH: 7.8
Haggerston
Greater London · Hardness: 270 mg/l · pH: 7.8
Hainault
Greater London · Hardness: 275 mg/l · pH: 7.8
Hale End
Greater London · Hardness: 275 mg/l · pH: 7.8
Ham
Greater London · Hardness: 259 mg/l · pH: 7.8
Hammond Street
Hertfordshire · Hardness: 281 mg/l · pH: 7.7
Hampstead Heath
Greater London · Hardness: 256 mg/l · pH: 7.8
Hampton Court
Greater London · Hardness: 259 mg/l · pH: 7.8
Hampton Hill
Greater London · Hardness: 259 mg/l · pH: 7.8
Hampton Wick
Greater London · Hardness: 262 mg/l · pH: 7.8
Hanwell
Greater London · Hardness: 275 mg/l · pH: 7.8
Harcourt Hill
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
Hardwick
Oxfordshire · Hardness: 248 mg/l · pH: 7.4
Harlesden
Greater London · Hardness: 259 mg/l · pH: 7.8
Harringay
Greater London · Hardness: 263 mg/l · pH: 7.8
Haydon Wick
Swindon · Hardness: 275 mg/l · pH: 7.6
Hayes
Greater London · Hardness: 280 mg/l · pH: 7.5
Headington
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
Headington Hill
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
Headington Quarry
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
Hemdean Bottom
Reading · Hardness: 315 mg/l · pH: 7.2
Hensington
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Herne Hill
Greater London · Hardness: 255 mg/l · pH: 7.7
Heston
Greater London · Hardness: 263 mg/l · pH: 7.7
Higham Hill
Greater London · Hardness: 278 mg/l · pH: 7.8
Highams Park
Greater London · Hardness: 275 mg/l · pH: 7.8
Highbury
Greater London · Hardness: 259 mg/l · pH: 7.8
Highfield
Oxfordshire · Hardness: 249 mg/l · pH: 7.5
Highgate
Greater London · Hardness: 263 mg/l · pH: 7.8
Highlands Village
Greater London · Hardness: 268 mg/l · pH: 7.7
Hillmead
Swindon · Hardness: 275 mg/l · pH: 7.6
Hither Green
Greater London · Hardness: 279 mg/l · pH: 7.7
Holborn
Greater London · Hardness: 257 mg/l · pH: 7.8
Holdbrook
Hertfordshire · Hardness: 269 mg/l · pH: 7.7
Holloway Hill
Surrey · Hardness: 136 mg/l · pH: 7.3
Homerton
Greater London · Hardness: 280 mg/l · pH: 7.8
Honor Oak
Greater London · Hardness: 255 mg/l · pH: 7.7
Honor Oak Park
Greater London · Hardness: 279 mg/l · pH: 7.7
Hook
Greater London · Hardness: 251 mg/l · pH: 7.6
Horncastle
Reading · Hardness: 309 mg/l · pH: 7.3
Horpit
Swindon · Hardness: 263 mg/l · pH: 7.5
Hounslow West
Greater London · Hardness: 263 mg/l · pH: 7.7
Hoxton
Greater London · Hardness: 260 mg/l · pH: 7.8
Hyde Park Corner
Greater London · Hardness: 260 mg/l · pH: 7.8
Iffley
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
Jericho
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
Kempton Park
Surrey · Hardness: 253 mg/l · pH: 7.8
Kennington
Greater London · Hardness: 257 mg/l · pH: 7.8
Kensal Green
Greater London · Hardness: 259 mg/l · pH: 7.8
Kensal Rise
Greater London · Hardness: 260 mg/l · pH: 7.8
Kensal Town
Greater London · Hardness: 257 mg/l · pH: 7.8
Kentish Town
Greater London · Hardness: 263 mg/l · pH: 7.8
Keston Mark
Greater London · Hardness: 280 mg/l · pH: 7.5
Kew
Greater London · Hardness: 251 mg/l · pH: 7.8
Kidbrooke
Greater London · Hardness: 274 mg/l · pH: 7.6
Kilburn
Greater London · Hardness: 260 mg/l · pH: 7.8
King's Cross
Greater London · Hardness: 260 mg/l · pH: 7.8
King's End
Oxfordshire · Hardness: 249 mg/l · pH: 7.5
Kingsdown
Swindon · Hardness: 275 mg/l · pH: 7.6
Kingsland
Greater London · Hardness: 280 mg/l · pH: 7.8
Kingston Hill
Greater London · Hardness: 262 mg/l · pH: 7.8
Kingston Vale
Greater London · Hardness: 262 mg/l · pH: 7.8
Kippington
Kent · Hardness: 295 mg/l · pH: 7.3
Knatts Valley
Kent · Hardness: 327 mg/l · pH: 7.2
Knightsbridge
Greater London · Hardness: 257 mg/l · pH: 7.8
Ladywell
Greater London · Hardness: 279 mg/l · pH: 7.7
Lambeth
Greater London · Hardness: 274 mg/l · pH: 7.8
Lampton
Greater London · Hardness: 263 mg/l · pH: 7.7
Langford Village
Oxfordshire · Hardness: 249 mg/l · pH: 7.5
Lea Bridge
Greater London · Hardness: 280 mg/l · pH: 7.8
Lee
Greater London · Hardness: 279 mg/l · pH: 7.7
Lesnes Abbey
Greater London · Hardness: 342 mg/l · pH: 7.2
Lessness Heath
Greater London · Hardness: 359 mg/l · pH: 7.1
Leyton Marshes
Greater London · Hardness: 280 mg/l · pH: 7.8
Leytonstone
Greater London · Hardness: 280 mg/l · pH: 7.8
Limehouse
Greater London · Hardness: 270 mg/l · pH: 7.8
Lisson Grove
