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Polluted by sewage 903 times in 2024 lasting 4,361 hours
Monitoring was disabled in some locations, so could be more
So far this year (as of Apr 30, 2025, 9:30 AM) there has been 1,138 hours of sewage overflows
Your local MP is Elsie Blundell (Labour) - Find out more about their interests, donors, and voting at They Work For You
We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Heywood and Middleton North, here you can see overflows in red, the darker the red, the more the CSO overflowed that day.
Each CSO has a row, the most recent data is on the right hand side.
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Donate NowHere are all the reported sewage overflow totals for Heywood and Middleton North in 2024. 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 constituency 1 of the total 28 CSO locations had reporting enabled for less than half the year. Of these 1 had zero reporting.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| United Utilities | River Roch | ROCHDALE WWTW | 116 | 1,678 | 100 |
| United Utilities | River Roch | HEYWOOD (BOTANY STW) CSO | 67 | 910 | 99.6 |
| United Utilities | Trub Brook River Irwell | CASTLETON WWTW CSTLT | 47 | 319 | 99.7 |
| United Utilities | River Roch | SUDDEN VALLEY SEWER | 95 | 241 | 100 |
| United Utilities | Unknown | NORDEN/BAMFORD OUTFALL SEWER | 72 | 240 | 98 |
| United Utilities | River Roch | HOOLEY BRIDGE CSO | 64 | 193 | 89.4 |
| United Utilities | . | CASTLETON SOUTH JUNCTION CSO | 44 | 123 | 99.3 |
| United Utilities | River Irk | WOOD STREET CSO | 60 | 119 | 98.3 |
| United Utilities | River Spodden | SPOTLAND BRIDGE CSO 35035 | 45 | 118 | 98.1 |
| United Utilities | River Roch | PEEL LANE CSO NO. 1 | 55 | 98 | 99.9 |
| United Utilities | Trub Brook River Irk | WAVERLEY RD CSO 352W4 | 54 | 79 | 99.2 |
| United Utilities | River Roch | PEEL LANE NO 2 CSO | 47 | 68 | 99.5 |
| United Utilities | Whittle Brook | MIDDLETON RD PS | 11 | 40 | 100 |
| United Utilities | Clv Whit Brook | FIELDING STREET CSO (ROC0193) | 6 | 36 | 87.3 |
| United Utilities | Millers Brook Via Sws | JOHN STREET CSO 35020 | 27 | 33 | 100 |
| United Utilities | Whit Brook | BOARSHAW ROAD CSO | 32 | 23 | 99.2 |
| United Utilities | River Roch | WATERFOLD LANE CSO | 32 | 16 | 98 |
| United Utilities | River Irk | SPRING VALE COMBINED SEWER OVERFLOW | 7 | 10 | 57.3 |
| United Utilities | Naden Brook | EDENFIELD ROAD CSO | 6 | 4 | 99.4 |
| United Utilities | Trub Brook Via Sws | TINTERN ROAD (OFF THE LAND) CSO | 8 | 1 | 98.9 |
| United Utilities | Whit Brook | JOHN LEE FOLD CSO | 2 | 0 | 94.4 |
| United Utilities | Clvrt'D Section River Irk | LONG STREET COMBINED SEWER OVERFLOW | 3 | 0 | 99.4 |
| United Utilities | Healey Dell | ROOLEY MOOR RD W51 | 3 | 0 | 88.7 |
| United Utilities | River Spodden | MELLOR STREET CSO | 0 | 0 | 99.4 |
| United Utilities | Whit Brook, River Irk | BOARDSHAW ROAD CSO | 0 | 0 | 98.8 |
| United Utilities | Whittle Brook Via Sws | MIDDLETON ROAD CSO | 0 | 0 | 91.5 |
| United Utilities | Naden Brook R Roch | 745 EDENFIELD ROAD CSO | 0 | 0 | 99.2 |
| United Utilities | Unknown | MARLAND HILL SSO | 0 | 0 | 0 |
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. This 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