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Polluted by sewage 514 times in 2025 lasting 1,435 hours
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Donate NowHere are all the reported sewage overflow totals for Middleton (Rochdale) 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 | Wince Brook | OLDHAM WWTW | 38 | 368 | 99.8 |
| United Utilities | Wince Brook | S. CHADDERTON/ | 54 | 209 | 95.7 |
| United Utilities | River Irk | MIDDLETON MAIN OUTFALL | 67 | 163 | 99.9 |
| United Utilities | River Irk | WOOD STREET CSO | 58 | 126 | 93.1 |
| United Utilities | Boardman Brook | MAINWAY/WORCESTER ROAD CSO | 26 | 116 | 96.2 |
| United Utilities | Wince Brook, River Irk | KIRKWAY COMBINED SEWER OVERFLOW | 48 | 108 | 99.7 |
| United Utilities | Springs Brook | SWAN MILL/DRUMMER MILL CSO | 54 | 86 | 87.6 |
| United Utilities | Wince Brook | WHITLEY DRIVE CSO | 25 | 43 | 86.4 |
| United Utilities | Wince Brook | MOSTON RD/ CHADDERTON LOW LEVEL PS | 13 | 35 | 96.8 |
| United Utilities | Trub Brook River Irk | WAVERLEY RD CSO 352W4 | 32 | 33 | 100 |
| United Utilities | Whittle Brook | MIDDLETON RD PS | 5 | 32 | 100 |
| United Utilities | Whit Brook | BOARSHAW ROAD CSO | 32 | 25 | 99.3 |
| United Utilities | Clv Whit Brook | FIELDING STREET CSO (ROC0193) | 5 | 21 | 96.2 |
| United Utilities | Wince Brook | GREENGATE COMBINED SEWER OVERFLOW | 14 | 16 | 99.8 |
| United Utilities | Wince Brook | THE CAUSEWAY CHADDERTON WWNPS | 11 | 14 | 98.3 |
| United Utilities | River Irk | SPRING VALE COMBINED SEWER OVERFLOW | 9 | 13 | 97.5 |
| United Utilities | Spring Brook Via Sws | FERNEYFIELD ROAD CSO OLD0104 | 4 | 7 | 100 |
| United Utilities | Boardman Brook | MANCHESTER NEW ROAD CSO | 9 | 5 | 100 |
| United Utilities | Wince Brook Via Sws | MAINWAYEAST/LINCOLN ROAD CSO | 2 | 3 | 99.2 |
| United Utilities | River Irk | MANCHESTER OLD ROAD CSO | 3 | 1 | 100 |
| United Utilities | Clvrt'D Section River Irk | LONG STREET COMBINED SEWER OVERFLOW | 3 | 1 | 100 |
| United Utilities | Whit Brook, River Irk | BOARDSHAW ROAD CSO | 2 | 0 | 100 |
| United Utilities | Boardman Brook | MOSSWAY CSO | 0 | 0 | 76.8 |
| United Utilities | Whit Brook | JOHN LEE FOLD CSO | 0 | 0 | 97.8 |
| United Utilities | Trub Brook Via Sws | TINTERN ROAD (OFF THE LAND) CSO | 0 | 0 | 99.8 |
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