Top of the Poops | Constituency Sewage Map | Chingford and Woodford Green

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Live data for Chingford and Woodford Green in 2026

So far this year (as of 15 Apr 2026, 05:00) there has been 756 hours of sewage overflows, from 35 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for Chingford and Woodford Green in 2025

8 Sites polluted by Thames Water

201 sewage dumps

393 hours duration

That's 2.34 weeks. 3.9 times a week, on average

Change Over Time

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Constituencies near Chingford and Woodford Green

Waterways in Chingford and Woodford Green

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Chingford and Woodford Green 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	To River Roding	RAY LODGE ROAD	56	183	100
Thames Water	Ching Brook	BEECH HALL CRESCENT CSO	43	103	100
Thames Water	Wells Brook	PROSPECT ROAD CSO,	32	69	100
Thames Water	Roding	CHIGWELL ROAD, WOODFORD GREEN	48	21	95.99
Thames Water	River Roding	WORCESTER CRESCENT CSO	10	8	86.4
Thames Water	River Roding	CSO AT HIGH ROAD	9	6	100
Thames Water	River Roding	HILLSIDE AVENUE CSO	2	1	96.6
Thames Water	River Roding	KINGS AVENUE CSO	1	0	100
Thames Water	Lee	Chingford Storm Tanks	0	0	100
Thames Water	To River Roding	THE BROADWAY	0	0	99.9

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.

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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