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Polluted by sewage 517 times in 2025 lasting 1,105 hours
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Donate NowHere are all the reported sewage overflow totals for Prestwich 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 Irwell | CLIFTON PUMPING STATION | 69 | 297 | 100 |
| United Utilities | River Irwell | PRESTWICH PS | 66 | 214 | 99.8 |
| United Utilities | Bradley Brook Via Sws | PHILIPS DRIVE (WHITEFIELD) CSO | 31 | 157 | 100 |
| United Utilities | River Irwell | AGECROFT POWER STATION CSO | 73 | 124 | 97.8 |
| United Utilities | River Irwell | RAINSOUGH BROW CSO | 42 | 100 | 60.1 |
| United Utilities | River Irwell Via Sws | RADFORD STREET CSO | 30 | 31 | 99.5 |
| United Utilities | Prestwich Clough Via Culvert | FARM HILL CSO 091KO | 31 | 29 | 99.8 |
| United Utilities | Prestwich Clough Clvrt Irwell | CARR CLOUGH CSO 091IG | 35 | 27 | 99.9 |
| United Utilities | Singleton Brook | BURY NEW ROAD CSO | 27 | 23 | 99.8 |
| United Utilities | Singleton Brook | PRESTWICH GOLF COURSE CSO 093IR | 8 | 15 | 100 |
| United Utilities | River Irk | SOUTH OF BLACKLEY NEW ROAD CSO | 17 | 14 | 91.7 |
| United Utilities | River Irk | MIDDLETON ROAD/VICTORIA AVENUE CSO | 4 | 13 | 99.7 |
| United Utilities | River Irk | VICTORIA AVENUE/RIVER IRK CSO | 4 | 10 | 100 |
| United Utilities | Bradley Brook Suf Wtr Sew | MAPLE AVENUE CSO | 14 | 9 | 100 |
| United Utilities | River Irwell | AGECROFT COMMERCE PARK PUMPING STN | 1 | 8 | 100 |
| United Utilities | River Irk Via Birch Brook Clvr | KENDALL ROAD BLACKLEY CSO | 5 | 7 | 99.7 |
| United Utilities | River Irk Via Sws | CHUDDLEIGH ROAD CSO | 13 | 7 | 99.8 |
| United Utilities | Singleton Brook R Irwell | MATHER AVE ALBERT AVE CSO | 7 | 3 | 100 |
| United Utilities | Prestwich Clough Brook | PRESTWICH CLOUGH CSO 09034 | 5 | 1 | 99.9 |
| United Utilities | River Irk Via Sws | VICTORIA AVENUE/GLENBROOK CSO | 9 | 1 | 100 |
| United Utilities | River Irk | SOUTH OF BLACKLEY NEW ROAD CSO | 3 | 1 | 99.4 |
| United Utilities | Prestwich Clough Via Sws | CLIFTON RD LEACH ST CSO 091KQ | 6 | 1 | 99.9 |
| United Utilities | Prestwich Clough Via Clvrt | HAMPDEN ROAD CSO 091XV | 4 | 1 | 99.6 |
| United Utilities | River Irwell | LANGLEY RD NORTH CSO | 5 | 1 | 95.9 |
| United Utilities | River Irk | GLENBROOK RD EXTER RD CSO 281VU | 7 | 0 | 91.7 |
| United Utilities | Prestwich Clough Via Sws | THE CRESCENT CSO 091EJ | 1 | 0 | 100 |
| United Utilities | River Irk | SOUTH OF BLACKLEY NEW ROAD CSO | 0 | 0 | 98 |
| United Utilities | River Irwell Via Culvert | AGECROFT ROAD EAST CSO | 0 | 0 | 98.3 |
| United Utilities | Prestwich Clough Brook | BURY NEW ROAD CSO | 0 | 0 | 71.4 |
| United Utilities | Culvert Of Prestwich Clough | HEYWOOD ROAD CSO 091YZ | 0 | 0 | 99.6 |
| United Utilities | Unknown | PARK LANE D/S OF S.W. | 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