Polluted by sewage 2,491 times in 2024 lasting 23,861 hours - That's 2.76 years!
So far this year (as of Apr 30, 2025, 9:30 AM) there has been 4,731 hours of sewage overflows - that's 0.55 years!
Your local MP is Dan Norris (Labour) - Find out more about their interests, donors, and voting at They Work For You
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.
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Donate NowHere 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 all the declared CSOs appeared to have monitoring enabled for more than 50% of the year
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 |
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.