Leigh polluted by sewage 1,450 times in 2023 - lasting 10,268 hours
- but monitoring was disabled in some locations, so could be more

© OpenStreetMap contributors
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 Leigh in 2023
31 Sites polluted by United Utilities
1,450 sewage dumps
10,268 h duration
That's 1.19 years! On average 4 times a day
Change Over Time

Pollution Summary 2023

Here are all the reported sewage overflow totals for Leigh 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 2 of the total 34 CSO locations had reporting enabled for less than half the year, of which 2 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
United Utilities Pennington Brook MATHER LANE 153 3,499 93.7
United Utilities Bedford Brook Glaze Brook PARK LANE CSO 50098 120 1,603 86
United Utilities Pennington Brook LEIGH STW 94 1,026 100
United Utilities Moss Brook TYLDESLEY STW 43 659 48
United Utilities Hindsford Brook FULWELL AVENUE CSO 54 616 100
United Utilities Westleigh Brook WESTLEIGH PARK CSO 502ZF 116 476 100
United Utilities Bedford Brook MANCHESTER RD/PARK LANE CSO 85 449 100
United Utilities Hindsford Brook TYLDESLEY CSO 61 444 100
United Utilities Unknown KIRKHALL LANE CSO 81 282 100
United Utilities Collier Brook LOVERS LANE/LEIGH ROAD CSO (50080) 73 211 100
United Utilities Shakerley Brook SHAKERLEY ROAD NO2 CSO 25 162 100
United Utilities Westleigh Brook FIRS LANE/URMSTON STREET CSO 65 159 98.6
United Utilities Millingford Brook MILL LANE (GOLBORNE) CSO 25 132 100
United Utilities Cop Brook ROBIN HOOD PS 77 86 100
United Utilities Westleigh Brook WIGAN ROAD/SIDDELEY STREET CSO 45 75 93.2
United Utilities Colling Lane Brook, Pen Leach STIRLING CLOSE CSO 508NA 16 66 100
United Utilities Westleigh Brook KIRKHALL LANE/VICTORIA STREET CSO 59 58 100
United Utilities Westleigh Brook TWIST LANE/WESTLEIGH BRIDGE CSO 41 37 100
United Utilities Shakerley Brook ELLESMERE STREET CSO 37 36 99.5
United Utilities Astley Brook EAST LANCS ROAD PUMPING STATION 39 30 100
United Utilities Westleigh Brook WESTLEIGH ETHERSTONE MD CSO 508AP 16 29 100
United Utilities Bedford Brook MILL LANE LEIGH CSO 50079 32 27 100
United Utilities Shakerley Brook ELLESMERE STREET CSO 30 25 100
United Utilities Pen Leach Brook QUEENSWAY PS 8 22 99.8
United Utilities Bedford Brook CENTRAL PUMPING STATION 17 22 100
United Utilities Honksford Brook PARR BRIDGE/MOSLEY COMMON RD CSO 13 10 100
United Utilities Pennington Brook Via Sws NEWLANDS ROAD CSO 8 7 75.3
United Utilities Unknown PENNINGTON MILL BRIDGE CSO 12 6 100
United Utilities Hindsford Brook FACTORY ST/CHARLES ST CSO 2 0 100
United Utilities Westleigh Brook KIRIBATI WAY CSO 2 0 100
United Utilities Hey Brook CRANKWOOD ROAD PUMPING STATION 1 0 99.6
United Utilities Pennington Brook Via Sws WARRINGTON ROAD CSO 0 0 100
United Utilities Bedford Brook HIGH BRIDGE COMBINED SEWER OVERFLOW 0 0 0
United Utilities Pen Leach Brook LEIGH SSO 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

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.