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

Constituency

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, 12:00 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

Take Action

Your local MP is Roz Savage (Liberal Democrat) - Find out more about their interests, donors, and voting at They Work For You

Constituencies near South Cotswolds

Waterways in South Cotswolds

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.

Analysing sewage pollution by the Water Industry

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