Greater London · Hardness: 259 mg/l · pH: 7.8
Little Heath
West Berkshire · Hardness: 309 mg/l · pH: 7.3
Little Heath
Greater London · Hardness: 265 mg/l · pH: 7.8
Little Ilford
Greater London · Hardness: 265 mg/l · pH: 7.8
Little Minster
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Littlemore
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
Locksbottom
Greater London · Hardness: 295 mg/l · pH: 7.3
Longford
Kent · Hardness: 295 mg/l · pH: 7.3
Longlands
Greater London · Hardness: 331 mg/l · pH: 7.2
Lower Belvedere
Greater London · Hardness: 342 mg/l · pH: 7.2
Lower Clapton
Greater London · Hardness: 280 mg/l · pH: 7.8
Lower Edmonton
Greater London · Hardness: 266 mg/l · pH: 7.6
Lower Green
Surrey · Hardness: 251 mg/l · pH: 7.6
Lower Holloway
Greater London · Hardness: 260 mg/l · pH: 7.8
Lower Morden
Greater London · Hardness: 262 mg/l · pH: 7.7
Lower Place
Greater London · Hardness: 264 mg/l · pH: 7.8
Lower Stratton
Swindon · Hardness: 263 mg/l · pH: 7.5
Lower Sydenham
Greater London · Hardness: 290 mg/l · pH: 7.4
Lower Village
Swindon · Hardness: 275 mg/l · pH: 7.6
Lower Wanborough
Swindon · Hardness: 263 mg/l · pH: 7.5
Lower Wolvercote
Oxfordshire · Hardness: 255 mg/l · pH: 7.5
Loxford
Greater London · Hardness: 265 mg/l · pH: 7.8
Maida Vale
Greater London · Hardness: 257 mg/l · pH: 7.8
Maitland Park
Greater London · Hardness: 263 mg/l · pH: 7.8
Manor Park
Greater London · Hardness: 265 mg/l · pH: 7.8
Marks Gate
Greater London · Hardness: 275 mg/l · pH: 7.8
Marston
Oxfordshire · Hardness: 255 mg/l · pH: 7.5
Marylebone
Greater London · Hardness: 257 mg/l · pH: 7.8
Mayfair
Greater London · Hardness: 260 mg/l · pH: 7.8
Mayford
Surrey · Hardness: 287 mg/l · pH: 7.3
Maypole
Kent · Hardness: 284 mg/l · pH: 7.4
Merrow
Surrey · Hardness: 206 mg/l · pH: 7.3
Merton Park
Greater London · Hardness: 260 mg/l · pH: 7.8
Middleleaze
Wiltshire · Hardness: 275 mg/l · pH: 7.6
Mile End
Greater London · Hardness: 282 mg/l · pH: 7.8
Mill Hill
Greater London · Hardness: 265 mg/l · pH: 7.7
Mill Meads
Greater London · Hardness: 277 mg/l · pH: 7.8
Millwall
Greater London · Hardness: 259 mg/l · pH: 7.8
Monks Orchard
Greater London · Hardness: 290 mg/l · pH: 7.4
Morden Park
Greater London · Hardness: 262 mg/l · pH: 7.7
Moredon
Swindon · Hardness: 275 mg/l · pH: 7.6
Mortlake
Greater London · Hardness: 251 mg/l · pH: 7.8
Motspur Park
Greater London · Hardness: 262 mg/l · pH: 7.8
Mottingham
Greater London · Hardness: 274 mg/l · pH: 7.6
Mount Pleasant
Buckinghamshire · Hardness: 249 mg/l · pH: 7.5
Muswell Hill
Greater London · Hardness: 258 mg/l · pH: 7.8
Neasden
Greater London · Hardness: 259 mg/l · pH: 7.8
Neithrop
Oxfordshire · Hardness: 248 mg/l · pH: 7.4
New Addington
Greater London · Hardness: 290 mg/l · pH: 7.4
New Beckenham
Greater London · Hardness: 290 mg/l · pH: 7.4
New Botley
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
New Charlton
Greater London · Hardness: 341 mg/l · pH: 7.4
New Cross
Greater London · Hardness: 253 mg/l · pH: 7.8
New Eltham
Greater London · Hardness: 274 mg/l · pH: 7.6
New Headington
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
New Hinksey
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
New Marston
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
New Osney
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
New Southgate
Greater London · Hardness: 265 mg/l · pH: 7.8
Newbury Park
Greater London · Hardness: 265 mg/l · pH: 7.8
Newington
Greater London · Hardness: 257 mg/l · pH: 7.8
Newland
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Newnham Murren
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Nine Elms
Greater London · Hardness: 255 mg/l · pH: 7.8
Noah's Ark
Kent · Hardness: 327 mg/l · pH: 7.2
Noel Park
Greater London · Hardness: 258 mg/l · pH: 7.8
Norbiton
Greater London · Hardness: 262 mg/l · pH: 7.8
Norbury
Greater London · Hardness: 257 mg/l · pH: 7.8
Norham Manor
Oxfordshire · Hardness: 255 mg/l · pH: 7.5
North Acton
Greater London · Hardness: 264 mg/l · pH: 7.8
North End
Greater London · Hardness: 256 mg/l · pH: 7.8
North End
Greater London · Hardness: 359 mg/l · pH: 7.1
North Greenwich
Greater London · Hardness: 282 mg/l · pH: 7.8
North Hinksey Village
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
North Kensington
