North East Somerset and Hanham was polluted by sewage 2,491 times in 2024
lasting 23,861 hours - that's 2.76 years!

Constituency

Select the constituency from the drop-down

✔ means we have experimental daily data since 2023

Live data for North East Somerset and Hanham in 2025

So far this year (as of Apr 16, 2025, 6:15 PM) there has been 4,778 hours of sewage overflows - that's 0.55 years!

Totals for North East Somerset and Hanham in 2024

45 Sites polluted by Wessex Water

2,491 sewage dumps
23,861 h duration

That's 2.76 years! On average 6.8 times a day

Change Over Time

Take Action

Your local MP is Dan Norris (Labour) - Find out more about their interests, donors, and voting at They Work For You

Constituencies near North East Somerset and Hanham

Waterways in North East Somerset and Hanham

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for North East Somerset and Hanham, here you can see overflows in red, the darker the red, the more the CSO overflowed that day.

Each CSO has a row, the most recent data is on the right hand side.

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 2024

Here are all the reported sewage overflow totals for North East Somerset and Hanham 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 constituency 0 of the total 46 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 %
Wessex Water	River Chew	CHEW STOKE WATEWATER TREATMENT WORK	258	4,641	100
Wessex Water	River Chew	EAST HARPTREE WRC	141	2,250	99.9
Wessex Water	Congresbury Yeo, Lake	UBLEY WATER RECYCLING CENTRE	108	2,127	100
Wessex Water	Winford Brook	BATTLE LANE CSO	107	1,741	100
Wessex Water	Cam Brook	PAULTON WASTEWATER TREATMENT WORKS	99	1,607	100
Wessex Water	River Avon	BATH (SALTFORD) WRC	98	1,549	99.8
Wessex Water	River Chew	COMPTON DANDO SEWAGE PUMPING STATIO	82	1,273	100
Wessex Water	Conygre Brook	FARMBOROUGH WWTW	75	1,224	100
Wessex Water	Bathford Brook	COMPTON DANDO WWTW	113	1,181	100
Wessex Water	River Avon	KEYNSHAM WASTEWATER TREATMENT WORKS	75	969	100
Wessex Water	River Chew	STANTON DREW WRC	41	712	99.6
Wessex Water	River Avon	WILLSBRIDGE COMBINED SEWER OVERFLOW	79	591	100
Wessex Water	Cam Brook	GOOSARD BRIDGE PS	63	373	100
Wessex Water	River Chew	KEYNSHAM LOW LEVEL PUMPING STATION	38	345	100
Wessex Water	Cam Brook	TEMPLE BRIDGE PUMPING STATION	47	339	100
Wessex Water	River Chew	CHEW MAGNA PS	71	318	100
Wessex Water	River Boyd	CHURCH ROAD PUMPING STATION	26	296	100
Wessex Water	Corston Brook	CORSTON PUMPING STATION	52	252	100
Wessex Water	River Chew	KEYNSHAM HIGH LEVEL PS	61	204	100
Wessex Water	River Chew	BISHOP SUTTON PUMPING STATION	77	184	100
Wessex Water	River Avon Via Sws	MEAD LANE PUMPING STATION	13	182	100
Wessex Water	Cam Brook	HINTON BLEWETT WRC	45	175	99.7
Wessex Water	Cam Brook	CLUTTON PS	32	163	100
Wessex Water	Cam Brook	RADFORD HILL CSO	51	157	100
Wessex Water	River Avon	POLLY BARNES HILL CSO	69	154	100
Wessex Water	Cam Brook	BRISTOL ROAD CSO	38	143	100
Wessex Water	River Avon	THE HAMS PUMPING STATION	103	122	99.8
Wessex Water	Siston Brook Via Sws	HILL STREET COMBINED SEWER OVERFLOW	52	114	96.7
Wessex Water	R Avon Via S/Water Sewer	SALTFORD HIGH STREET CSO	57	91	99.6
Wessex Water	River Chew	CHEW STOKE PUMPING STATION	50	63	100
Wessex Water	Cam Brook	HALLATROW S P STN	24	59	100
Wessex Water	River Avon	BATH ROAD CSO	39	50	99.8
Wessex Water	River Avon	LOWER HANHAM ROAD CSO	40	43	93.5
Wessex Water	Cam Brook	MAYPOLE FARM CSO	26	28	99.8
Wessex Water	River Avon	BEECHWOOD AVENUE CSO	32	25	99.8
Wessex Water	Charlton Bottom Via Sws	CHARLTON ROAD CSO	16	23	100
Wessex Water	River Avon Via Sws	WICKHOUSE FARM CSO	5	19	99.3
Wessex Water	River Avon	ANSTEY'S RD CSO	22	16	100
Wessex Water	Charlton Bottom Via Sws	BRISTOL ROAD CSO	30	13	100
Wessex Water	River Avon Via Sws	CENTRAL AVENUE COMBINED SEWER OF	20	9	99.5
Wessex Water	River Chew	STANTON DREW PUMPING STATION	5	8	100
Wessex Water	Siston Brook	ULLSWATER CLOSE PUMPING STATION	1	5	100
Wessex Water	Siston Brook	WILLSBRIDGE PUMPING STATION	1	3	99.9
Wessex Water	River Avon	FOOTSHILL ROAD CSO	7	1	94.2
Wessex Water	Siston Brook	MILL LANE COMBINED SEWER OVERFLOW	2	1	99.3
Wessex Water	River Avon	HANHAM HIGH STREET CSO	0	0	99

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

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