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Polluted by sewage 475 times in 2025 lasting 1,744 hours
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Donate NowHere are all the reported sewage overflow totals for Sale 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 all the declared CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s appeared to have monitoring enabled for more than 50% of the year
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| United Utilities | River Mersey | STRETFORD WWTW | 31 | 382 | 100 |
| United Utilities | Sinderland Brook | ALTRINCHAM STW | 57 | 346 | 100 |
| United Utilities | River Mersey | WITHINGTON PUMPING STATION 28009 | 67 | 329 | 100 |
| United Utilities | River Mersey | WALWYN CLOSE CSO 45049 | 55 | 140 | 99 |
| United Utilities | River Mersey | BRADLEY LANE (SRETFORD) CSO | 34 | 136 | 86.7 |
| United Utilities | Stromford Brook Via Sws | MANOR AVENUE CSO (45056) | 74 | 107 | 95.6 |
| United Utilities | River Mersey | SLEDMOOR ROAD CSO | 34 | 59 | 99.9 |
| United Utilities | Stromford Brk Rvr Mersey | THE AVENUE SYPHON CSO 452UO | 24 | 41 | 99.9 |
| United Utilities | River Mersey | DANEFIELD ROAD CSO 45052 | 16 | 40 | 100 |
| United Utilities | Riv. Mersey/Kickety Brook | SOUTH OF PEEL TERRACE CSO | 10 | 38 | 99.9 |
| United Utilities | Stromford Brook | MANOR AVENUE CARRINGTON LANE CSO | 24 | 36 | 99.9 |
| United Utilities | Chorlton Brook Via Sws | EDGE LANE/WILBRAHAM CSO | 25 | 33 | 100 |
| United Utilities | Stromford Brook | MANOR AVENUE PS | 8 | 20 | 94.1 |
| United Utilities | Unknown | SOUTH OF PEEL TERRACE CSO | 3 | 11 | 98.5 |
| United Utilities | Stromford Brook | MANOR AVENUE/FIRS ROAD CSO | 6 | 11 | 100 |
| United Utilities | Sinderland Brook | ALTRINHAM WWTW HIGH LEVEL OVERFLOW | 4 | 5 | 97.4 |
| United Utilities | Timperley Brook | BALFOUR ROAD CSO | 3 | 1 | 99.5 |
| United Utilities | Chorleton Brook Via Sws | EDGE LANE/MANCHESTER ROAD/HIGH LANE | 0 | 0 | 99.9 |
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.
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