Polluted by sewage 161 times in 2025 lasting 179 hours
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Donate NowHere are all the reported sewage overflow totals for Ferryhill 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 | Mainsforth Stell | CHILTON LANE PS EMERGENCY OVERFLOW | 7 | 53 | 99.9 |
| Northumbrian Water | Carrs Rvr Skerne | CHILTON LANE A CSO | 29 | 32 | 80.7 |
| Northumbrian Water | Mainsforth Stell | CHILTON LANE SSO | 16 | 31 | 99.6 |
| Northumbrian Water | East Howle Beck | FERRYHILL NORTH SPS | 31 | 30 | 99.7 |
| Northumbrian Water | Mainsforth Stell | FERRYHILL PS | 18 | 24 | 99.9 |
| Northumbrian Water | Coxhoe Beck | EAST HOWLE STW | 23 | 4 | 99.7 |
| Northumbrian Water | Carrs | ROWLANDSON TERRACE CSO | 17 | 2 | 97.9 |
| Northumbrian Water | Tursdale Beck | DURHAM ROAD CSO | 12 | 0 | 88 |
| Northumbrian Water | River Skerne | DEAN ROAD CSO | 8 | 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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