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Polluted by sewage 117 times in 2025 lasting 315 hours
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Donate NowHere are all the reported sewage overflow totals for Barnard Castle 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 | River Tees | BARNARD CASTLE STW | 29 | 136 | 99.85 |
| Northumbrian Water | Deepdale Beck | STARTFORTH PS | 9 | 76 | 100 |
| Northumbrian Water | River Tees | DEMESNES MILL CSO | 20 | 25 | 98 |
| Northumbrian Water | River Tees | BARNARD CASTLE STW | 16 | 23 | 99.3 |
| Northumbrian Water | Tees | GRAY LANE STORM SEWAGE OVERFLOW | 22 | 19 | 99.5 |
| Northumbrian Water | River Tees | THE LENDINGS (STARTFORTH) SPS | 6 | 15 | 100 |
| Northumbrian Water | River Tees | GALGATE CSO | 14 | 14 | 96.6 |
| Northumbrian Water | Tees | REAR OF RABY ROAD STORM SEWAGE OVER | 1 | 3 | 99 |
| Northumbrian Water | Tees | DEMESNES MILL NO 3 CSO | 0 | 0 | 99.7 |
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.
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