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Here are all the reported sewage overflow totals for River Sheaf in 2025. Sometimes sewage can be being dumped for months at a time.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Yorkshire Water | River Sheaf | MILLHOUSES PARK CSO | 90 | 490 | 100 |
| Yorkshire Water | River Sheaf | LEYBURN ROAD SHEFFIELD NO2 CSO | 30 | 113 | 100 |
| Yorkshire Water | River Sheaf | SSO IN BROADFIELD ROAD, SHEFFIELD | 24 | 91 | 99.7 |
| Yorkshire Water | River Sheaf | SHEAF BANK COMBINED SEWER OVERFLOW | 33 | 73 | 99.2 |
| Yorkshire Water | River Sheaf | EAST COWICK SEWAGE PUMPING STATION | 24 | 67 | 99.8 |
| Yorkshire Water | River Sheaf | ABBEYDALE ROAD 62 NO2 CSO | 7 | 65 | 100 |
| Yorkshire Water | River Sheaf | LITTLE LONDON ROAD CSO | 32 | 54 | 96.8 |
| Yorkshire Water | River Sheaf | GRANVILLE ROAD STORM SEWAGE OVERFLW | 26 | 51 | 100 |
| Yorkshire Water | River Sheaf | WOODSEATS ROAD 2 CSO | 8 | 19 | 96.7 |
| Yorkshire Water | River Sheaf | ST MARY'S ROAD CSO | 5 | 8 | 100 |
| Yorkshire Water | River Sheaf | OLIVE GROVE DEPOT CSO | 12 | 7 | 100 |
| Yorkshire Water | River Sheaf | AIZLEWOOD ROAD CSO | 7 | 6 | 100 |
| Yorkshire Water | River Sheaf | SMITHY WOOD CRESCENT CSO | 2 | 1 | 99.8 |
| Yorkshire Water | River Sheaf | GLEADLESS ROAD HEELEY | 2 | 0 | 100 |
| Yorkshire Water | River Sheaf | FRASER ROAD CSO | 0 | 0 | 96 |
| Yorkshire Water | River Sheaf | WOODSEATS ROAD 1 CSO | 0 | 0 | 6.6 |
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
Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.
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