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Runnymede and Weybridge was polluted by sewage 198 times in 2023
lasting 2,792 hours
- but monitoring was disabled in some locations, so could be more

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Constituency

✔ means we have experimental daily data since 2023

Totals for Runnymede and Weybridge in 2023

5 Sites polluted by Thames Water

198 sewage dumps
2,792 h duration

That's 3.88 months. 3.8 times a week, on average

Change Over Time

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Constituencies near Runnymede and Weybridge

Waterways in Runnymede and Weybridge

Daily Data Since 2023

Monitoring Online Monitoring Offline Polluting Potentially Polluting Unknown

Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.

Pollution Summary 2023

Here are all the reported sewage overflow totals for Runnymede and Weybridge in 2023. 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 2 of the total 7 CSO locations had reporting enabled for less than half the year, of which 2 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Thames Water	Bourne	CHERTSEY STW, LYNE LANE, CHERTSEY,	67	1,141	99.6
Thames Water	River Wey	WEYBRIDGE WWTW	81	1,120	99.7
Thames Water	Mole	Cobham Bridge, Adj Cobham Ps	40	479	99.8
Thames Water	Rive Ditch	SURFACE WATER SEWER	8	40	77.6
Thames Water	River Mole	SWS, STOKE ROAD, COBHAM, SURREY	2	9	100
Thames Water	Mole	SURFACE WATER-SEWER	0	0	0
Thames Water	River Mole	COBHAM PUMPING STATION, BRIDGE WAY	0	0	0

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. 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.

Analysing sewage pollution by the Water Industry

With generous support from:

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