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Here are all the reported sewage overflow totals for River Medlock in 2025. Sometimes sewage can be being dumped for months at a time.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| United Utilities | River Medlock | 250M OF ASHTON ROAD BARDSLEY PS CSO | 30 | 305 | 100 |
| United Utilities | River Medlock | CHESTER ROAD/GREAT JACKSON ROAD CSO | 13 | 66 | 99.7 |
| United Utilities | River Medlock | FAILSWORTH WWTW | 8 | 55 | 99.65 |
| United Utilities | River Medlock | FAIRFIELD STREET CSO | 26 | 39 | 100 |
| United Utilities | River Medlock | EGERTON ST WORSLEY ST CSO | 45 | 35 | 98.9 |
| United Utilities | River Medlock | CHARLES ST PRINCESS ST CSO 28116 | 17 | 25 | 98.5 |
| United Utilities | River Medlock | CHESTER STREET CSO | 1 | 10 | 100 |
| United Utilities | River Medlock | HATHERSHAW CSO | 3 | 9 | 94.3 |
| United Utilities | River Medlock | ROLLESTON AVENUE/BUTLER STREET CSO | 5 | 3 | 99.9 |
| United Utilities | River Medlock | PALMERSTON STREET CSO | 1 | 2 | 100 |
| United Utilities | River Medlock | MOUNT STREET/GREEK STREET CSO | 2 | 0 | 96.1 |
| United Utilities | River Medlock | CHARLES STREET CSO | 1 | 0 | 98.1 |
| United Utilities | River Medlock | BANK STREET CSO | 0 | 0 | 100 |
| United Utilities | River Medlock | BESWICK ST ASHTON NEW RD CSO 281D0 | 0 | 0 | 99.8 |
| United Utilities | River Medlock | BRISCOE LANE CSO | 0 | 0 | 100 |
| United Utilities | River Medlock | BUTLER STREET/WOODWARD STREET CSO | 0 | 0 | 100 |
| United Utilities | River Medlock | CAMBRIDGE STREET CSO 282D9 | 0 | 0 | 100 |
| United Utilities | River Medlock | CULCETH LANE CSO | 0 | 0 | 100 |
| United Utilities | River Medlock | GREAT BRIDGEWATER ST CSO (281WI) | 0 | 0 | 86.5 |
| United Utilities | River Medlock | HILLKIRK STREET CSO (282I9) | 0 | 0 | 92.2 |
| United Utilities | River Medlock | MALLARD STREET/CHARLES STREET CSO | 0 | 0 | 99.3 |
| United Utilities | River Medlock | PALMERSTON STREET CSO | 0 | 0 | 100 |
| United Utilities | River Medlock | ABBEYHILLS COMBINED SEWER OVERFLOW | 0 | 0 | 99.7 |
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