Halton polluted by sewage 1,682 times in 2023 - lasting 11,713 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 Halton in 2023
30 Sites polluted by United Utilities
1,682 sewage dumps
11,713 h duration
That's 1.36 years! On average 4.6 times a day
Change Over Time

Pollution Summary 2023

Here are all the reported sewage overflow totals for Halton 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 1 of the total 31 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 Unknown LABURNUM GROVE 206 3,614 100
United Utilities Unknown WINDSOR GROVE 173 2,085 100
United Utilities River Mersey Estuary WIDNES WWTW 165 2,046 100
United Utilities M/C Ship Canal RUNCORN WASTEWATER TREATMENT WORKS 69 883 100
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 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 Ram'S Brook HALE VILLAGE PUMPING STATION 62 151 100
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 Manchester Ship Canal PENN LANE WESTON POINT PR CSO 202LE 76 89 100
United Utilities Manchester Ship Canal HALTON BROW CSO 203EF 89 84 99.7
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 Manchester Ship Canal HARDWICK ROADCSO 15 25 100
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 River Mersey TRENTHAM P.S 48 7 100
United Utilities Manchester Ship Canal THE BROW CSO 202UP 16 4 100
United Utilities Willow Brook RUNCORN TOWN HALL CSO 4 3 100
United Utilities Manchester Ship Canal WATERLOO ROAD CSO (202ZW) 10 1 100
United Utilities Manchester Ship Canal Via Sws SALTWORKS PUMPING STATION 2 1 100
United Utilities Bridgewater Canal Via Sws DOWNS ROAD COMBINED SEWER OVERFLOW 8 0 100
United Utilities Barrows Green Brook Sws DERBY RD BARROWS LANE CSO 203DC 2 0 100
United Utilities Weaver Navigation SOUTH PARADE CSO 202S2 2 0 100
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.