South West Wiltshire was polluted by sewage 1,255 times in 2023
lasting 8,533 hours

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Constituency

✔ means we have experimental daily data since 2023

Totals for South West Wiltshire in 2023

36 Sites polluted by Wessex Water

1,255 sewage dumps
8,533 h duration

That's 11.85 months. On average 3.4 times a day

Change Over Time

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Constituencies near South West Wiltshire

Waterways in South West Wiltshire

Pollution Summary 2023

Here are all the reported sewage overflow totals for South West Wiltshire 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 41 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	Fovant Brook	FOVANT WATER RECYCLING CENTRE	139	1,707	100
Wessex Water	Lam Brook Stream	CHURCH LANE FARM PS	83	1,081	97
Wessex Water	Groundwater Via Infilt System	HINDON WASTEWATER TREATMENT WORKS	113	1,017	87.5
Wessex Water	Bitham Brook/ Bitham Brook	WESTBURY WATER RECYCLING CENTRE	75	787	100
Wessex Water	Fairbourne Stream	DILTON MARSH STW	72	616	100
Wessex Water	Shreen Water	CLEMENTS LANE COMBINED SEWER OF	54	442	99.8
Wessex Water	Shreen Water	MERE WATER RECYCLING CENTRE	53	381	99.9
Wessex Water	Buckington Drove	TINHEAD	54	276	100
Wessex Water	Semmington Brook	WICKLEASE PUMPING STATION	21	265	99.6
Wessex Water	River Wylye	WARMINSTER WWTW	38	252	100
Wessex Water	Semington Brook	COULSTON PUMPING STATION	28	196	99.8
Wessex Water	Groundwater Via Infilt System	MAIDEN BRADLEY WWTW	91	195	100
Wessex Water	River Nadder	BARFORD ST MARTIN PUMPING STATION	11	183	100
Wessex Water	River Biss Via Sws	LADYDOWN MILL COMBINED SEWER OF	32	159	99.8
Wessex Water	Were Via Sws	CALVESWATER PUMPING STATION	45	141	100
Wessex Water	F/E-River Avon, Cso-River Biss	TROWBRIDGE WASTEWATER TRTMNT WORKS	17	125	100
Wessex Water	Lambrok Stream	CHANTRY GARDENS PS	17	115	100
Wessex Water	River Wyle Via Were	LAKE PLEASURE GARDENS CSO	75	100	100
Wessex Water	Shreen Water	MERE COMBINED SEWER OVERFLOW	68	86	98.1
Wessex Water	Semington Brook	GREAT HINTON PUMPING STATION	13	84	57.4
Wessex Water	River Nadder	HINDON PUMPING STATION	14	73	96.1
Wessex Water	River Nadder Via Sws	TISBURY COMBINED SEWER OVERFLOW	52	68	100
Wessex Water	Semington Brook	KEEVIL PUMPING STATION	7	66	100
Wessex Water	Bitham Brook	BRATTON-TROWBRIDGE ROAD PS	15	58	100
Wessex Water	Allebourne Brook	DILTON MARSH CSO	21	18	100
Wessex Water	River Sem	SEMLEY WATER RECYCLING CENTRE	15	17	100
Wessex Water	Shreen Water	TALBOT COTTAGE CSO	9	3	99.5
Wessex Water	Shreen Water	HAZZARDS HILL CSO	6	3	100
Wessex Water	Rodden Brook	DIVERS BRIDGE PUMPING STATION	1	2	100
Wessex Water	Biss Brook	PENN KNAPP PS	1	1	100
Wessex Water	River Frome	MAIDEN BRADLEY CSO	6	1	63.9
Wessex Water	Bitham Brook	ALFRED STREET CSO	4	0	100
Wessex Water	River Biss Via Sws	STALLARD STREET CSO	1	0	99.9
Wessex Water	Paxcroft Brook Via Sws	POLEBARN ROAD CSO	1	0	100
Wessex Water	Bitham Brook Via Sws	WEST END COMBINED SEWER OVERFLOW	2	0	95.2
Wessex Water	River Biss	6 WICKER HILL CSO	1	0	100
Wessex Water	River Biss Via Sws	SHIRES CAR PARK CSO	0	0	99.9
Wessex Water	Ditch	CHILMARK PUMPING STATION	0	0	100
Wessex Water	Biss Brook	CHURCHLANDS PUMPING STATION	0	0	100
Wessex Water	River Wylye	MONKTON DEVERILL WRC	0	0	81.5
Wessex Water	Were	GEORGE STREET CSO	0	0	99.9

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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