Wigan was polluted by sewage 1,183 times in 2023
lasting 4,580 hours
- but monitoring was disabled in some locations, so could be more

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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 Wigan in 2023
19 Sites polluted by United Utilities
1,183 sewage dumps
4,580 h duration
That's 6.36 months. On average 3.2 times a day
Change Over Time
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Pollution Summary 2023

Here are all the reported sewage overflow totals for Wigan 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 3 of the total 24 CSO locations had reporting enabled for less than half the year, of which 3 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
United Utilities Of Ince Brook Via Sws ST MARY'S ROAD CSO 161 1,052 99.6
United Utilities Close Brook R Douglas CLOSE BROOK CSO 75 708 95.1
United Utilities Close Brook GREENWOOD AVENUE CSO 88 694 100
United Utilities Ackhurst Brook R Douglas IRVINES FARM CSO 108 413 98.7
United Utilities Bradley Brook BRADLEY LANE, M.H.830 103 340 71.3
United Utilities River Douglas CENTRAL PARK CSO 50090 104 340 92.3
United Utilities Mill Brook WIGAN ROAD CSO 50087 91 238 94.9
United Utilities River Douglas CHORLEY RD, M.H. E36 75 186 100
United Utilities River Douglas GOWER STREET CSO 50126 68 169 100
United Utilities River Douglas GATHURST LANE SHEVINGTON CSO 55 94 100
United Utilities Poolstock Brook REAR OF 125 BAKER STREET CSO 36 72 100
United Utilities River Douglas GATHURST LANE SHEVINGTON CSO 56 72 100
United Utilities Mill Brook ARBOUR LANE PUMPING STATION 29 69 100
United Utilities Yellow Brook HOLLY STREET/NEW SPRINGS CSO 31 68 100
United Utilities River Douglas Via Sws BRADSHAW STREET CSO 44 31 100
United Utilities River Douglas Via Sws SPRINGFIELD ROAD CSO 27 9 100
United Utilities River Douglas Via Sws CHESTNUT ROAD CSO 23 8 100
United Utilities Billy Pit Brook Lpool Canal BEECH HILL LANE CSO 50089 4 4 85
United Utilities Borsdane Brook OLD FOLD ROAD CSO 5 3 100
United Utilities River Douglas ORMSKIRK ROAD/FRANCE STREET CSO 0 0 98.3
United Utilities River Douglas Via Sws SOUTH OF BALL STREET CSO 0 0 100
United Utilities Clarington Brook WESTMOORLAND STREET/SCHOLES CSO 0 0 0
United Utilities Culverted River Douglas LYNTON AVENUE CSO 0 0 0
United Utilities River Douglas NW JCT WOODHOUSE LANE 0 0 0

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.