The verified-safe register

Where the data says it's safe today

Sampling points where the most recent Environment Agency lab tests fall within published bathing-water and ecological standards, with no active spill within 5 km. Each rating is good only as of the test date — water quality changes hour-to-hour with rain.

Mode

All purposes Swimmer / paddler Angler

Requires recent E. coli, Enterococci, or faecal coliform reading

Tier

All · 306 ✓ 0 verified safe ⚠ 252 caution ✗ 54 avoid

Filtered to verified safe · swimmer / paddler mode · clear all

Official register

Designated bathing waters

Environment Agency designated river and inland bathing waters, showing the EA's own annual classification and any active short-term pollution warning. This is the official register; the lab-sample-derived list below is separate.

Colwick Country Park (West Lake)
Verified safe
City of Nottingham
EA classification: Excellent (2025)
Latest EA sample (7 Sept 2026): E. coli <10 cfu/100ml · intestinal enterococci 18 cfu/100ml
Coniston Water, Boating Centre
Caution
Westmorland and Furness
EA classification: Sufficient (2025)
Latest EA sample (13 Sept 2026): E. coli 320 cfu/100ml · intestinal enterococci 400 cfu/100ml
Coniston Water, Brown Howe
Verified safe
Westmorland and Furness
EA classification: Good (2025)
Latest EA sample (13 Sept 2026): E. coli 110 cfu/100ml · intestinal enterococci 36 cfu/100ml
Coniston Water, Monk Coniston
Verified safe
Westmorland and Furness
EA classification: Good (2025)
Latest EA sample (13 Sept 2026): E. coli 82 cfu/100ml · intestinal enterococci 73 cfu/100ml
Cotswold Country Park and Beach
Verified safe
Cotswold
EA classification: Excellent (2025)
Latest EA sample (6 Sept 2026): E. coli 36 cfu/100ml · intestinal enterococci 55 cfu/100ml
Derwent Water at Crow Park
Avoid
Cumberland
EA classification: Poor (2025)
Latest EA sample (13 Sept 2026): E. coli 630 cfu/100ml · intestinal enterococci 320 cfu/100ml
Falcon Meadow, River Waveney
Caution
East Suffolk
EA classification: Unclassified
Latest EA sample (8 Sept 2026): E. coli 160 cfu/100ml · intestinal enterococci 55 cfu/100ml
Frensham Great Pond
Verified safe
Waverley
EA classification: Excellent (2025)
Latest EA sample (10 Sept 2026): E. coli 230 cfu/100ml · intestinal enterococci 270 cfu/100ml
Friars Meadow, River Stour
Verified safe
Babergh
EA classification: Good (2025)
Latest EA sample (8 Sept 2026): E. coli 110 cfu/100ml · intestinal enterococci 27 cfu/100ml
Ham and Kingston, River Thames
Caution
Kingston upon Thames
EA classification: Unclassified
Latest EA sample (9 Sept 2026): E. coli 6,600 cfu/100ml · intestinal enterococci 2,500 cfu/100ml
Hampstead Heath (Ladies Pond)
Verified safe
City and County of the City of London
EA classification: Good (2025)
Latest EA sample (9 Sept 2026): E. coli 160 cfu/100ml · intestinal enterococci 150 cfu/100ml
Hampstead Heath (Mens Pond)
Verified safe
City and County of the City of London
EA classification: Excellent (2025)
Latest EA sample (3 Sept 2026): E. coli 200 cfu/100ml · intestinal enterococci 250 cfu/100ml
Hampstead Heath (Mixed Pond)
Verified safe
City and County of the City of London
EA classification: Excellent (2025)
Latest EA sample (9 Sept 2026): E. coli 170 cfu/100ml · intestinal enterococci 110 cfu/100ml
Henleaze Lake
Verified safe
City of Bristol
EA classification: Excellent (2025)
Latest EA sample (9 Sept 2026): E. coli 91 cfu/100ml · intestinal enterococci 120 cfu/100ml
Nidd at the Lido, Knaresborough
Avoid
North Yorkshire
EA classification: Poor (2025)
Latest EA sample (14 Sept 2026): E. coli 670 cfu/100ml · intestinal enterococci 170 cfu/100ml
Pangbourne Meadow, River Thames
Caution
Pangbourne Parish
EA classification: Unclassified
Latest EA sample (11 Sept 2026): E. coli 91 cfu/100ml · intestinal enterococci 73 cfu/100ml
River Avon at Fordingbridge
Avoid
New Forest
EA classification: Poor (2025)
Latest EA sample (8 Sept 2026): E. coli 1,800 cfu/100ml · intestinal enterococci 990 cfu/100ml
