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Polluted by sewage 286 times in 2025 lasting 708 hours
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Donate NowHere are all the reported sewage overflow totals for Heywood 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 Roch | HEYWOOD (BOTANY STW) CSO | 35 | 240 | 99.9 |
| United Utilities | River Roch | HOOLEY BRIDGE CSO | 39 | 140 | 99.6 |
| United Utilities | River Roch | PEEL LANE CSO NO. 1 | 43 | 92 | 99.9 |
| United Utilities | Barn Brook | PIMHOLE CSO | 49 | 71 | 99.8 |
| United Utilities | River Roch | PEEL LANE NO 2 CSO | 35 | 69 | 99.7 |
| United Utilities | Whittle Brook | MIDDLETON RD PS | 5 | 32 | 100 |
| United Utilities | River Roch | ROCHDALE ROAD/WASH LANE SSO | 25 | 26 | 100 |
| United Utilities | Millers Brook Via Sws | JOHN STREET CSO 35020 | 20 | 18 | 99.7 |
| United Utilities | River Roch | WATERFOLD LANE CSO | 30 | 14 | 96.3 |
| United Utilities | Clv River Roch | OPP 182 ROCHDALE ROAD CSO (BRY0141) | 4 | 3 | 96.9 |
| United Utilities | Whittle Brook Via Sws | MIDDLETON ROAD CSO | 1 | 0 | 100 |
| United Utilities | River Roch | BRIDGE HALL LANE CSO | 0 | 0 | 100 |
| United Utilities | Barn Brook | PRIMROSE HILL CSO | 0 | 0 | 77.6 |
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