Greater London · Hardness: 257 mg/l · pH: 7.8
North Sheen
Greater London · Hardness: 251 mg/l · pH: 7.8
North Southwark
Greater London · Hardness: 274 mg/l · pH: 7.8
North Woolwich
Greater London · Hardness: 341 mg/l · pH: 7.4
Northumberland Heath
Greater London · Hardness: 359 mg/l · pH: 7.1
Norwood New Town
Greater London · Hardness: 255 mg/l · pH: 7.7
Notting Hill
Greater London · Hardness: 257 mg/l · pH: 7.8
Nunhead
Greater London · Hardness: 253 mg/l · pH: 7.8
Nythe
Swindon · Hardness: 263 mg/l · pH: 7.5
Oakwood
Greater London · Hardness: 265 mg/l · pH: 7.8
Ockford Ridge
Surrey · Hardness: 136 mg/l · pH: 7.3
Old Bexley
Greater London · Hardness: 284 mg/l · pH: 7.4
Old Ford
Greater London · Hardness: 282 mg/l · pH: 7.8
Old Malden
Greater London · Hardness: 262 mg/l · pH: 7.8
Old Oak Common
Greater London · Hardness: 259 mg/l · pH: 7.8
Old Woodstock
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Osidge
Greater London · Hardness: 265 mg/l · pH: 7.8
Osney
Oxfordshire · Hardness: 246 mg/l · pH: 7.4
Osterley
Greater London · Hardness: 263 mg/l · pH: 7.7
Palmers Green
Greater London · Hardness: 258 mg/l · pH: 7.8
Park Langley
Greater London · Hardness: 290 mg/l · pH: 7.4
Park North
Swindon · Hardness: 263 mg/l · pH: 7.5
Park Town
Oxfordshire · Hardness: 255 mg/l · pH: 7.5
Parliament Hill
Greater London · Hardness: 256 mg/l · pH: 7.8
Parsons Green
Greater London · Hardness: 257 mg/l · pH: 7.8
Peckham
Greater London · Hardness: 253 mg/l · pH: 7.8
Penhill
Swindon · Hardness: 275 mg/l · pH: 7.6
Pentonville
Greater London · Hardness: 260 mg/l · pH: 7.8
Petersham
Greater London · Hardness: 251 mg/l · pH: 7.8
Petts Wood
Greater London · Hardness: 295 mg/l · pH: 7.3
Pimlico
Greater London · Hardness: 257 mg/l · pH: 7.8
Pinehurst
Swindon · Hardness: 275 mg/l · pH: 7.6
Plaistow
Greater London · Hardness: 280 mg/l · pH: 7.5
Plaistow
Greater London · Hardness: 277 mg/l · pH: 7.8
Plashet
Greater London · Hardness: 277 mg/l · pH: 7.8
Plumstead
Greater London · Hardness: 341 mg/l · pH: 7.4
Plumstead Common
Greater London · Hardness: 341 mg/l · pH: 7.4
Ponders End
Greater London · Hardness: 266 mg/l · pH: 7.6
Poverest
Greater London · Hardness: 295 mg/l · pH: 7.3
Pray Heath
Surrey · Hardness: 287 mg/l · pH: 7.3
Primrose Hill
Greater London · Hardness: 263 mg/l · pH: 7.8
Purley on Thames
West Berkshire · Hardness: 309 mg/l · pH: 7.3
Putney Heath
Greater London · Hardness: 257 mg/l · pH: 7.8
Putney Vale
Greater London · Hardness: 257 mg/l · pH: 7.8
Ramleaze
Swindon · Hardness: 275 mg/l · pH: 7.6
Ramsden
Greater London · Hardness: 295 mg/l · pH: 7.3
Ratcliff
Greater London · Hardness: 270 mg/l · pH: 7.8
Raynes Park
Greater London · Hardness: 260 mg/l · pH: 7.8
Redbridge
Greater London · Hardness: 265 mg/l · pH: 7.8
Regent's Park
Greater London · Hardness: 257 mg/l · pH: 7.8
Repton Park
Greater London · Hardness: 275 mg/l · pH: 7.8
Risinghurst
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
Riverhead
Kent · Hardness: 295 mg/l · pH: 7.3
Rivermead
Swindon · Hardness: 275 mg/l · pH: 7.6
Rodbourne
Swindon · Hardness: 275 mg/l · pH: 7.6
Roehampton
Greater London · Hardness: 257 mg/l · pH: 7.8
Rose Hill
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
Rosedale
Hertfordshire · Hardness: 281 mg/l · pH: 7.7
Rosehill
Greater London · Hardness: 262 mg/l · pH: 7.7
Rotherhithe
Greater London · Hardness: 259 mg/l · pH: 7.8
Roughmoor
Swindon · Hardness: 275 mg/l · pH: 7.6
Roundshaw
Greater London · Hardness: 303 mg/l · pH: 7.3
Royal Arsenal West
Greater London · Hardness: 341 mg/l · pH: 7.4
Ruscote
Oxfordshire · Hardness: 248 mg/l · pH: 7.4
Rush Green
Greater London · Hardness: 342 mg/l · pH: 7.2
Russell Hill
Greater London · Hardness: 303 mg/l · pH: 7.3
Rye Park
Hertfordshire · Hardness: 278 mg/l · pH: 7.7
Sanderstead
Greater London · Hardness: 303 mg/l · pH: 7.3
Sandhills
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
Sands End
Greater London · Hardness: 255 mg/l · pH: 7.8
Seething Wells
Greater London · Hardness: 262 mg/l · pH: 7.8
Selhurst
Greater London · Hardness: 303 mg/l · pH: 7.3
Selsdon
Greater London · Hardness: 303 mg/l · pH: 7.3
Seven Kings
Greater London · Hardness: 265 mg/l · pH: 7.8
Shacklewell
Greater London · Hardness: 280 mg/l · pH: 7.8
Shadwell
Greater London · Hardness: 259 mg/l · pH: 7.8
