Polluted by sewage 247 hours in 2025
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We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Wythenshawe and Sale East, 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 Now| Company | Site Name | Receiving Waterway | Overflow Days | Total Duration (hours) | Total Duration (days) |
|---|---|---|---|---|---|
| United Utilities | Princess Parkway/M60 CSO | River Mersey | 21 | 99 h 18m | 4.12 |
| United Utilities | Outside 91 Styal Road CSO | Gatley Brook Via Sws | 7 | 42 h 28m | 1.75 |
| United Utilities | Sledmoor Road CSO | River Mersey | 14 | 30 h 20m | 1.25 |
| United Utilities | Sledmoor Road CSO | River Mersey | 16 | 28 h 8m | 1.17 |
| United Utilities | The Danefield Road CSO | River Mersey | 4 | 24 h 12m | 1 |
| United Utilities | Kenworthy Lane PS | River Mersey | 5 | 22 h 23m | 0.92 |
| United Utilities | Kenworthy Lane PS | River Mersey | 1 | 0 h 38m | 0 |
| United Utilities | Princess Parkway/M60 CSO | River Mersey | 1 | 0 h | 0 |
| United Utilities | Outside 91 Styal Road CSO | Gatley Brook Via Sws | 0 | 0 h | 0 |
| United Utilities | The Danefield Road CSO | River Mersey | 0 | 0 h | 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. 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.