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Polluted by sewage 142 times in 2025 lasting 254 hours
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Donate NowHere are all the reported sewage overflow totals for Gravesham 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 constituency 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 % |
|---|---|---|---|---|---|
| Southern Water | Tidal River Thames | GRAVESEND WWTW | 42 | 120 | 99.9 |
| Southern Water | Thames Estuary | EMPRESS RD DENTON CATCH CHAMB' CS0 | 31 | 65 | 99.6 |
| Southern Water | Tidal River Thames | SINGLEWELL ROAD GRAVESEND 123 CSO | 3 | 22 | 60.9 |
| Southern Water | Tidal River Thames | MILTON ROAD GRAVESEND CSO | 11 | 16 | 50.2 |
| Southern Water | Tidal River Thames | OLD ROAD WEST GRAVESEND CSO | 16 | 10 | 100 |
| Southern Water | Tidal River Thames | NORTHFLEET WWTW | 2 | 6 | 99.9 |
| Southern Water | Thames Estuary | CRAWLEY COURT GRAVESEND CSO | 11 | 5 | 100 |
| Southern Water | River Thames - Tidal | CROSS LANE EAST CSO | 9 | 2 | 55.5 |
| Southern Water | Tidal River Thames | CROSS LANE WEST GRAVESEND CSO | 8 | 1 | 68.5 |
| Southern Water | River Thames Estuary | HIGH ST GRAVESEND OUTSIDE 70 CSO | 8 | 1 | 82.3 |
| Southern Water | Tidal River Thames | COBHAM STREET GRAVESEND CSO | 1 | 1 | 66.8 |
| Southern Water | Thames Estuary | TOWN PIER, GRAVESEND 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
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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