Shepherd's Bush
Greater London · Hardness: 267 mg/l · pH: 7.8
Shirley
Greater London · Hardness: 303 mg/l · pH: 7.3
Shooters Hill
Greater London · Hardness: 274 mg/l · pH: 7.6
Shoreditch
Greater London · Hardness: 260 mg/l · pH: 7.8
Shortlands
Greater London · Hardness: 280 mg/l · pH: 7.5
Shotover Hill
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
Silvertown
Greater London · Hardness: 341 mg/l · pH: 7.4
Slade End
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Slade Green
Greater London · Hardness: 359 mg/l · pH: 7.1
Slyfield
Surrey · Hardness: 287 mg/l · pH: 7.3
Snaresbrook
Greater London · Hardness: 265 mg/l · pH: 7.8
Soho
Greater London · Hardness: 257 mg/l · pH: 7.8
Somers Town
Greater London · Hardness: 257 mg/l · pH: 7.8
South Acton
Greater London · Hardness: 263 mg/l · pH: 7.8
South Croydon
Greater London · Hardness: 303 mg/l · pH: 7.3
South Hackney
Greater London · Hardness: 280 mg/l · pH: 7.8
South Hampstead
Greater London · Hardness: 259 mg/l · pH: 7.8
South Hornchurch
Greater London · Hardness: 342 mg/l · pH: 7.2
South Kensington
Greater London · Hardness: 256 mg/l · pH: 7.8
South Lambeth
Greater London · Hardness: 257 mg/l · pH: 7.8
South Norwood
Greater London · Hardness: 303 mg/l · pH: 7.3
South Ruislip
Greater London · Hardness: 288 mg/l · pH: 7.4
South Tottenham
Greater London · Hardness: 268 mg/l · pH: 7.8
South Wimbledon
Greater London · Hardness: 260 mg/l · pH: 7.8
South Woodford
Greater London · Hardness: 278 mg/l · pH: 7.8
Southborough
Greater London · Hardness: 262 mg/l · pH: 7.8
Southborough
Greater London · Hardness: 280 mg/l · pH: 7.5
Southbury
Greater London · Hardness: 269 mg/l · pH: 7.7
Southcote
Reading · Hardness: 315 mg/l · pH: 7.2
Southend
Greater London · Hardness: 290 mg/l · pH: 7.4
Southfields
Greater London · Hardness: 257 mg/l · pH: 7.8
Southmoor
Oxfordshire · Hardness: 296 mg/l · pH: 7.3
Spitalbrook
Hertfordshire · Hardness: 278 mg/l · pH: 7.7
Spitalfields
Greater London · Hardness: 270 mg/l · pH: 7.8
Spring Grove
Greater London · Hardness: 263 mg/l · pH: 7.7
Spring Park
Greater London · Hardness: 290 mg/l · pH: 7.4
St Andrews Ridge
Swindon · Hardness: 275 mg/l · pH: 7.6
St George in the East
Greater London · Hardness: 259 mg/l · pH: 7.8
St Giles
Greater London · Hardness: 257 mg/l · pH: 7.8
St Helier
Greater London · Hardness: 262 mg/l · pH: 7.7
St James's
Greater London · Hardness: 260 mg/l · pH: 7.8
St John's
Greater London · Hardness: 279 mg/l · pH: 7.7
St John's
Kent · Hardness: 327 mg/l · pH: 7.2
St John's Wood
Greater London · Hardness: 259 mg/l · pH: 7.8
St Luke's
Greater London · Hardness: 260 mg/l · pH: 7.8
St Margarets
Greater London · Hardness: 251 mg/l · pH: 7.8
St Mary Cray
Greater London · Hardness: 295 mg/l · pH: 7.3
St Pancras
Greater London · Hardness: 260 mg/l · pH: 7.8
St Paul's Cray
Greater London · Hardness: 295 mg/l · pH: 7.3
Stamford Hill
Greater London · Hardness: 268 mg/l · pH: 7.8
Staples Corner
Greater London · Hardness: 265 mg/l · pH: 7.7
Stockwell
Greater London · Hardness: 261 mg/l · pH: 7.8
Strand
Greater London · Hardness: 257 mg/l · pH: 7.8
Strand on the Green
Greater London · Hardness: 262 mg/l · pH: 7.8
Stratford Marsh
Greater London · Hardness: 277 mg/l · pH: 7.8
Stratford New Town
Greater London · Hardness: 277 mg/l · pH: 7.8
Streatham Hill
Greater London · Hardness: 274 mg/l · pH: 7.7
Streatham Park
Greater London · Hardness: 274 mg/l · pH: 7.7
Streatham Vale
Greater London · Hardness: 257 mg/l · pH: 7.8
Stroud Green
Greater London · Hardness: 263 mg/l · pH: 7.8
Summerstown
Greater London · Hardness: 262 mg/l · pH: 7.8
Summertown
Oxfordshire · Hardness: 255 mg/l · pH: 7.5
Sunbury Common
Surrey · Hardness: 253 mg/l · pH: 7.8
Sundridge
Greater London · Hardness: 280 mg/l · pH: 7.5
Sunnymead
Oxfordshire · Hardness: 255 mg/l · pH: 7.5
Tadley
Oxfordshire · Hardness: 288 mg/l · pH: 7.3
Temple Cowley
Oxfordshire · Hardness: 276 mg/l · pH: 7.4
Temple Mills
Greater London · Hardness: 272 mg/l · pH: 7.8
Thamesmead
Greater London · Hardness: 342 mg/l · pH: 7.2
The Borough
Greater London · Hardness: 260 mg/l · pH: 7.8
The Ridge
Surrey · Hardness: 303 mg/l · pH: 7.3
The Wrythe
Greater London · Hardness: 262 mg/l · pH: 7.7
Thornton Heath
Greater London · Hardness: 303 mg/l · pH: 7.3
Tilehurst
