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Polluted by sewage 262 times in 2024 lasting 1,307 hours
So far this year (as of Aug 23, 2025, 5:30 AM) there has been 39 hours of sewage overflows
Your local MP is Fleur Anderson (Labour) - 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 Putney, 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 Putney 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 % |
|---|---|---|---|---|---|
| Thames Water | River Thames | PUTNEY BRIDGE STREET, LONDON | 127 | 853 | 90.5 |
| Thames Water | Wandle | Bell Lane Creek | 49 | 172 | 99.8 |
| Thames Water | Thames Tidal | WANDSWORTH, LONDON SW11 | 36 | 169 | 95.7 |
| Thames Water | Bell Lane Creek | Frogmore Storm | 31 | 78 | 95.7 |
| Thames Water | Beverley Brook | PRIORY LANE, MORTLAKE CSO | 9 | 16 | 91.8 |
| Thames Water | River Thames | WANDLE VALLEY, LONDON | 2 | 5 | 100 |
| Thames Water | River Wandle | CSO AT MAPLETON ROAD/BRATHWAY ROAD | 4 | 4 | 100 |
| Thames Water | Beverley Brook | Road A3, Roehampton Vale | 2 | 3 | 96 |
| Thames Water | River Wandle | CSO AT DUNTSHILL ROAD | 1 | 2 | 100 |
| Thames Water | River Wandle | CSO AT PENWITH ROAD | 1 | 1 | 80.1 |
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