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Totals for 2025
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Donate NowPolluted by sewage 4,975 hours in 2025
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Donate Now| Company | Site Name | Receiving Waterway | Overflow Days | Total Duration (hours) | Offline/Potential Pollution |
|---|---|---|---|---|---|
| Wessex Water | EAST HARPTREE STORM TANK | River Chew | 54 | 959h 15m | - |
| Wessex Water | Unknown | Unknown | 52 | 946h 54m | - |
| Wessex Water | WINSCOMBE STORM TANK | Lox Yeo River | 39 | 655h 58m | - |
| Wessex Water | BUTCOMBE STORM TANK | Congresbury Yeo And Butcombe | 23 | 470h 58m | - |
| Wessex Water | UBLEY FROG LANE STORM TANK | Congresbury Yeo, Lake | 20 | 368h 42m | - |
| Wessex Water | EAST HARPTREE STORM TANK | River Chew | 47 | 332h 42m | 0 h |
| Wessex Water | UBLEY FROG LANE STORM TANK | Congresbury Yeo, Lake | 21 | 317h 21m | - |
| Wessex Water | BLAGDON STORM TANK | Congresbury Yeo | 18 | 205h 24m | - |
| Wessex Water | WINSCOMBE STORM TANK | Lox Yeo River | 16 | 183h 50m | - |
| Wessex Water | BLAGDON STORM TANK | Congresbury Yeo | 12 | 163h 12m | - |
| Wessex Water | BUTCOMBE STORM TANK | Congresbury Yeo And Butcombe | 9 | 130h 15m | - |
| Wessex Water | BISHOP SUTTON | River Chew | 21 | 66h 5m | - |
| Wessex Water | CHEDDAR FROGLANDS | River Yeo | 14 | 61h 22m | - |
| Wessex Water | BISHOP SUTTON | River Chew | 21 | 31h 5m | 0 h |
| Wessex Water | CROSS EAST | Cross Rhyne | 4 | 20h 52m | - |
| Wessex Water | WINSCOMBE INLET | Lox Yeo River | 3 | 17h 28m | - |
| Wessex Water | CROSS EAST | Cross Rhyne | 3 | 16h 29m | - |
| Wessex Water | Unknown | Unknown | 2 | 9h 34m | 1 h |
| Wessex Water | CHEDDAR FROGLANDS | River Yeo | 11 | 8h 33m | - |
| Wessex Water | SANDFORD BATCH | Towerhead Brook | 3 | 5h 52m | - |
| Wessex Water | SANDFORD BATCH | Towerhead Brook | 3 | 3h 14m | - |
| Wessex Water | WOOKEY HOLE KENNEL BATCH / HIGH STREET | River Axe Via Sws | 2 | 0h 16m | - |
| Wessex Water | WINSCOMBE INLET | Lox Yeo River | 0 | 0h | - |
| Wessex Water | LOXTON SOUTH OF THE COACH HOUSE | Axe Link Rhtne To River Yeo | 0 | 0h | - |
| Wessex Water | LOXTON SOUTH OF THE COACH HOUSE | Axe Link Rhtne To River Yeo | 0 | 0h | - |
EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales, and Scottish Water
Experimental derived data from Thames Water API, Some data may be missing or inaccurate. Live sewage data from Stream Water API
Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.
Uses Environment Agency rainfall data from the real-time data API (Beta) - Rainfall data is delayed by up to two days.
This website is intended to provide an accurate representation of the Environment Agency data. The data is hard to use, and thus some errors may have been made. If you find something that is incorrect, please raise an issue at the GitHub issues page and we'll endeavour to fix it quickly.
This project is not associated, approved or endorsed by any of the companies whose logos you see here.
Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org
