South Cotswolds was polluted by sewage 3,162 times in 2024
lasting 41,486 hours - that's 4.8 years!

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
Select the constituency from the drop-down
✔ means we have experimental daily data since 2023
Live data for South Cotswolds in 2025
So far this year (as of Apr 11, 2025, 5:45 PM) there has been 7,912 hours of sewage overflows - that's 0.92 years!
Totals for South Cotswolds in 2024
45 Sites polluted by Severn Trent Water, Thames Water, Wessex Water
3,162 sewage dumps
41,486 h duration
That's 4.8 years! On average 8.7 times a day
Change Over Time
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Daily Data
We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for South Cotswolds, 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 South Cotswolds 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 48 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 Shorncote Ditch CIRENCESTER WWTW 236 4,459 100
Thames Water River Coln FAIRFORD STW, FAIRFORD, GLOS 202 4,332 100
Thames Water Ampney Brook AMPNEY ST PETER WWTW 147 3,103 97.4
Wessex Water River Avon TETBURY WASTE WATER TREATMENT WORKS 186 2,698 100
Wessex Water Gauze Brook HULLAVINGTON WWTW 136 2,522 99.95
Thames Water Leach LECHLADE STW 128 2,365 100
Wessex Water Bristol Avon SUTTON BENGER WWTW 134 2,350 100
Wessex Water River Avon DIDMARTON WATER RECYCLING CENTRE 84 1,768 99.6
Thames Water River Thames CRICKLADE WWTW 107 1,378 100
Wessex Water By Brook LONG DEAN WASTEWATER TREATMENT WORK 88 1,235 99.8
Wessex Water Unnamed Braydon HANKERTON SEWAGE PUMPING STATION, W 65 1,073 100
Wessex Water Byde Mill Brook/River Avon THINGLEY WATER RECYCLING CENTRE 77 1,071 100
Wessex Water River Avon MALMESBURY WWTW 80 983 99.7
Severn Trent Water Nailsworth Stream AVENING STW 154 975 100
Wessex Water Charlton Stream TANNERS BRIDGE PUMPING STATION 71 937 100
Wessex Water River Avon KINGTON LANGLEY PUMPING STATION 64 916 100
Wessex Water River Avon GREAT SOMERFORD WWTW 95 819 100
Wessex Water Pudding Brook MANOR COTTAGES PUMPING STATION 99 773 100
Wessex Water River Avon NOAH'S ARK PUMPING STATION 49 745 100
Wessex Water Gauze Brook MILL LANE COMBINED SEWER OVERFLOW 52 706 99.8
Thames Water River Thames HATCHETTS SPS 56 698 99.5
Wessex Water Luckington Brook LUCKINGTON WATER RECYCLING CENTRE 45 666 99.7
Wessex Water Brinkworth Brook BRINKWORTH WWTW 60 644 99.9
Wessex Water Braydon Brook FLISTERIDGE PS 48 635 97.6
Thames Water River Key PURTON STW, PURTON, SWINDON, WILTS 53 627 99.6
Wessex Water Woodbridge Brook LEA NORTH PUMPING STATION 48 544 97.4
Wessex Water Derry Brook STATION ROAD SEWAGE PUMPING STATION 45 338 100
Wessex Water Little Avon WICKWAR WATER RECYCLING CENTRE 55 291 99.7
Wessex Water River Avon ST JOHNS STREET PUMPING STATION 65 283 100
Wessex Water Dauntsey Brook THE GREEN PS 34 204 100
Wessex Water Rodbourne Brook LOWER STANTON ST QUINTIN WW PS 45 203 99.7
Wessex Water River Avon RAF HULLAVINGTON PS 16 191 96.7
Wessex Water Sherston Avon ST. JOHNS BRIDGE CSO 43 174 99.4
Wessex Water Bourne SWALLETT GATE PUMPING STATION 56 173 98.6
Wessex Water Avon SHERSTON WASTEWATER TREATMENT WORKS 25 139 100
Wessex Water Burton Brook BURTON WASTEWATER TREATMENT WORKS 18 128 100
Thames Water Dudgrove Stream KEMPSFORD STW, KEMPSFORD, FAIRFORD, 8 96 100
Wessex Water River Avon HARPERS LANE CSO 16 65 92.3
Wessex Water River Avon PARK ROAD COMBINED SEWER OVERFLOW 36 41 99.1
Wessex Water Luckington Brook ALDERTON STW 4 26 100
Wessex Water River Avon LAWNWOOD COMBINED SEWER OVERFLOW 29 23 99.8
Wessex Water River Avon PARLIAMENT ROW CSO 20 18 99.7
Wessex Water Sherston Avon FOXLEY ROAD COMBINED SEWER OVERFLOW 40 17 99.2
Wessex Water River Avon THE TARTERS CSO 39 16 99.1
Wessex Water River Avon BURTON HILL PS 4 14 99.5
Wessex Water River Avon SPRINGFIELDS PUMPING STATION 0 0 100
Wessex Water River Avon CHURCH ROAD PUMPING STATION 0 0 99.5
Wessex Water Woodbridge Brook BRINKWORTH CSO 0 0 97.7

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.