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Here are all the reported sewage overflow totals for Medway Estuary in 2025. Sometimes sewage can be being dumped for months at a time.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Southern Water | Medway Estuary | COWSTEAD LANE NO 2 AND 3 OUTFALLS | 57 | 52 | 99.47 |
| Southern Water | Medway Estuary | CASTLE RD ALLINGTON PS+STORM TK CEO | 14 | 27 | 99.5 |
| Southern Water | Medway Estuary | SAUNDERS STREET GILLINGHAM CSO | 5 | 16 | 100 |
| Southern Water | Medway Estuary | GRAIN WWTW | 18 | 15 | 98.7 |
| Southern Water | Medway Estuary | CHARLES STREET STROOD CSO | 6 | 4 | 95.1 |
| Southern Water | Medway Estuary | GROVE ROAD CHATHAM OUTSIDE 1 CSO | 7 | 2 | 87.3 |
| Southern Water | Medway Estuary | HALL ROAD AYLESFORD CSO | 5 | 1 | 99.7 |
| Southern Water | Medway Estuary | FRINDSBURY ROAD STROOD CSO | 3 | 0 | 93 |
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