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Here are all the reported sewage overflow totals for River Lostock in 2025. Sometimes sewage can be being dumped for months at a time.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| United Utilities | River Lostock | LEYLAND WASTE WATER TREATMENT WORKS | 56 | 399 | 100 |
| United Utilities | River Lostock | 74 SLATER LANE (LEYLAND) CSO | 34 | 95 | 99.9 |
| United Utilities | River Lostock | REAR 24 BISPHAM AVENUE CSO | 40 | 90 | 97.5 |
| United Utilities | River Lostock | COWLING LANE LEYLAND LANE CSO 401PW | 40 | 86 | 95.1 |
| United Utilities | River Lostock | GOLDEN HILL LANE CSO | 32 | 56 | 99.9 |
| United Utilities | River Lostock | BEHIND 33 THE ORCHARD CSO 123KF | 21 | 53 | 98 |
| United Utilities | River Lostock | REAR OF LUNAR CARAVANS | 15 | 22 | 99.6 |
| United Utilities | River Lostock | FOWLER LANE/CROSTON ROAD CSO | 9 | 22 | 100 |
| United Utilities | River Lostock | KERN MILL LANE CSO 122BI | 6 | 16 | 91.4 |
| United Utilities | River Lostock | FAIRFIELD STREET CSO | 3 | 10 | 100 |
| United Utilities | River Lostock | O/S 50 BISPHAM AVE | 1 | 1 | 93.6 |
| United Utilities | River Lostock | MH Y6 HAVELOCK ROAD CSO | 120 | 0 | 95.4 |
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