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Polluted by sewage 24 times in 2025 lasting 130 hours
Monitoring fell below 50% in some locations so could be more
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Donate NowHere are all the reported sewage overflow totals for Hammersmith and Fulham in 2025. Sometimes sewage can be being dumped for months at a time.
Reporting refers to how much of the time the monitoring was active. In this place 1 of the total 15 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway locations had reporting enabled for less than half the year.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Thames Water | Tidal Thames | West Putney S R, Home Way | 3 | 36 | 99.8 |
| Thames Water | Thames Tidal | WANDSWORTH, LONDON SW11 | 4 | 20 | 99.9 |
| Thames Water | River Thames | PUTNEY BRIDGE STREET, LONDON | 2 | 15 | 95.7 |
| Thames Water | Bell Lane Creek | Frogmore Storm | 2 | 13 | 100 |
| Thames Water | Thames | Acton P/S and storm | 1 | 11 | 100 |
| Thames Water | River Thames | COUNTERS CREEK, LOTS ROAD PS, LONDO | 1 | 9 | 49.3 |
| Thames Water | River Thames | HAMMERSMITH PS, LONDON | 2 | 9 | 86.4 |
| Thames Water | River Thames | FALCON BROOK PS, LONDON | 3 | 8 | 99.9 |
| Thames Water | River Thames | STAMFORD BROOK, HAMMERSMITH, LONDON | 1 | 3 | 100 |
| Thames Water | Wandle | Bell Lane Creek | 1 | 1 | 99.4 |
| Thames Water | River Thames | CHURCH STREET SEWER, LONDON | 2 | 1 | 100 |
| Thames Water | River Thames | NW. RELIEF SEWER, LOWER MALL, LONDO | 1 | 0 | 99.8 |
| Thames Water | River Thames | LOW LEVEL 1, LOWER MALL, LONDON | 1 | 0 | 100 |
| Thames Water | River Thames | WANDLE VALLEY, LONDON | 0 | 0 | 94.4 |
| Thames Water | Brent | Longstone Ave, Drayton Road | 0 | 0 | 98.5 |
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
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.
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Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org