Widnes and Halewood was polluted by sewage 1,264 times in 2023
lasting 7,252 hours
- but monitoring was disabled in some locations, so could be more

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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 Widnes and Halewood in 2023
21 Sites polluted by United Utilities
1,264 sewage dumps
7,252 h duration
That's 10.07 months. On average 3.5 times a day
Change Over Time
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Pollution Summary 2023

Here are all the reported sewage overflow totals for Widnes and Halewood 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 23 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 River Mersey Estuary WIDNES WWTW 165 2,046 100
United Utilities Ditton Brook HUYTON WASTEWATER TREATMENT WORKS 167 1,787 99.45
United Utilities River Mersey DESOTO ROAD CSO (201RQ) 78 668 97.4
United Utilities River Mersey Estuary MACDERMOTT ROAD PUMPING STATION 31 475 87.9
United Utilities Mersey Estuary MERSEY VIEW ROAD CSO 87 346 95.3
United Utilities Halewood Brook WOOLTON STW 69 256 99.85
United Utilities Ditton Brook HARRISON STREET CSO 70 234 99.6
United Utilities River Mersey Via Sws FRENCH STREET CSO 201UW 67 222 99.7
United Utilities Stewards Brook ALEXANDER DRIVE CSO 76 215 95.6
United Utilities River Mersey Via Sws GORSEY LANE DANS RD CSO 201V6 107 164 99.2
United Utilities Longwood Mill Brook WHISTON PARK (ECCLESTON PK) CSO 46 162 100
United Utilities Ram'S Brook HALE VILLAGE PUMPING STATION 62 151 100
United Utilities Ditton Brook ASH LANE CSO 18 134 99.6
United Utilities Ditton Brook Via Sws EVERITE ROAD CSO 54 112 99.7
United Utilities River Mersey Via Sws DANS ROAD WEATES CLOSE CSO 201Q2 47 109 100
United Utilities Lady Pool HALE ROAD / DINNER LANE CSO 15 59 99.7
United Utilities Bowers Brook ESTER STREET CAR PARK CSO 203DR 38 44 100
United Utilities Bowers Brook WARRINGTON ROAD CSO 33 40 95.8
United Utilities Bowers Brook SPIKE ISLAND ACCESS RD CSO (202RW) 24 9 98
United Utilities Mersey Estaury HALEWOOD PUMPING STATION 8 8 100
United Utilities Barrows Green Brook Sws DERBY RD BARROWS LANE CSO 203DC 2 0 100
United Utilities Ditton Brook LOWER RD PS 0 0 0
United Utilities River Mersey Estuary TANHOUSE LANE 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, 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.