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Polluted by sewage 468 times in 2025 lasting 2,744 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 Irlam 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 12 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 % |
|---|---|---|---|---|---|
| United Utilities | Manchester Ship Canal | LOCK LANE PARTINGTON CSO | 217 | 1,573 | 94.9 |
| United Utilities | River Glaze | IRLAM WASTEWATER TREATMENT WORKS | 96 | 592 | 100 |
| United Utilities | Manchester Ship Canal | URMSTON WASTEWATER TREATMENT WORKS | 25 | 193 | 100 |
| United Utilities | Red Brook | PARTINGTON WWTW | 40 | 180 | 96.2 |
| United Utilities | Manchester Ship Canal Via Sws | PARK ROAD (STRETFORD) CSO | 37 | 87 | 99.9 |
| United Utilities | Manchester Ship Canal Via Sws | TOWNSGATE COMBINED SEWER OVERFLOW | 9 | 28 | 99.8 |
| United Utilities | Manchester Ship Canal Via Sws | LYTHAM ROAD CSO (452EF) | 10 | 22 | 99.2 |
| United Utilities | Manchester Ship Canal | FAIRHILLS ROAD CSO (37002) | 14 | 21 | 99.3 |
| United Utilities | River Glaze Via Sws | ST HELENS CLOSE CSO | 8 | 17 | 99.1 |
| United Utilities | Manchester Ship Canal | LORDS STREET/LIVERPOOL ROAD CSO | 10 | 16 | 96.7 |
| United Utilities | River Glaze | LORDS STREET/FIR STREET CSO | 2 | 9 | 41.7 |
| United Utilities | Glaze Brook | GLAZEBROOK LANE CSO IN FIELD | 0 | 0 | 100 |
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