River Avon at Queen Elizabeth Gardens
Caution
Wiltshire
EA classification: Unclassified
Latest EA sample (8 Sept 2026): E. coli >10,000 cfu/100ml · intestinal enterococci >10,000 cfu/100ml
River Frome at Farleigh Hungerford
Avoid
Somerset
EA classification: Poor (2025)
Latest EA sample (9 Sept 2026): E. coli 1,400 cfu/100ml · intestinal enterococci 680 cfu/100ml
River Ribble at Edisford Bridge
Avoid
Ribble Valley
EA classification: Poor (2025)
Latest EA sample (10 Sept 2026): E. coli 580 cfu/100ml · intestinal enterococci 150 cfu/100ml
River Severn at Ironbridge
Avoid
Telford and Wrekin
EA classification: Poor (2025)
Latest EA sample (8 Sept 2026): E. coli 300 cfu/100ml · intestinal enterococci 150 cfu/100ml
River Severn in Shrewsbury
Avoid
Shropshire
EA classification: Poor (2025)
Latest EA sample (8 Sept 2026): E. coli 170 cfu/100ml · intestinal enterococci 180 cfu/100ml
River Teme in Ludlow
Avoid
Shropshire
EA classification: Poor (2025)
Latest EA sample (8 Sept 2026): E. coli 110 cfu/100ml · intestinal enterococci 45 cfu/100ml
Active short-term pollution warning from the Environment Agency. Avoid bathing until it clears.
River Tone at French Weir Park
Avoid
Somerset
EA classification: Poor (2025)
Latest EA sample (14 Sept 2026): E. coli 550 cfu/100ml · intestinal enterococci 330 cfu/100ml
Rutland Water Sykes Lane
Verified safe
Rutland
EA classification: Excellent (2025)
Latest EA sample (11 Sept 2026): E. coli 27 cfu/100ml · intestinal enterococci <10 cfu/100ml
Rutland Water Whitwell Creek
Verified safe
Rutland
EA classification: Excellent (2025)
Latest EA sample (11 Sept 2026): E. coli <10 cfu/100ml · intestinal enterococci <10 cfu/100ml
Sandy Lane, Chester
Caution
Cheshire West and Chester
EA classification: Unclassified
Latest EA sample (6 Sept 2026): E. coli 720 cfu/100ml · intestinal enterococci 170 cfu/100ml
Sheep's Green, River Cam
Avoid
Cambridge
EA classification: Poor (2025)
Latest EA sample (14 Sept 2026): E. coli 420 cfu/100ml · intestinal enterococci 400 cfu/100ml
Swale above Richmond Falls
Caution
North Yorkshire
EA classification: Unclassified
Latest EA sample (9 Sept 2026): E. coli 610 cfu/100ml · intestinal enterococci 240 cfu/100ml
The Serpentine - Hyde Park
Verified safe
City of Westminster
EA classification: Good (2025)
Latest EA sample (9 Sept 2026): E. coli 350 cfu/100ml · intestinal enterococci 110 cfu/100ml
Wallingford Beach, River Thames
Caution
South Oxfordshire
EA classification: Sufficient (2025)
Latest EA sample (11 Sept 2026): E. coli 150 cfu/100ml · intestinal enterococci 110 cfu/100ml
Wharfe at Cromwheel, Ilkley
Avoid
Bradford
EA classification: Poor (2025)
Latest EA sample (14 Sept 2026): E. coli 620 cfu/100ml · intestinal enterococci 340 cfu/100ml
Wharfe at Wilderness Carpark
Avoid
Leeds
EA classification: Poor (2025)
Latest EA sample (14 Sept 2026): E. coli 1,300 cfu/100ml · intestinal enterococci 530 cfu/100ml
Windermere, Fellfoot
Verified safe
Westmorland and Furness
EA classification: Excellent (2025)
Latest EA sample (13 Sept 2026): E. coli 55 cfu/100ml · intestinal enterococci <10 cfu/100ml
Windermere, Lakeside YMCA
Verified safe
Westmorland and Furness
EA classification: Excellent (2025)
Latest EA sample (13 Sept 2026): E. coli <10 cfu/100ml · intestinal enterococci <10 cfu/100ml
Windermere, Millerground Landing
Verified safe
Westmorland and Furness
EA classification: Excellent (2025)
Latest EA sample (13 Sept 2026): E. coli 27 cfu/100ml · intestinal enterococci 27 cfu/100ml
Windermere, Rayrigg Meadow
Verified safe
Westmorland and Furness
EA classification: Excellent (2025)
Latest EA sample (13 Sept 2026): E. coli <10 cfu/100ml · intestinal enterococci 27 cfu/100ml
Wolvercote Mill Stream
Avoid
Oxford
EA classification: Poor (2025)
Latest EA sample (11 Sept 2026): E. coli 310 cfu/100ml · intestinal enterococci 120 cfu/100ml

No sampling points are currently rated verified safe in swimmer / paddler mode.