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Polluted by sewage 794 times in 2024 lasting 7,112 hours
So far this year (as of May 9, 2025, 5:00 AM) there has been 2,358 hours of sewage overflows
Your local MP is Thomas Tugendhat (Conservative) - Find out more about their interests, donors, and voting at They Work For You
We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Tonbridge, here you can see overflows in red, the darker the red, the more the CSO overflowed that day.
Each CSO has a row, the most recent data is on the right hand side.
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Donate NowHere are all the reported sewage overflow totals for Tonbridge in 2024. 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 CSOs appeared to have monitoring enabled for more than 50% of the year
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Southern Water | Somerhill Stream | PRIORY MILL TONBRIDGE WPS | 101 | 1,387 | 94.5 |
| Southern Water | Hilden Brook | COLDHARBOUR LANE PUMPING STATION | 89 | 1,210 | 99.2 |
| Southern Water | River Medway | PENSHURST S.T.W. | 100 | 793 | 99.7 |
| Southern Water | River Eden | EDENBRIDGE WWTW | 67 | 782 | 98.8 |
| Southern Water | River Medway | CANNON LANE COMBINED SEWER OVERFLOW | 72 | 552 | 100 |
| Southern Water | Botany Stream | TONBRIDGE WWTW | 35 | 471 | 98.2 |
| Southern Water | River Medway | FORDCOMBE WASTEWATER TREATMENT WRKS | 50 | 277 | 99.2 |
| Southern Water | Botany Stream | PRIORY ROAD TONBRIDGE O/S 86 CSO | 55 | 263 | 99.8 |
| Southern Water | River Bourne | REEDS LANE, SHIPBOURNE CEO | 29 | 238 | 99.9 |
| Southern Water | River Medway | HILDEN PARK PUMPING STATION | 44 | 225 | 99.9 |
| Southern Water | Unnamed Dicth/Stream | EGGPIE LANE LEIGH CSO | 41 | 204 | 100 |
| Southern Water | Mill Stream | MILL STREAM, TONBRIDGE CSO | 21 | 199 | 93.9 |
| Southern Water | Hilden Brook | HAWDEN ROAD TONBRIDGE CSO | 19 | 126 | 60.6 |
| Southern Water | River Bourne | BOURNE BRIDGE CSO | 19 | 113 | 99.8 |
| Southern Water | Hilden Brook | HILDEN BRIDGE PUMPING STATION | 13 | 106 | 100 |
| Southern Water | Little Hawden Stream | CHARCOTT PLACE CEO | 13 | 68 | 99.7 |
| Southern Water | Freshwater River | CHIDDINGSTONE CAUSEWAY PUMPING STN | 12 | 45 | 100 |
| Southern Water | River Medway | HARTLAKE ROAD PUMPING STATION | 11 | 38 | 99.8 |
| Southern Water | River Medway | CHAFFORD LANE FORDCOMBE CEO | 3 | 7 | 99.9 |
| Southern Water | River Medway | ENFIELD ROAD LEIGH WPS | 0 | 0 | 100 |
| Southern Water | River Medway | LEIGH ROAD HILDENBOROUGH CSO | 0 | 0 | 90 |
| Southern Water | Hilden Brook | RIDING LANE HILDENBOROUGH CSO | 0 | 0 | 90 |
| Southern Water | Hilden Brook | COLDHARBOUR LANE CSO | 0 | 0 | 67.6 |
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. This 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