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Here are all the reported sewage overflow totals for Controlled Sea in 2025. Sometimes sewage can be being dumped for months at a time.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Southern Water | Controlled Sea | LITTLEHAMPTON WWPS | 97 | 748 | 100 |
| Southern Water | Controlled Sea | BOGNOR REGIS WASTEWATER PS | 62 | 159 | 100 |
| Southern Water | Controlled Sea | POLEGROVE TANK CSO | 10 | 92 | 97.4 |
| Southern Water | Controlled Sea | COODEN BEACH TANK CSO | 6 | 90 | 98.2 |
| Southern Water | Controlled Sea | BEXHILL DOWN TANK CSO | 6 | 46 | 100 |
| Southern Water | Controlled Sea | TANKERTON BAY OUTFALL | 34 | 29 | 99.43 |
| Southern Water | Controlled Sea | HARTFIELD ROAD CSO | 10 | 21 | 100 |
| Southern Water | Controlled Sea | ALDWICK AVENUE CSO | 4 | 14 | 99.2 |
| Southern Water | Controlled Sea | WESTCLIFF PUMPING STATION | 2 | 5 | 97.8 |
| Southern Water | Controlled Sea | CLIFFS END OUTFALL | 1 | 4 | 100 |
| Southern Water | Controlled Sea | SANDGATE PUMPING STATION | 1 | 1 | 100 |
| Southern Water | Controlled Sea | LONDON ROAD BURGESS HILL CSO | 2 | 0 | 97.4 |
| Southern Water | Controlled Sea | ALDWICK ROAD/VICTORIA ROAD CSO | 1 | 0 | 99.5 |
| Southern Water | Controlled Sea | ST MILDRED'S BAY CSO | 1 | 0 | 100 |
| Southern Water | Controlled Sea | SEA VIEW TERRACE CSO | 1 | 0 | 99.4 |
| Southern Water | Controlled Sea | BROADMARK PUMPING STATION | 0 | 0 | 100 |
| Southern Water | Controlled Sea | ALBION CSO | 0 | 0 | 99.6 |
| Southern Water | Controlled Sea | MARINE TERRACE C S O | 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
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