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North East Somerset and Hanham was polluted by sewage 2,381 times in 2023
lasting 21,213 hours - that's 2.46 years!

© OpenStreetMap contributors
Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
✔ means we have experimental daily data since 2023
Totals for North East Somerset and Hanham in 2023
44 Sites polluted by Wessex Water
2,381 sewage dumps
21,213 h duration
That's 2.46 years! On average 6.5 times a day
Change Over Time
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Pollution Summary 2023

Here are all the reported sewage overflow totals for North East Somerset and Hanham 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 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 187 3,572 99.9
Wessex Water River Chew EAST HARPTREE WRC 174 3,230 100
Wessex Water Congresbury Yeo, Lake UBLEY WATER RECYCLING CENTRE 113 2,233 99.2
Wessex Water Cam Brook PAULTON WASTEWATER TREATMENT WORKS 101 1,666 100
Wessex Water Bathford Brook COMPTON DANDO WWTW 133 1,385 100
Wessex Water Conygre Brook FARMBOROUGH WWTW 69 1,144 99.5
Wessex Water River Chew COMPTON DANDO SEWAGE PUMPING STATIO 74 1,103 100
Wessex Water River Avon KEYNSHAM WASTEWATER TREATMENT WORKS 84 963 99.9
Wessex Water River Avon BATH (SALTFORD) WRC 86 909 99.9
Wessex Water River Chew STANTON DREW WRC 38 662 99.8
Wessex Water Winford Brook BATTLE LANE CSO 61 578 100
Wessex Water River Avon WILLSBRIDGE COMBINED SEWER OVERFLOW 80 518 100
Wessex Water Cam Brook TEMPLE BRIDGE PUMPING STATION 55 426 100
Wessex Water Cam Brook GOOSARD BRIDGE PS 62 312 100
Wessex Water Corston Brook CORSTON PUMPING STATION 65 248 100
Wessex Water Cam Brook CLUTTON PS 39 204 98.3
Wessex Water River Chew KEYNSHAM LOW LEVEL PUMPING STATION 27 203 100
Wessex Water River Chew CHEW MAGNA PS 38 197 100
Wessex Water River Chew BISHOP SUTTON PUMPING STATION 76 161 100
Wessex Water River Chew KEYNSHAM HIGH LEVEL PS 56 153 100
Wessex Water River Boyd CHURCH ROAD PUMPING STATION 16 145 99.5
Wessex Water River Avon POLLY BARNES HILL CSO 86 137 100
Wessex Water Cam Brook RADFORD HILL CSO 52 132 100
Wessex Water Cam Brook HINTON BLEWETT WRC 48 125 100
Wessex Water Cam Brook BRISTOL ROAD CSO 41 121 100
Wessex Water Cam Brook HALLATROW S P STN 20 112 100
Wessex Water River Avon Via Sws MEAD LANE PUMPING STATION 10 101 99.9
Wessex Water River Avon THE HAMS PUMPING STATION 95 90 100
Wessex Water R Avon Via S/Water Sewer SALTFORD HIGH STREET CSO 64 85 96.6
Wessex Water River Avon BATH ROAD CSO 65 70 99.9
Wessex Water River Chew CHEW STOKE PUMPING STATION 47 62 100
Wessex Water River Avon BEECHWOOD AVENUE CSO 38 40 99.9
Wessex Water River Avon LOWER HANHAM ROAD CSO 46 35 95.1
Wessex Water Charlton Bottom Via Sws CHARLTON ROAD CSO 11 17 100
Wessex Water River Avon ANSTEY'S RD CSO 26 17 100
Wessex Water Cam Brook MAYPOLE FARM CSO 20 12 99.8
Wessex Water River Chew STANTON DREW PUMPING STATION 6 9 100
Wessex Water River Avon Via Sws CENTRAL AVENUE COMBINED SEWER OF 19 9 99.8
Wessex Water Charlton Bottom Via Sws BRISTOL ROAD CSO 33 7 100
Wessex Water River Avon FOOTSHILL ROAD CSO 9 0 99.8
Wessex Water Siston Brook WILLSBRIDGE PUMPING STATION 2 0 99.1
Wessex Water Siston Brook Via Sws HILL STREET COMBINED SEWER OVERFLOW 6 0 65.6
Wessex Water Siston Brook MILL LANE COMBINED SEWER OVERFLOW 2 0 99.8
Wessex Water River Avon Via Sws WICKHOUSE FARM CSO 1 0 100
Wessex Water Siston Brook ULLSWATER CLOSE PUMPING STATION 0 0 100
Wessex Water River Avon HANHAM HIGH STREET CSO 0 0 99.8

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.