Top of the Poops | Constituency Sewage Map | Wigan

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Live data for Wigan in 2026

So far this year (as of 18 May 2026, 12:00) there has been 197 hours of sewage overflows, from 48 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for Wigan in 2025

24 Sites polluted by United Utilities

637 sewage dumps

1,485 hours duration

That's 2.06 months. On average 1.7 times a day

Change Over Time

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Wigan in 2025. 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 all the declared CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s appeared to have monitoring enabled for more than 50% of the year

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
United Utilities	Ackhurst Brook R Douglas	IRVINES FARM CSO	75	241	100
United Utilities	River Douglas	CENTRAL PARK CSO 50090	91	226	99.4
United Utilities	Mill Brook	WIGAN ROAD CSO 50087	62	154	99.9
United Utilities	Close Brook	GREENWOOD AVENUE CSO	49	118	81.6
United Utilities	River Douglas	GOWER STREET CSO 50126	38	117	99.9
United Utilities	Of Ince Brook Via Sws	ST MARY'S ROAD CSO	41	111	99.3
United Utilities	Bradley Brook	BRADLEY LANE, M.H.830	51	80	99.1
United Utilities	River Douglas Via Sws	SOUTH OF BALL STREET CSO	34	72	73.2
United Utilities	Poolstock Brook	REAR OF 125 BAKER STREET CSO	25	71	99.9
United Utilities	River Douglas	GATHURST LANE SHEVINGTON CSO	24	58	100
United Utilities	Mill Brook	ARBOUR LANE PUMPING STATION	14	45	99.8
United Utilities	River Douglas	GATHURST LANE SHEVINGTON CSO	29	44	91.1
United Utilities	Yellow Brook	HOLLY STREET/NEW SPRINGS CSO	10	26	99.8
United Utilities	Culverted River Douglas	LYNTON AVENUE CSO	28	24	99.4
United Utilities	Close Brook R Douglas	CLOSE BROOK CSO	4	23	99.9
United Utilities	River Douglas Via Sws	BRADSHAW STREET CSO	27	21	99.8
United Utilities	River Douglas Via Sws	CHESTNUT ROAD CSO	14	13	95.6
United Utilities	Borsdane Brook	OLD FOLD ROAD CSO	2	9	100
United Utilities	Billy Pit Brook Lpool Canal	BEECH HILL LANE CSO 50089	2	9	100
United Utilities	River Douglas Via Sws	SPRINGFIELD ROAD CSO	11	8	99.9
United Utilities	Clarington Brook	PLATT LANE COMBINED SEWER OVERFLOW	2	2	99.9
United Utilities	River Douglas	ORMSKIRK ROAD/FRANCE STREET CSO	2	0	100
United Utilities	River Douglas	NW JCT WOODHOUSE LANE	1	0	99.5
United Utilities	Clarington Brook	WESTMOORLAND STREET/SCHOLES CSO	1	0	97.4

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. Live sewage data from Stream Water API

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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Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis © 2025 Top-Of-The-Poops

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