South West Wiltshire was polluted by sewage 759 times in 2023
lasting 3,771 hours

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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 South West Wiltshire in 2023
25 Sites polluted by Wessex Water
759 sewage dumps
3,771 h duration
That's 5.24 months. On average 2.1 times a day
Change Over Time
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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 29 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 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 River Wylye WARMINSTER WWTW 38 252 100
Wessex Water Groundwater Via Infilt System MAIDEN BRADLEY WWTW 91 195 100
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 Bitham Brook BRATTON-TROWBRIDGE ROAD PS 15 58 100
Wessex Water Allebourne Brook DILTON MARSH CSO 21 18 100
Wessex Water Shreen Water HAZZARDS HILL CSO 6 3 100
Wessex Water Shreen Water TALBOT COTTAGE CSO 9 3 99.5
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 Biss Brook CHURCHLANDS PUMPING STATION 0 0 100
Wessex Water Were GEORGE STREET CSO 0 0 99.9
Wessex Water River Wylye MONKTON DEVERILL WRC 0 0 81.5

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.