North West Essex was polluted by sewage 330 times in 2023
lasting 2,601 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 North West Essex in 2023

17 Sites polluted by Anglian Water, Thames Water

330 sewage dumps
2,601 h duration

That's 3.61 months. 6.3 times a week, on average

Change Over Time

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Constituencies near North West Essex

Waterways in North West Essex

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 North West Essex 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 3 of the total 24 CSO locations had reporting enabled for less than half the year, of which 3 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Anglian Water	River Chelmer	GREAT EASTON(ESSEX) STW	106	1,341	100
Anglian Water	River Chelmer	GREAT DUNMOW STW	42	392	100
Thames Water	River Stort	STANSTED MOUNTFITCHET WWTW	35	325	97.5
Anglian Water	River Chelmer	GT EASTON - BRIDGEFOOT TPS	29	292	100
Thames Water	River Roding	LEADEN RODING WWTW	14	93	100
Anglian Water	River Chelmer	THAXTED - PARK STREET CSO	38	52	99.2
Anglian Water	Straw Brook	CHATHAM GREEN PUMPING STATION	5	34	100
Anglian Water	R Chelmer	PLESHEY - FORD END PUMPING STATION	2	19	100
Anglian Water	Slade River	SAFFRON WALDEN WRC	27	16	99.85
Anglian Water	River Chelmer	GREAT WALTHAM - HOWE STREET PS	2	12	100
Anglian Water	Wicken Water	WICKEN BONHUNT PS	2	9	100
Anglian Water	Slade	CASTLE STREET/HIGH STREET	17	6	94.7
Anglian Water	R Cam	LITTLE CHESTERFORD	3	5	100
Anglian Water	Slade River Cam	SAFFRON WALDEN-GEORGE ABBEY OV	4	1	100
Anglian Water	Slade	THAXTED ROAD/VICTORIA AVE CSO	2	0	100
Anglian Water	River Cam	GREAT CHESTERFORD WRC	1	0	100
Anglian Water	River Wid	WRITTLE - LAWFORD LANE PS	1	0	100
Anglian Water	River Chelmer	GREAT DUNMOW STW	0	0	100
Thames Water	Great Hallingbury Brook	Birchanger - Duck End	0	0	99.8
Thames Water	Wayletts Ditch	Takeley - Garnets	0	0	97.9
Thames Water	Roding	Canfield End, Little Canfield	0	0	88.3
Anglian Water	.	MILL GREEN FREYNING	0	0	0
Thames Water	Pincey Brook	Stansted Airport	0	0	0
Anglian Water	Slade	SO GASWORKS CROSSROADS	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:

Media Queries

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