Top of the Poops | Constituency Sewage Map | Putney

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Live data for Putney in 2026

So far this year (as of 15 Sept 2026, 07:15) there has been 11 hours of sewage overflows, from 17 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Sewage without rain in Putney

On 2 occasions since December 2024, no rain fell anywhere in Putney for days — and its CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s discharged anyway.

11 May 2026 1 at once · 1h 5 Mar 2025 1 at once · 0h

Totals for Putney in 2025

7 Sites polluted by Thames Water

14 sewage dumps

63 hours duration

That's 2.62 days. 1.2 times a month, over the year

Change Over Time

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Sewage pollution map of Putney: 14 spills in 2025, lasting 63 hours, by Thames Water

Sewage pollution map of Putney: 14 spills in 2025, lasting 63 hours, by Thames Water

Constituencies near Putney

Waterways in Putney

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Putney 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 %
Thames Water	Thames Tidal	WANDSWORTH, LONDON SW11	4	20	99.9
Thames Water	River Thames	PUTNEY BRIDGE STREET, LONDON	2	15	95.7
Thames Water	Bell Lane Creek	Frogmore Storm	2	13	100
Thames Water	Beverley Brook	PRIORY LANE, MORTLAKE CSO	3	7	87.8
Thames Water	River Wandle	CSO AT DUNTSHILL ROAD	1	4	100
Thames Water	Wandle	Bell Lane Creek	1	1	99.4
Thames Water	River Wandle	CSO AT MAPLETON ROAD/BRATHWAY ROAD	1	0	100
Thames Water	River Wandle	CSO AT PENWITH ROAD	0	0	100
Thames Water	Beverley Brook	Road A3, Roehampton Vale	0	0	89.5
Thames Water	River Thames	WANDLE VALLEY, LONDON	0	0	94.4

Data Sources & Accuracy

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

Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.

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.

Analysing sewage pollution by the Water Industry

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© 2020-2025 Top-Of-The-Poops CC-BY-SA 4.0,
© Openstreetmap contributors, Contains OS data © Crown copyright and database right 2021-2025,
Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis © 2025 Top-Of-The-Poops

Some data reproduced under Open Government Licence

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