Top of the Poops | Constituency Sewage Map | Widnes and Halewood

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Live data for Widnes and Halewood in 2026

So far this year (as of 18 May 2026, 12:00) there has been 468 hours of sewage overflows, from 42 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for Widnes and Halewood in 2025

22 Sites polluted by United Utilities

731 sewage dumps

3,407 hours duration

That's 4.73 months. On average 2 times a day

Change Over Time

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Constituencies near Widnes and Halewood

Waterways in Widnes and Halewood

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Widnes and Halewood 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	River Mersey Estuary	WIDNES WWTW	89	693	100
United Utilities	Ditton Brook	HUYTON WASTEWATER TREATMENT WORKS	54	434	99.15
United Utilities	River Mersey	DESOTO ROAD CSO (201RQ)	57	346	99.6
United Utilities	Ditton Brook Via Sws	EVERITE ROAD CSO	83	233	83.4
United Utilities	Mersey Estuary	MERSEY VIEW ROAD CSO	44	222	99.8
United Utilities	Halewood Brook	WOOLTON STW	23	209	87
United Utilities	Stewards Brook	ALEXANDER DRIVE CSO	60	160	99.7
United Utilities	River Mersey Via Sws	FRENCH STREET CSO 201UW	43	153	100
United Utilities	Ram'S Brook	HALE VILLAGE PUMPING STATION	31	132	99.9
United Utilities	River Mersey Estuary	TANHOUSE LANE	43	115	94.4
United Utilities	Longwood Mill Brook	WHISTON PARK (ECCLESTON PK) CSO	25	113	100
United Utilities	Ditton Brook	HARRISON STREET CSO	21	105	99.7
United Utilities	Ditton Brook	ASH LANE CSO	9	98	94.3
United Utilities	River Mersey Via Sws	DANS ROAD WEATES CLOSE CSO 201Q2	21	94	99.9
United Utilities	River Mersey Via Sws	GORSEY LANE DANS RD CSO 201V6	69	87	99.6
United Utilities	River Mersey Estuary	MACDERMOTT ROAD PUMPING STATION	7	80	100
United Utilities	Lady Pool	HALE ROAD / DINNER LANE CSO	12	43	99.7
United Utilities	Bowers Brook	WARRINGTON ROAD CSO	15	42	99.5
United Utilities	Bowers Brook	ESTER STREET CAR PARK CSO 203DR	15	27	100
United Utilities	Bowers Brook	SPIKE ISLAND ACCESS RD CSO (202RW)	6	6	99.5
United Utilities	Mersey Estaury	HALEWOOD PUMPING STATION	2	2	100
United Utilities	Barrows Green Brook Sws	DERBY RD BARROWS LANE CSO 203DC	2	0	99.4

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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