Polluted by sewage 191 times in 2025 lasting 626 hours
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Donate NowHere are all the reported sewage overflow totals for Wath upon Dearne 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 % |
|---|---|---|---|---|---|
| Yorkshire Water | River Dearne | BOLTON ON DEARNE STW | 49 | 323 | 99.75 |
| Yorkshire Water | River Don Via Public Sewer | BRITAIN STREET CSO | 41 | 143 | 100 |
| Yorkshire Water | Brook Dike | YORKSHIRE WATER SERVICES LTD | 17 | 66 | 88.3 |
| Yorkshire Water | Brook Dyke | WATH BROOK DIKE CSO | 18 | 38 | 100 |
| Yorkshire Water | Knoll Beck | PONTEFRACT ROAD CSO | 16 | 20 | 99.7 |
| Yorkshire Water | Brook Dike | WATH DONCASTER ROAD CSO | 17 | 13 | 100 |
| Yorkshire Water | Brook Dike | WATH MOOR ROAD CSO | 17 | 12 | 100 |
| Yorkshire Water | Knoll Beck | MOORBRIDGE ROAD CSO | 8 | 4 | 100 |
| Yorkshire Water | Brook Dike | MELTON GREEN CSO | 6 | 3 | 99.9 |
| Yorkshire Water | Brook Dike Culverted | WAT CHURCH STREET CSO | 2 | 0 | 100 |
| Yorkshire Water | River Dearne | MEXBOROUGH EAST CSO | 0 | 0 | 100 |
| Yorkshire Water | Dove Canal - River Dearne | WATH ROAD SPS | 0 | 0 | 100 |
| Yorkshire Water | Brook Dike | NEW HILL PARK CSO | 0 | 0 | 97.8 |
| Yorkshire Water | Brook Dike | STUMP CROSS ROAD CSO | 0 | 0 | 100 |
| Yorkshire Water | Brook Dike | WATH CEMETERY ROAD CSO | 0 | 0 | 99.9 |
| Yorkshire Water | Brook Dike | WATH WEST STREET CSO | 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
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.
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