Reading · Hardness: 309 mg/l · pH: 7.3
Tolworth
Greater London · Hardness: 262 mg/l · pH: 7.8
Tooting Bec Common
Greater London · Hardness: 262 mg/l · pH: 7.8
Tooting Graveney
Greater London · Hardness: 262 mg/l · pH: 7.8
Tottenham Hale
Greater London · Hardness: 268 mg/l · pH: 7.8
Townsend
Oxfordshire · Hardness: 296 mg/l · pH: 7.3
Tufnell Park
Greater London · Hardness: 263 mg/l · pH: 7.8
Tulse Hill
Greater London · Hardness: 255 mg/l · pH: 7.7
Turnford
Hertfordshire · Hardness: 266 mg/l · pH: 7.7
Upper Belvedere
Greater London · Hardness: 359 mg/l · pH: 7.1
Upper Clapton
Greater London · Hardness: 280 mg/l · pH: 7.8
Upper Edmonton
Greater London · Hardness: 265 mg/l · pH: 7.8
Upper Elmers End
Greater London · Hardness: 290 mg/l · pH: 7.4
Upper Holloway
Greater London · Hardness: 263 mg/l · pH: 7.8
Upper Norwood
Greater London · Hardness: 257 mg/l · pH: 7.8
Upper Shirley
Greater London · Hardness: 303 mg/l · pH: 7.3
Upper Stratton
Swindon · Hardness: 275 mg/l · pH: 7.6
Upper Sydenham
Greater London · Hardness: 255 mg/l · pH: 7.7
Upper Tooting
Greater London · Hardness: 262 mg/l · pH: 7.8
Upper Walthamstow
Greater London · Hardness: 278 mg/l · pH: 7.8
Upper Wanborough
Swindon · Hardness: 263 mg/l · pH: 7.5
Upper Wolvercote
Oxfordshire · Hardness: 255 mg/l · pH: 7.5
Upton
Greater London · Hardness: 277 mg/l · pH: 7.8
Upton Park
Greater London · Hardness: 277 mg/l · pH: 7.8
Vale of Health
Greater London · Hardness: 256 mg/l · pH: 7.8
Vauxhall
Greater London · Hardness: 257 mg/l · pH: 7.8
Victoria
Greater London · Hardness: 257 mg/l · pH: 7.8
Waddon
Greater London · Hardness: 303 mg/l · pH: 7.3
Walcot East
Swindon · Hardness: 275 mg/l · pH: 7.6
Walham Green
Greater London · Hardness: 255 mg/l · pH: 7.8
Wallend
Greater London · Hardness: 277 mg/l · pH: 7.8
Walthamstow Forest
Greater London · Hardness: 275 mg/l · pH: 7.8
Walton Manor
Oxfordshire · Hardness: 255 mg/l · pH: 7.5
Walworth
Greater London · Hardness: 251 mg/l · pH: 7.8
Wandsworth Common
Greater London · Hardness: 257 mg/l · pH: 7.8
Wanstead Flats
Greater London · Hardness: 280 mg/l · pH: 7.8
Wapping
Greater London · Hardness: 259 mg/l · pH: 7.8
Welling
Greater London · Hardness: 359 mg/l · pH: 7.1
Welsh Harp
Greater London · Hardness: 265 mg/l · pH: 7.7
West Acton
Greater London · Hardness: 264 mg/l · pH: 7.8
West Barnes
Greater London · Hardness: 260 mg/l · pH: 7.8
West Brompton
Greater London · Hardness: 256 mg/l · pH: 7.8
West Dulwich
Greater London · Hardness: 255 mg/l · pH: 7.7
West Ealing
Greater London · Hardness: 275 mg/l · pH: 7.8
West End
Surrey · Hardness: 251 mg/l · pH: 7.6
West Green
Greater London · Hardness: 268 mg/l · pH: 7.8
West Hampstead
Greater London · Hardness: 260 mg/l · pH: 7.8
West Heath
Greater London · Hardness: 359 mg/l · pH: 7.1
West Hendon
Greater London · Hardness: 265 mg/l · pH: 7.7
West Kensington
Greater London · Hardness: 267 mg/l · pH: 7.8
West Kilburn
Greater London · Hardness: 257 mg/l · pH: 7.8
West Norwood
Greater London · Hardness: 255 mg/l · pH: 7.7
West Thamesmead
Greater London · Hardness: 341 mg/l · pH: 7.4
West Wickham
Greater London · Hardness: 290 mg/l · pH: 7.4
Westbourne Green
Greater London · Hardness: 257 mg/l · pH: 7.8
Westbrook
Surrey · Hardness: 136 mg/l · pH: 7.3
Westfield
Surrey · Hardness: 287 mg/l · pH: 7.3
Westhall Hill
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Westhorp
West Northamptonshire · Hardness: 248 mg/l · pH: 7.4
Westmead
Swindon · Hardness: 275 mg/l · pH: 7.6
Whitechapel
Greater London · Hardness: 270 mg/l · pH: 7.8
Whitehall
Greater London · Hardness: 260 mg/l · pH: 7.8
Whitton
Greater London · Hardness: 263 mg/l · pH: 7.7
Widmore
Greater London · Hardness: 280 mg/l · pH: 7.5
Wild Duck Mead
Swindon · Hardness: 275 mg/l · pH: 7.6
Wildernesse
Kent · Hardness: 327 mg/l · pH: 7.2
Willesden Green
Greater London · Hardness: 259 mg/l · pH: 7.8
Wimbledon Common
Greater London · Hardness: 260 mg/l · pH: 7.8
Wimbledon Park
Greater London · Hardness: 257 mg/l · pH: 7.8
Winchmore Hill
Greater London · Hardness: 265 mg/l · pH: 7.8
Winterbrook
Oxfordshire · Hardness: 268 mg/l · pH: 7.7
Woodfield
Oxfordshire · Hardness: 249 mg/l · pH: 7.5
Woodford Bridge
Greater London · Hardness: 278 mg/l · pH: 7.8
Woodford Green
Greater London · Hardness: 278 mg/l · pH: 7.8
Woodford Wells
