Widnes and Halewood was polluted by sewage 1,072 times in 2024
lasting 5,916 hours
- but monitoring was disabled in some locations, so could be more

© OpenStreetMap contributors
Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
Select the constituency from the drop-down
✔ means we have experimental daily data since 2023
Live data for Widnes and Halewood in 2025
So far this year (as of Apr 16, 2025, 5:45 PM) there has been 962 hours of sewage overflows
Totals for Widnes and Halewood in 2024
21 Sites polluted by United Utilities
1,072 sewage dumps
5,916 h duration
That's 8.22 months. On average 2.9 times a day
Change Over Time
Take Action
Your local MP is Derek Twigg (Labour) - Find out more about their interests, donors, and voting at They Work For You

Daily Data
We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Widnes and Halewood, 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 Widnes and Halewood 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 1 of the total 23 CSO locations had reporting enabled for less than half the year, of which 1 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
United Utilities River Mersey Estuary WIDNES WWTW 167 1,711 100
United Utilities Ditton Brook HUYTON WASTEWATER TREATMENT WORKS 111 1,061 100
United Utilities River Mersey DESOTO ROAD CSO (201RQ) 89 634 98.8
United Utilities Mersey Estuary MERSEY VIEW ROAD CSO 69 421 99.9
United Utilities Ram'S Brook HALE VILLAGE PUMPING STATION 60 301 100
United Utilities Halewood Brook WOOLTON STW 53 295 82.05
United Utilities Stewards Brook ALEXANDER DRIVE CSO 81 235 99.5
United Utilities River Mersey Via Sws FRENCH STREET CSO 201UW 51 195 81.3
United Utilities Longwood Mill Brook WHISTON PARK (ECCLESTON PK) CSO 43 159 100
United Utilities Ditton Brook HARRISON STREET CSO 33 158 99.2
United Utilities River Mersey Via Sws GORSEY LANE DANS RD CSO 201V6 92 151 98.5
United Utilities River Mersey Via Sws DANS ROAD WEATES CLOSE CSO 201Q2 33 118 98
United Utilities Ditton Brook ASH LANE CSO 15 116 13.4
United Utilities Lady Pool HALE ROAD / DINNER LANE CSO 21 99 98.5
United Utilities Ditton Brook Via Sws EVERITE ROAD CSO 52 72 99.2
United Utilities Bowers Brook WARRINGTON ROAD CSO 26 62 98.9
United Utilities River Mersey Estuary MACDERMOTT ROAD PUMPING STATION 17 61 100
United Utilities Bowers Brook ESTER STREET CAR PARK CSO 203DR 25 41 98.4
United Utilities Bowers Brook SPIKE ISLAND ACCESS RD CSO (202RW) 29 11 99.5
United Utilities Mersey Estaury HALEWOOD PUMPING STATION 4 2 100
United Utilities Barrows Green Brook Sws DERBY RD BARROWS LANE CSO 203DC 1 2 97.8
United Utilities River Mersey Estuary TANHOUSE LANE 0 0 0
United Utilities Ditton Brook LOWER RD PS 0 0 78.1

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.