Kingston upon Thames

Polluted by sewage 40 times in 2024 lasting 220 hours

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Totals for Kingston upon Thames in 2024

5 Sites polluted by Thames Water

40 sewage dumps

220 hours duration

That's 9.17 days. 3.3 times a month, over the year

Change Over Time

Waterways in Kingston upon Thames

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Pollution Summary 2024

Here are all the reported sewage overflow totals for Kingston upon Thames 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 locality 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	Hogsmill River	HOGSMILL A WWTW	24	193	93.8
Thames Water	Old Pyl Ditch	Westway Close	3	12	100
Thames Water	River Thames	CSO AT PORTSMOUTH/UXBRIDGE ROAD	6	6	99.6
Thames Water	Hogsmill River	CSO AT ST JAMES'S ROAD	5	4	100
Thames Water	Beverley Brook	Road A3, Roehampton Vale	2	3	96
Thames Water	Thames	Kingston Main	0	0	100

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

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.

Top of the Poops

Analysing sewage pollution by the Water Industry

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