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Polluted by sewage 149 times in 2025 lasting 788 hours
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Donate NowHere are all the reported sewage overflow totals for Doncaster 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 % |
|---|---|---|---|---|---|
| Severn Trent Water | Warmsworth Beck | WARMSWORTH WASTEWATER TREATMENT WKS | 49 | 165 | 100 |
| Yorkshire Water | River Don | SANDALL WWTW | 15 | 149 | 99.9 |
| Yorkshire Water | Mother Drain | BALBY STW (YWS) | 15 | 110 | 99.95 |
| Severn Trent Water | River Torne | BRANTON WASTEWATER TREATMENT WORKS | 15 | 105 | 97.2 |
| Yorkshire Water | Fowler Bridge Drain | BENTLEY RISE PS & CSO | 12 | 67 | 100 |
| Yorkshire Water | Lady Bank Drain | SANDY LANE PUMPING STATION | 10 | 59 | 100 |
| Yorkshire Water | Culverted River Cheswold | DONCASTER INTERCHANGE CSO | 10 | 44 | 100 |
| Yorkshire Water | An Unnamed Shef | WHEATLY/NO 2 SPS | 9 | 44 | 93.3 |
| Severn Trent Water | Rossington Drain | ADJ TO BANKWOOD LANE PS - STORM OF | 5 | 24 | 100 |
| Yorkshire Water | Swaidike | ANCHROAGE LANE CSO | 6 | 16 | 99.9 |
| Severn Trent Water | Warmsworth Beck | WARMSWORTH - COMMON LANE CSO | 2 | 1 | 99.1 |
| Yorkshire Water | River Don | THORNE ROAD CSO | 1 | 0 | 99.9 |
| Yorkshire Water | Drain Leading To River Don | HARROWDEN CSO | 0 | 0 | 99.9 |
| Yorkshire Water | River Don | SMITHS SQUARE 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
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