Greater London · Hardness: 278 mg/l · pH: 7.8
Woodgreen
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Woodlands
Greater London · Hardness: 263 mg/l · pH: 7.7
Woodside
Greater London · Hardness: 303 mg/l · pH: 7.3
World's End
Greater London · Hardness: 268 mg/l · pH: 7.8
Wormley
Hertfordshire · Hardness: 278 mg/l · pH: 7.7
Wormwood Scrubs
Greater London · Hardness: 267 mg/l · pH: 7.8
Acton
Greater London · Hardness: 263 mg/l · pH: 7.8
Alderwood Terrace
Greater London · Hardness: 275 mg/l · pH: 7.8
Appleby Yard
Greater London · Hardness: 282 mg/l · pH: 7.8
Barking
Greater London · Hardness: 342 mg/l · pH: 7.2
Barking Wharf Square
Greater London · Hardness: 342 mg/l · pH: 7.2
Barnes
Greater London · Hardness: 267 mg/l · pH: 7.8
Barton Yard
Greater London · Hardness: 282 mg/l · pH: 7.8
Battersea
Greater London · Hardness: 255 mg/l · pH: 7.8
Bermondsey
Greater London · Hardness: 259 mg/l · pH: 7.8
Bethnal Green
Greater London · Hardness: 270 mg/l · pH: 7.8
Bexley
Greater London · Hardness: 284 mg/l · pH: 7.4
Bow
Greater London · Hardness: 282 mg/l · pH: 7.8
Brentford
Greater London · Hardness: 262 mg/l · pH: 7.8
Bromley
Greater London · Hardness: 280 mg/l · pH: 7.5
Buckhurst Hill
Essex · Hardness: 275 mg/l · pH: 7.8
Camberwell
Greater London · Hardness: 251 mg/l · pH: 7.8
Camden Town
Greater London · Hardness: 263 mg/l · pH: 7.8
Catford
Greater London · Hardness: 279 mg/l · pH: 7.7
Cavendish Square
Greater London · Hardness: 341 mg/l · pH: 7.4
Central Parade
Greater London · Hardness: 278 mg/l · pH: 7.8
Chase Village
Greater London · Hardness: 268 mg/l · pH: 7.8
Chelsea
Greater London · Hardness: 256 mg/l · pH: 7.8
Chingford
Greater London · Hardness: 275 mg/l · pH: 7.8
Chislehurst
Greater London · Hardness: 331 mg/l · pH: 7.2
Chiswick
Greater London · Hardness: 267 mg/l · pH: 7.8
Clapham
Greater London · Hardness: 260 mg/l · pH: 7.8
Coalmakers Wharf
Greater London · Hardness: 282 mg/l · pH: 7.8
Cobham
Surrey · Hardness: 251 mg/l · pH: 7.6
Coldharbour
Greater London · Hardness: 359 mg/l · pH: 7.1
Crayford
Greater London · Hardness: 284 mg/l · pH: 7.4
Cripps Yard
Greater London · Hardness: 282 mg/l · pH: 7.8
Dagenham
Greater London · Hardness: 342 mg/l · pH: 7.2
Deptford
Greater London · Hardness: 279 mg/l · pH: 7.7
Dormer Yard
Greater London · Hardness: 282 mg/l · pH: 7.8
Ealing
Greater London · Hardness: 263 mg/l · pH: 7.8
East Ham
Greater London · Hardness: 277 mg/l · pH: 7.8
Edmonton
Greater London · Hardness: 265 mg/l · pH: 7.8
Eltham
Greater London · Hardness: 274 mg/l · pH: 7.6
Enfield
Greater London · Hardness: 268 mg/l · pH: 7.7
Erith
Greater London · Hardness: 359 mg/l · pH: 7.1
Festubert Place
Greater London · Hardness: 282 mg/l · pH: 7.8
Frank Whipple Estate
Greater London · Hardness: 270 mg/l · pH: 7.8
Fulham
Greater London · Hardness: 257 mg/l · pH: 7.8
Goose Green
Hertfordshire · Hardness: 278 mg/l · pH: 7.7
Greenwich
Greater London · Hardness: 279 mg/l · pH: 7.7
Hackney
Greater London · Hardness: 280 mg/l · pH: 7.8
Hallsville Quarter
Greater London · Hardness: 282 mg/l · pH: 7.8
Hammersmith
Greater London · Hardness: 267 mg/l · pH: 7.8
Hampstead
Greater London · Hardness: 256 mg/l · pH: 7.8
Hampton
Greater London · Hardness: 259 mg/l · pH: 7.8
Hendon
Greater London · Hardness: 265 mg/l · pH: 7.7
Hitchin Square
Greater London · Hardness: 282 mg/l · pH: 7.8
Hornsey
Greater London · Hardness: 263 mg/l · pH: 7.8
Hounslow
Greater London · Hardness: 263 mg/l · pH: 7.7
Isle of Wight
Surrey · Hardness: 251 mg/l · pH: 7.6
Isleworth
Greater London · Hardness: 263 mg/l · pH: 7.7
Islington
Greater London · Hardness: 260 mg/l · pH: 7.8
Kensington
Greater London · Hardness: 257 mg/l · pH: 7.8
Lewisham
Greater London · Hardness: 279 mg/l · pH: 7.7
Leyton
Greater London · Hardness: 272 mg/l · pH: 7.8
Milton Hill
Oxfordshire · Hardness: 288 mg/l · pH: 7.3
Mitcham
Greater London · Hardness: 262 mg/l · pH: 7.7
Morden
Greater London · Hardness: 262 mg/l · pH: 7.7
Northolt
Greater London · Hardness: 288 mg/l · pH: 7.4
Oxshott
Surrey · Hardness: 251 mg/l · pH: 7.6
Paddington
Greater London · Hardness: 257 mg/l · pH: 7.8
Poplar
Greater London · Hardness: 282 mg/l · pH: 7.8
Poynders Parade
Greater London · Hardness: 260 mg/l · pH: 7.8
Putney
Greater London · Hardness: 257 mg/l · pH: 7.8
Rainham
