Wigan was polluted by sewage 814 times in 2024
lasting 2,525 hours

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
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✔ means we have experimental daily data since 2023
Live data for Wigan in 2025
So far this year (as of Apr 16, 2025, 6:00 PM) there has been 528 hours of sewage overflows
Totals for Wigan in 2024
21 Sites polluted by United Utilities
814 sewage dumps
2,525 h duration
That's 3.51 months. On average 2.2 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 Wigan, 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 Wigan 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 24 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 %
United Utilities Of Ince Brook Via Sws ST MARY'S ROAD CSO 151 555 97.9
United Utilities Close Brook R Douglas CLOSE BROOK CSO 31 283 96.8
United Utilities River Douglas CENTRAL PARK CSO 50090 72 271 98.6
United Utilities Mill Brook WIGAN ROAD CSO 50087 81 230 100
United Utilities Ackhurst Brook R Douglas IRVINES FARM CSO 81 219 100
United Utilities River Douglas CHORLEY RD, M.H. E36 67 166 99.1
United Utilities River Douglas GOWER STREET CSO 50126 35 145 99.9
United Utilities Bradley Brook BRADLEY LANE, M.H.830 44 109 97.4
United Utilities Poolstock Brook REAR OF 125 BAKER STREET CSO 29 95 99.1
United Utilities River Douglas GATHURST LANE SHEVINGTON CSO 42 85 100
United Utilities Close Brook GREENWOOD AVENUE CSO 17 76 88.9
United Utilities Yellow Brook HOLLY STREET/NEW SPRINGS CSO 23 69 99.4
United Utilities River Douglas GATHURST LANE SHEVINGTON CSO 46 64 96.3
United Utilities Mill Brook ARBOUR LANE PUMPING STATION 15 57 99.9
United Utilities River Douglas Via Sws BRADSHAW STREET CSO 24 35 99.4
United Utilities Culverted River Douglas LYNTON AVENUE CSO 16 17 98.8
United Utilities Billy Pit Brook Lpool Canal BEECH HILL LANE CSO 50089 5 16 100
United Utilities River Douglas Via Sws CHESTNUT ROAD CSO 11 8 92.7
United Utilities River Douglas Via Sws SPRINGFIELD ROAD CSO 14 7 95.1
United Utilities River Douglas Via Sws SOUTH OF BALL STREET CSO 6 6 46.6
United Utilities Borsdane Brook OLD FOLD ROAD CSO 4 4 99.3
United Utilities Clarington Brook WESTMOORLAND STREET/SCHOLES CSO 0 0 100
United Utilities River Douglas ORMSKIRK ROAD/FRANCE STREET CSO 0 0 99
United Utilities River Douglas NW JCT WOODHOUSE LANE 0 0 99.5

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.