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Here are all the reported sewage overflow totals for Tees Estuary in 2025. Sometimes sewage can be being dumped for months at a time.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Northumbrian Water | Tees Estuary | AISLABY ROAD PUMPING STATION | 30 | 154 | 58 |
| Northumbrian Water | Tees Estuary | SUN STREET STORM SEWAGE OVERFLOW | 36 | 124 | 99.25 |
| Northumbrian Water | Tees Estuary | EGGLESCLIFFE BANK CSO | 47 | 56 | 99.5 |
| Northumbrian Water | Tees Estuary | SEWAGE PUMPING STATION AT SITE OF F | 6 | 34 | 99 |
| Northumbrian Water | Tees Estuary | CORNFIELD ROAD PUMPING STATION | 6 | 28 | 99.9 |
| Northumbrian Water | Tees Estuary | STATION STREET CSO | 25 | 25 | 97.3 |
| Northumbrian Water | Tees Estuary | BOATHOUSE LANE PUMPING STATION | 9 | 1 | 100 |
| Northumbrian Water | Tees Estuary | PRESTON LANE 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.
This project is not associated, approved or endorsed by any of the companies whose logos you see here.
Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org