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Polluted by sewage 438 times in 2025 lasting 3,185 hours
Monitoring fell below 50% in some locations so could be more
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Donate NowHere are all the reported sewage overflow totals for Tonbridge 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 1 of the total 23 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway locations had reporting enabled for less than half the year.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Southern Water | Somerhill Stream | PRIORY MILL TONBRIDGE WPS | 53 | 611 | 92.9 |
| Southern Water | Hilden Brook | COLDHARBOUR LANE PUMPING STATION | 44 | 520 | 99.9 |
| Southern Water | River Eden | EDENBRIDGE WWTW | 48 | 415 | 97.5 |
| Southern Water | River Medway | PENSHURST S.T.W. | 61 | 350 | 99.9 |
| Southern Water | Hilden Brook | COLDHARBOUR LANE CSO | 19 | 232 | 85.7 |
| Southern Water | Botany Stream | TONBRIDGE WWTW | 19 | 201 | 100 |
| Southern Water | River Medway | CANNON LANE COMBINED SEWER OVERFLOW | 40 | 194 | 100 |
| Southern Water | River Medway | FORDCOMBE WASTEWATER TREATMENT WRKS | 21 | 98 | 97.7 |
| Southern Water | Unnamed Dicth/Stream | EGGPIE LANE LEIGH CSO | 21 | 92 | 98.3 |
| Southern Water | River Bourne | REEDS LANE, SHIPBOURNE CEO | 13 | 89 | 90.3 |
| Southern Water | Botany Stream | PRIORY ROAD TONBRIDGE O/S 86 CSO | 30 | 86 | 97.6 |
| Southern Water | River Medway | HILDEN PARK PUMPING STATION | 19 | 73 | 100 |
| Southern Water | Mill Stream | MILL STREAM, TONBRIDGE CSO | 12 | 63 | 100 |
| Southern Water | Hilden Brook | HILDEN BRIDGE PUMPING STATION | 7 | 61 | 100 |
| Southern Water | Freshwater River | CHIDDINGSTONE CAUSEWAY PUMPING STN | 6 | 25 | 100 |
| Southern Water | Little Hawden Stream | CHARCOTT PLACE CEO | 8 | 22 | 96.8 |
| Southern Water | River Medway | HARTLAKE ROAD PUMPING STATION | 5 | 19 | 97.3 |
| Southern Water | Hilden Brook | HAWDEN ROAD TONBRIDGE CSO | 4 | 16 | 18.9 |
| Southern Water | Hilden Brook | RIDING LANE HILDENBOROUGH CSO | 3 | 6 | 97.4 |
| Southern Water | River Bourne | BOURNE BRIDGE CSO | 5 | 4 | 100 |
| 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.
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Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org