Greater London · Hardness: 342 mg/l · pH: 7.2
Richmond upon Thames
Greater London · Hardness: 251 mg/l · pH: 7.8
Risley Close
Greater London · Hardness: 262 mg/l · pH: 7.7
Shifford
Oxfordshire · Hardness: 251 mg/l · pH: 7.4
Sidcup
Greater London · Hardness: 331 mg/l · pH: 7.2
Southgate
Greater London · Hardness: 265 mg/l · pH: 7.8
Southwark
Greater London · Hardness: 274 mg/l · pH: 7.8
Stepney
Greater London · Hardness: 270 mg/l · pH: 7.8
Stoke Newington
Greater London · Hardness: 259 mg/l · pH: 7.8
Stratford
Greater London · Hardness: 277 mg/l · pH: 7.8
Streatham
Greater London · Hardness: 274 mg/l · pH: 7.7
Tavern Quay
Greater London · Hardness: 259 mg/l · pH: 7.8
Teddington
Greater London · Hardness: 259 mg/l · pH: 7.8
The Mews
Greater London · Hardness: 257 mg/l · pH: 7.8
Tottenham
Greater London · Hardness: 268 mg/l · pH: 7.8
Trinity Buoy Wharf
Greater London · Hardness: 282 mg/l · pH: 7.8
Twickenham
Greater London · Hardness: 251 mg/l · pH: 7.8
Union Mews
Greater London · Hardness: 261 mg/l · pH: 7.8
Unity Place
Greater London · Hardness: 278 mg/l · pH: 7.8
Walthamstow
Greater London · Hardness: 278 mg/l · pH: 7.8
Wandsworth
Greater London · Hardness: 257 mg/l · pH: 7.8
West Ham
Greater London · Hardness: 277 mg/l · pH: 7.8
Willesden
Greater London · Hardness: 259 mg/l · pH: 7.8
Wood Green
Greater London · Hardness: 258 mg/l · pH: 7.8
Woodford
Greater London · Hardness: 278 mg/l · pH: 7.8
Woolwich
Greater London · Hardness: 341 mg/l · pH: 7.4
Abbey Wood
Greater London · Hardness: 262 mg/l · pH: 7.7
Andoversford
Wiltshire · Hardness: 277 mg/l · pH: 7.5
Ashton Keynes
Wiltshire · Hardness: 314 mg/l · pH: 7.3
Aylesbury East
Wiltshire · Hardness: 296 mg/l · pH: 7.3
Aylesbury North
Wiltshire · Hardness: 289 mg/l · pH: 7.3
Aylesbury South
Wiltshire · Hardness: 297 mg/l · pH: 7.3
Aylesbury Southwest
Wiltshire · Hardness: 293 mg/l · pH: 7.3
Balham
Greater London · Hardness: 260 mg/l · pH: 7.8
Barnes
Greater London · Hardness: 257 mg/l · pH: 7.8
Bedwyn
Wiltshire · Hardness: 321 mg/l · pH: 7.2
Beenham
Berkshire · Hardness: 238 mg/l · pH: 7.5
Bellingham & Mottingham
Greater London · Hardness: 277 mg/l · pH: 7.6
Berrylands & Long Ditton
Greater London · Hardness: 255 mg/l · pH: 7.7
Blackheath
Greater London · Hardness: 282 mg/l · pH: 7.6
Boars Hill
Oxfordshire · Hardness: 249 mg/l · pH: 7.5
Bourton
Wiltshire · Hardness: 272 mg/l · pH: 7.6
Bradfield
Berkshire · Hardness: 310 mg/l · pH: 7.3
Brent South
Greater London · Hardness: 263 mg/l · pH: 7.8
Brimpsfield Import
Wiltshire · Hardness: 307 mg/l · pH: 7.4
Brimpsfield North Import
Wiltshire · Hardness: 163 mg/l · pH: 7.6
Brondesbury
Greater London · Hardness: 264 mg/l · pH: 7.8
Charlton
Greater London · Hardness: 280 mg/l · pH: 7.6
Clatford
Wiltshire · Hardness: 282 mg/l · pH: 7.3
Compton
Berkshire · Hardness: 285 mg/l · pH: 7.3
Cowley Littlemore & Nuneham
Oxfordshire · Hardness: 276 mg/l · pH: 7.3
Cray
Greater London · Hardness: 331 mg/l · pH: 7.2
Crouch End & Gospel Oak
Greater London · Hardness: 265 mg/l · pH: 7.8
Croydon North
Greater London · Hardness: 254 mg/l · pH: 7.7
Croydon West Lower
Greater London · Hardness: 288 mg/l · pH: 7.4
Croydon West Upper
Greater London · Hardness: 255 mg/l · pH: 7.7
Croydon Woodside
Greater London · Hardness: 255 mg/l · pH: 7.8
Crystal Palace & Norwood Park
Greater London · Hardness: 293 mg/l · pH: 7.6
Culham
Oxfordshire · Hardness: 295 mg/l · pH: 7.4
Dagnall
Wiltshire · Hardness: 299 mg/l · pH: 7.2
Dartford North
Kent · Hardness: 315 mg/l · pH: 7.2
Deddington
Oxfordshire · Hardness: 252 mg/l · pH: 7.4
Emmer Green
Berkshire · Hardness: 353 mg/l · pH: 7.2
Epsom South
Greater London · Hardness: 316 mg/l · pH: 7.2
Evenlode
Wiltshire · Hardness: 288 mg/l · pH: 7.4
Eynsford
Greater London · Hardness: 280 mg/l · pH: 7.3
Fairford & Bibury
Wiltshire · Hardness: 275 mg/l · pH: 7.4
Farnham Common
Wiltshire · Hardness: 296 mg/l · pH: 7.4
Finmere Godington & Long Marston
Oxfordshire · Hardness: 243 mg/l · pH: 7.4
Flackwell Heath
Wiltshire · Hardness: 300 mg/l · pH: 7.3
Fulham
Greater London · Hardness: 254 mg/l · pH: 7.8
Globe Town
Greater London · Hardness: 280 mg/l · pH: 7.8
Gunnersbury
Greater London · Hardness: 268 mg/l · pH: 7.8
Hackney South
Greater London · Hardness: 263 mg/l · pH: 7.8
Hampstead West
