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Here are all the reported sewage overflow totals for River Medway in 2025. Sometimes sewage can be being dumped for months at a time.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Southern Water | River Medway | HARTFIELD ROAD CSO | 56 | 438 | 100 |
| Southern Water | River Medway | PENSHURST S.T.W. | 61 | 350 | 99.9 |
| Southern Water | River Medway | HARTFIELD S.T.W. | 30 | 312 | 100 |
| Southern Water | River Medway | FOREST ROW WWTW | 20 | 232 | 97.1 |
| Southern Water | River Medway | CANNON LANE COMBINED SEWER OVERFLOW | 40 | 194 | 100 |
| Southern Water | River Medway | FIVE OAK GREEN ROAD TUDELEY CEO | 36 | 190 | 99.6 |
| Southern Water | River Medway | WITHYPITTS PUMPING STATION | 29 | 176 | 99.4 |
| Southern Water | River Medway | FORDCOMBE WASTEWATER TREATMENT WRKS | 21 | 98 | 97.7 |
| Southern Water | River Medway | SOUTHBOROUGH CEMETERY TUNBRIDGE | 37 | 88 | 96.3 |
| Southern Water | River Medway | THE STRAND GILLINGHAM CEO | 34 | 78 | 97.6 |
| Southern Water | River Medway | HILDEN PARK PUMPING STATION | 19 | 73 | 100 |
| Southern Water | River Medway | HAZEL WAY PUMPING STATION | 12 | 52 | 100 |
| Southern Water | River Medway | DOCK ROAD GILLINGHAM CSO | 30 | 50 | 91.3 |
| Southern Water | River Medway | BERENGRAVE/CHALKY BK GILLINGHAM CS0 | 18 | 45 | 95.2 |
| Southern Water | River Medway | CSO AT STATION ROAD - FOREST ROW | 14 | 38 | 48.6 |
| Southern Water | River Medway | WILLIAM STREET RAINHAM CSO | 21 | 29 | 100 |
| Southern Water | River Medway | HAWTHORNE AVENUE GILLINGHAM CSO | 22 | 24 | 85.6 |
| Southern Water | River Medway | HARTLAKE ROAD PUMPING STATION | 5 | 19 | 97.3 |
| Southern Water | River Medway | BRIELLE WAY WEST MINSTER CEO | 4 | 11 | 100 |
| Southern Water | River Medway | LOWER TWYDALL LANE GILLINGHAM CSO | 15 | 5 | 100 |
| Southern Water | River Medway | CSO AT GODDINGTON ROAD STROOD | 13 | 5 | 79.9 |
| Southern Water | River Medway | MAIDA ROAD CHATHAM CSO | 10 | 4 | 98.8 |
| Southern Water | River Medway | SOUTH STREET EAST BARMING CEO | 3 | 2 | 100 |
| Southern Water | River Medway | RIDGEWAY BANKS CHATHAM CSO | 4 | 2 | 69.6 |
| Southern Water | River Medway | HERNE ROAD GILLINGHAM CSO | 7 | 1 | 100 |
| Southern Water | River Medway | FERNDALE ROAD GILLINGHAM CSO | 3 | 0 | 99.6 |
| Southern Water | River Medway | NORTH FARM ROAD TONBRIDGE WELLS CSO | 1 | 0 | 99 |
| Southern Water | River Medway | BARKER ROAD MAIDSTONE CSO | 1 | 0 | 99.5 |
| Southern Water | River Medway | CASTLE HILL ROCHESTER CSO | 1 | 0 | 62.4 |
| Southern Water | River Medway | CONCORD AVENUE CHATHAM CSO | 0 | 0 | 50.5 |
| Southern Water | River Medway | HIGH STREET RAINHAM CSO | 0 | 0 | 75.8 |
| Southern Water | River Medway | PLANTATION ROAD GILLINGHAM CSO | 0 | 0 | 96.8 |
| Southern Water | River Medway | BOXLEY ROAD MAIDSTONE CSO | 0 | 0 | 73.9 |
| Southern Water | River Medway | DITTON WWTW | 0 | 0 | 100 |
| Southern Water | River Medway | KNIGHTRIDER STREET CSO | 0 | 0 | 48.5 |
| Southern Water | River Medway | SANDLING LANE MAIDSTONE CSO | 0 | 0 | 48.85 |
| Southern Water | River Medway | TOVIL WHARF WASTEWATER PS | 0 | 0 | 100 |
| Southern Water | River Medway | NORTH HALLING WWPS | 0 | 0 | 100 |
| Southern Water | River Medway | ROCHESTER AVENUE ROCHESTER CSO | 0 | 0 | 99.6 |
| Southern Water | River Medway | CHAFFORD LANE FORDCOMBE CEO | 0 | 0 | 100 |
| Southern Water | River Medway | ENFIELD ROAD LEIGH WPS | 0 | 0 | 100 |
| Southern Water | River Medway | LEIGH ROAD HILDENBOROUGH CSO | 0 | 0 | 75.6 |
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