Warrington South was polluted by sewage 1,002 times in 2023
lasting 4,715 hours
- but monitoring was disabled in some locations, so could be more

© OpenStreetMap contributors
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 Warrington South in 2023
22 Sites polluted by United Utilities
1,002 sewage dumps
4,715 h duration
That's 6.55 months. On average 2.7 times a day
Change Over Time
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Pollution Summary 2023

Here are all the reported sewage overflow totals for Warrington South 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 27 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 Mersey Estuary WARRINGTON NORTH WWTW 148 1,570 98.55
United Utilities M/C Ship Canal WARRINGTON SOUTH WWTW 105 951 85.4
United Utilities River Mersey WESTY FLUMES 1 SOUTH CSO 489CB 74 325 90.7
United Utilities Slitten Brook RR NO 16 BRIDGEWATER ST CSO 483BR 79 308 100
United Utilities Manchester Ship Canal WALTON PS 43 271 100
United Utilities River Bollin GREEN DRAGON HOTEL CSO 481EC 35 240 100
United Utilities Slitten Brook DANE BANK ROAD CSO 481QY 85 219 99.5
United Utilities Penketh Brook HALL NOOK COMBINED SEWER OVERFLOW 93 188 99.7
United Utilities Longford Brook LONGFORD BARRAGE CSO 48008 25 169 100
United Utilities Sow Brook SOW BROOK PS 14 133 98.6
United Utilities River Mersey KINGSWAY COMBINED SEWER OVERFLOW 93 98 91
United Utilities Sankey Brook LONGSHAW STREET CSO (48066) 13 77 60.5
United Utilities Sankey Brook THORNTON ROAD DEPOT CSO 482U7 45 51 100
United Utilities Mersey Estuary WHITTLE BROOK PS 39 49 100
United Utilities Manchester Ship Canal KNUTSFORD RD/GRAMMAR SCHOOL RD CSO 37 19 85.7
United Utilities Whittle Brook Via Sws HIGHFIELD AVENUE CSO 11 15 100
United Utilities Sankey Brook SANKEY BRIDGES PS 10 8 100
United Utilities River Mersey THEWLIS STREET CSO 15 7 100
United Utilities Whittle Brook WARRINGTON ROAD WA5 2JL CSO 18 6 100
United Utilities Unknown CAUSEWAY PS 9 1 100
United Utilities Manchester Ship Canal ELLESMERE ROAD CSO 481TI 6 1 100
United Utilities Bridgewater Canal OUGHTRIGHTON LANE CSO 482KO 5 1 100
United Utilities Dallam Brook Via Sws 4 TAVLIN AVENUE CSO 0 0 100
United Utilities Sankey Brook BEWSEY BRIDGE PUMPING STN 0 0 100
United Utilities Manchester Ship Canal WARRINGTON/GRAPPENHALL 0 0 0
United Utilities Longford Brook ATHLONE ROAD CSO 48062 0 0 100
United Utilities M/Chester Ship Canal REAR OF 68 WHITBARROW RD 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.