Greater London · Hardness: 268 mg/l · pH: 7.8
Hanger Lane & Stonebridge
Greater London · Hardness: 262 mg/l · pH: 7.7
Heston
Greater London · Hardness: 271 mg/l · pH: 7.7
Holborn
Greater London · Hardness: 265 mg/l · pH: 7.9
Hook Norton
Oxfordshire · Hardness: 255 mg/l · pH: 7.6
Hurlingham
Greater London · Hardness: 252 mg/l · pH: 7.8
Ilsley
Berkshire · Hardness: 317 mg/l · pH: 7.2
Kensington
Greater London · Hardness: 266 mg/l · pH: 7.8
Keston & Forestdale
Greater London · Hardness: 293 mg/l · pH: 7.4
Kidbrooke
Greater London · Hardness: 308 mg/l · pH: 7.6
Knightsbridge
Greater London · Hardness: 259 mg/l · pH: 7.8
Lambeth North
Greater London · Hardness: 257 mg/l · pH: 7.8
Lewisham North
Greater London · Hardness: 286 mg/l · pH: 7.5
Little Hampden
Wiltshire · Hardness: 295 mg/l · pH: 7.2
Manor Park
Greater London · Hardness: 282 mg/l · pH: 7.8
Marcham
Oxfordshire · Hardness: 254 mg/l · pH: 7.4
Marlow
Wiltshire · Hardness: 312 mg/l · pH: 7.2
Merton
Greater London · Hardness: 260 mg/l · pH: 7.8
Muswell Hill & Hampstead Heath
Greater London · Hardness: 267 mg/l · pH: 7.8
New Cross
Greater London · Hardness: 256 mg/l · pH: 7.8
New Malden
Greater London · Hardness: 258 mg/l · pH: 7.8
Northcourt
Oxfordshire · Hardness: 293 mg/l · pH: 7.3
Northleach
Wiltshire · Hardness: 295 mg/l · pH: 7.3
Norwood & Forest Hill
Greater London · Hardness: 253 mg/l · pH: 7.7
Petts Wood
Greater London · Hardness: 302 mg/l · pH: 7.3
Plashet Park
Greater London · Hardness: 272 mg/l · pH: 7.7
Putney Central
Greater London · Hardness: 257 mg/l · pH: 7.8
Radnage
Wiltshire · Hardness: 300 mg/l · pH: 7.3
Ramsbury
Wiltshire · Hardness: 291 mg/l · pH: 7.3
Reading Central
Berkshire · Hardness: 313 mg/l · pH: 7.3
Reading Whiteknights
Berkshire · Hardness: 270 mg/l · pH: 7.7
Rotherhithe
Greater London · Hardness: 260 mg/l · pH: 7.8
Royal Docks East
Greater London · Hardness: 279 mg/l · pH: 7.7
Royal Docks West
Greater London · Hardness: 272 mg/l · pH: 7.8
Sezincote
Wiltshire · Hardness: 269 mg/l · pH: 7.6
Shacklewell & Canonbury
Greater London · Hardness: 267 mg/l · pH: 7.8
Shepherds Bush
Greater London · Hardness: 255 mg/l · pH: 7.8
Shooters Hill
Greater London · Hardness: 258 mg/l · pH: 7.7
Shrivenham & Ashbury
Wiltshire · Hardness: 298 mg/l · pH: 7.4
Slough East
Wiltshire · Hardness: 301 mg/l · pH: 7.2
Slough North
Wiltshire · Hardness: 300 mg/l · pH: 7.3
Slough South
Wiltshire · Hardness: 299 mg/l · pH: 7.2
South Darenth
Greater London · Hardness: 344 mg/l · pH: 7.2
Spencers Wood
Berkshire · Hardness: 273 mg/l · pH: 7.7
Stamford Hill
Greater London · Hardness: 272 mg/l · pH: 7.8
Stratford West
Greater London · Hardness: 281 mg/l · pH: 7.8
Streatham East
Greater London · Hardness: 250 mg/l · pH: 7.7
Streatham South & Dulwich West
Greater London · Hardness: 264 mg/l · pH: 7.7
Streatley & Basildon
Berkshire · Hardness: 287 mg/l · pH: 7.3
Sunbury West
Greater London · Hardness: 252 mg/l · pH: 7.8
Swindon Rodbourne
Wiltshire · Hardness: 271 mg/l · pH: 7.5
Swindon Southwest
Wiltshire · Hardness: 287 mg/l · pH: 7.5
Swindon Stratton
Wiltshire · Hardness: 267 mg/l · pH: 7.5
Swindon Toothill
Wiltshire · Hardness: 267 mg/l · pH: 7.5
Sydenham Central
Greater London · Hardness: 263 mg/l · pH: 7.7
Sydenham East
Greater London · Hardness: 261 mg/l · pH: 7.7
Syon Park
Greater London · Hardness: 253 mg/l · pH: 7.8
Tottenham North
Greater London · Hardness: 269 mg/l · pH: 7.8
Tring
Wiltshire · Hardness: 294 mg/l · pH: 7.2
Twyford Wargrave & Sonning
Berkshire · Hardness: 330 mg/l · pH: 7.2
Upton
Greater London · Hardness: 278 mg/l · pH: 7.8
Wallingford
Berkshire · Hardness: 288 mg/l · pH: 7.3
Walworth
Greater London · Hardness: 254 mg/l · pH: 7.8
Wandsworth East
Greater London · Hardness: 256 mg/l · pH: 7.8
West Wickham
Greater London · Hardness: 289 mg/l · pH: 7.4
Westerham
Greater London · Hardness: 294 mg/l · pH: 7.4
Whitton
Greater London · Hardness: 253 mg/l · pH: 7.8
Wooburn Green
Wiltshire · Hardness: 303 mg/l · pH: 7.5
Woodlands
Berkshire · Hardness: 304 mg/l · pH: 7.3
Wycombe Northwest
Wiltshire · Hardness: 285 mg/l · pH: 7.3
Wycombe South North & Central
Wiltshire · Hardness: 292 mg/l · pH: 7.3
Official Information
For the most up-to-date water quality data, contact Thames Water directly.
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