Detailed water quality information
Do you want to know more about your water? Select a PDF for your water supply zone (WSZ) to download detailed water quality information.
Water quality supply zones
View water quality summary for water supply zone 401
Falfield, Charfield, Wickwar and Hawkesbury Upton
View water quality summary for water supply zone 402
Tetbury and Kingscote
View water quality summary for water supply zone 403
Sherston, Marshfield and Pucklechurch
View water quality summary for water supply zone 404
Filton and Northville
View water quality summary for water supply zone 405
Bradley Stoke and Winterbourne
View water quality summary for water supply zone 406
Henbury, Henleaze and Stoke Bishop
View water quality summary for water supply zone 407
Clifton, Horfield, Redland and Kingsdown
View water quality summary for water supply zone 409
Long Ashton, Failand, Bishopsworth and Dundry
View water quality summary for water supply zone 410
Stapleton, St. George and Coombe
View water quality summary for water supply zone 411
Eastville, Easton, Netham and St. Philips
View water quality summary for water supply zone 412
Kingswood, Fishponds and Mangotsfield
View water quality summary for water supply zone 413
Longwell Green, Saltford and Keynsham
View water quality summary for water supply zone 414
Whitchurch, Hengrove, Knowle and Knowle Park
View water quality summary for water supply zone 415
Yate, Coalpit Heath and Warmley
View water quality summary for water supply zone 416
Thornbury, Shirehampton, Pill and Portishead
View water quality summary for water supply zone 417
Thornbury, Shirehampton, Pill and Portishead
View water quality summary for water supply zone 418
Worle, Weston-Super-Mare north and central
View water quality summary for water supply zone 419
Churchil, Banwell, Bleadon and Weston-Super-Mare
View water quality summary for water supply zone 420
Cheddar, Wedmore, Brent Knoll and Burnham-On-Sea
View water quality summary for water supply zone 421
Wells, Glastonbury, Street and Baltonsborough
View water quality summary for water supply zone 422
Shepton Mallet, Pilton, Oakhill, Wookey Hole and Shipham
View water quality summary for water supply zone 423
Frome, Norton St Philip, Leigh-on-Mendip and Coleford
View water quality summary for water supply zone 424
Evercreech, Preistleigh and Lydford
View water quality summary for water supply zone 425
Blagdon, Clutton, Peasdown, Midsomer Norton and Radstock
View water quality summary for water supply zone 426
Berkley Marsh and Rodham Down
Water treatment works
View water quality summary for Alderley treatment works
Alderley treated water information
View water quality summary for Banwell treatment works
Banwell treated water information
View water quality summary for Barrow 1 (Old Point) treatment works
Barrow 1 (Old Point) treated water information
View water quality summary for Barrow 2 (New Point) treatment works
Barrow 2 (New Point) treated water information
View water quality summary for Cheddar treatment works
Cheddar treated water information
View water quality summary for Chelvey treatment works
Chelvey treated water information
View water quality summary for Littleton treatment works
Littleton treated water information
View water quality summary for Oldford Stowey treatment works
Oldford Stowey treated water information
View water quality summary for Oldford treatment works
Oldford treated water information
View water quality summary for Purton treatment works
Purton treated water information
View water quality summary for Shipton Moyne treatment works
Shipton Moyne treated water information
View water quality summary for Stowey treatment works
Stowey treated water information
View water quality summary for Tetbury treatment works
Tetbury treated water information