For swimmers & paddlers · Sun, 21 Jun 2026
Looking for a safe outdoor swim?
No sampling points are currently scoring verified-safe for swimmers. 272 are amber, 90 red. Most fail because of recent rainfall, an active spill nearby, or a stale test.
For swimmers & paddlers · Sun, 21 Jun 2026
No sampling points are currently scoring verified-safe for swimmers. 272 are amber, 90 red. Most fail because of recent rainfall, an active spill nearby, or a stale test.
Use the postcode finder above
It checks every overflow within 5 km of your address — even spots without a recent bacterial test still tell you about active spills.
Switch to all-purpose mode
Our main safe-spots register shows 0 sampling points with all-green chemistry — useful for paddlers and anglers even where bacterial coverage is missing.
Check designated bathing waters
The Environment Agency tests E. coli at designated bathing waters more frequently. The EA Bathing Water Profiles cover ~420 sites with full season data.
These are storm overflows currently discharging. Don't swim or paddleboard within 5 km downstream until the discharge has stopped and conditions have settled (typically 48 hours after heavy rain).
Severn Trent Water · SVT01679 · spilling for 6 weeks
Southern Water · SWS00496 · spilling for 5 weeks
Anglian Water · AWS00312 · spilling for 3 weeks
Dwr Cymru Welsh Water · Cwm Penmachno WwTW Storm Overflow · spilling for 11 days
Anglian Water · AWS00316 · spilling for 3 days
Dwr Cymru Welsh Water · Crynant WwTW Storm Overflow · spilling for 35 h
South West Water · SBB01335 · spilling for 25.9 h
Dwr Cymru Welsh Water · Bethel Road Cwm-twrch Isaf Overflow · spilling for 21.5 h
Thames Water · TWL00733 · spilling for 20.5 h
Dwr Cymru Welsh Water · Norton Road and Avenue Junction Swansea Storm Overflow · spilling for 18 h
Northumbrian Water · NWL00270 · spilling for 12.3 h
United Utilities · UUP00576 · spilling for 9 h
Dwr Cymru Welsh Water · Heol Y Farchnad Road Storm Overflow · spilling for 5.5 h
Dwr Cymru Welsh Water · Llanelwedd Storm Overflow · spilling for 48 min
Dwr Cymru Welsh Water · Cwrtnewydd WwTW Storm Overflow · spilling for 48 min
United Utilities · UUP01120 · spilling for 37 min
Read the full methodology on the About page.