Brentwood and Ongar was polluted by sewage 773 times in 2023
lasting 9,675 hours - that's 1.12 years!

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Constituency

✔ means we have experimental daily data since 2023

Totals for Brentwood and Ongar in 2023

16 Sites polluted by Anglian Water, Thames Water

773 sewage dumps
9,675 h duration

That's 1.12 years! On average 2.1 times a day

Change Over Time

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Constituencies near Brentwood and Ongar

Waterways in Brentwood and Ongar

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 Brentwood and Ongar 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 0 of the total 18 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Thames Water	River Cherwell	WILLINGALE WWTW	133	2,213	100
Thames Water	Northweald Brook	NORTH WEALD STW, NORTH WEALD, ESSEX	94	1,349	100
Thames Water	Coopers Brook	ABBESS RODING WWTW	73	1,200	98.8
Thames Water	Brookhouse Brook	Theydon Bois	115	1,158	97.6
Thames Water	Brookhouse Brook	EPPING WASTEWATER TREATMENT WORKS	71	1,020	95.7
Anglian Water	River Wid	INGATESTONE WATER RECYCLING CENTRE	73	678	100
Anglian Water	River Wid	DODDINGHURST WRC	62	566	100
Thames Water	River Ingrebourne	BRENTWOOD (NAGS HEAD LANE) WWTW	45	529	99.9
Thames Water	Colville Hall Brook	HULL GREEN (MATCHING) SPS	27	420	100
Anglian Water	River Wid	SHENFIELD AND HUTTON WRC	12	179	100
Thames Water	Cripsey Brook	Wealdbridge, North Weald	19	156	74.4
Anglian Water	Haveringsgrove Brook	INGRAVE PUMPING STATION	12	92	100
Anglian Water	River Wid	DODDINGHURST STW	22	62	100
Anglian Water	Mardyke Thames Estuary	WARLEY WEST PS	10	30	100
Anglian Water	River Wid	SHENFIELD STW NO 2 PS	3	13	100
Anglian Water	River Wid	B'MORE THE GREEN INGATESTONE RD PS	2	4	100
Anglian Water	R Wid	SO AT SHENFIELD SEWER	0	0	100
Anglian Water	Mardyke W Thames Est	WARLEY EAST PS	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. 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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