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Polluted by sewage 212 times in 2025 lasting 645 hours
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Donate NowHere are all the reported sewage overflow totals for Darlington 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 % |
|---|---|---|---|---|---|
| Northumbrian Water | Tees | STRESSHOLME STW | 30 | 187 | 100 |
| Northumbrian Water | River Skerne | SOUTH PARK CSO DL035 | 30 | 150 | 87.8 |
| Northumbrian Water | River Skerne | WHESSOE SPS | 12 | 66 | 99.9 |
| Northumbrian Water | River Skerne | VICTORIA EMBANKMENT - POLAM LANE | 11 | 45 | 98.8 |
| Northumbrian Water | Skerne | BEAUMONT HILL SSO | 21 | 39 | 97.3 |
| Northumbrian Water | River Skerne | NEASHAM ROAD CSO (Y5) | 29 | 30 | 92 |
| Northumbrian Water | River Skerne | DARLINGTON CROWN STREET NO 34 CSO | 11 | 29 | 100 |
| Northumbrian Water | Cree Beck | CREE BECK CSO | 6 | 28 | 90.7 |
| Northumbrian Water | Skerne, | HARROWGATE HILL SEWAGE PS | 9 | 22 | 100 |
| Northumbrian Water | Tees | EDINBURGH DRIVE CSO | 7 | 18 | 95 |
| Northumbrian Water | Cocker Beck | DENE GROVE CSO | 4 | 7 | 99.6 |
| Northumbrian Water | West Beck | SPRING COURT CSO DL006 | 4 | 6 | 88.4 |
| Northumbrian Water | River Skerne | YARM ROAD CSO (Y2) | 6 | 2 | 87.6 |
| Northumbrian Water | Tees | BLACKWELL SCAR PS | 2 | 1 | 87.6 |
| Northumbrian Water | Skerne | GLADSTONE STREET (G1) | 5 | 1 | 99.9 |
| Northumbrian Water | River Skerne | YARM ROAD CSO (Y3) | 3 | 1 | 99.5 |
| Northumbrian Water | River Skerne | NEASHAM ROAD (Y4) CSO | 3 | 1 | 99.7 |
| Northumbrian Water | Skerne | SOUTH PARK EAST CSO | 3 | 1 | 100 |
| Northumbrian Water | River Skerne | VICTORIA ROAD CSO | 2 | 0 | 99.9 |
| Northumbrian Water | River Skerne | CSO YARM ROAD DL18 | 4 | 0 | 93.1 |
| Northumbrian Water | River Tees | MAYFAIR ROAD CSO | 3 | 0 | 93 |
| Northumbrian Water | River Skerne | YARM ROAD CSO (Y6) | 1 | 0 | 82.4 |
| Northumbrian Water | River Skerne | EASSON ROAD/DODDS STREET CSO | 3 | 0 | 98.8 |
| Northumbrian Water | River Skerne | REAR FORSTER ST/EASSON ROAD CSO | 2 | 0 | 89 |
| Northumbrian Water | Cree Beck Tees Catchment | GENEVA ROAD CSO | 1 | 0 | 75.2 |
| Northumbrian Water | River Skerne | ASKRIGG STREET COMBINED SEWER OVERF | 0 | 0 | 99.9 |
| Northumbrian Water | Cocker Beck | CSO AT WOODLAND ROAD | 0 | 0 | 99.5 |
| Northumbrian Water | River Skerne | FORSTER STREET/EASSON ROAD CSO | 0 | 0 | 96.1 |
| Northumbrian Water | River Tees | STAPLETON SPS | 0 | 0 | 99.8 |
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