Warrington South was polluted by sewage 693 times in 2024
lasting 3,306 hours

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
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✔ means we have experimental daily data since 2023
Live data for Warrington South in 2025
So far this year (as of Apr 16, 2025, 6:15 PM) there has been 1,945 hours of sewage overflows
Totals for Warrington South in 2024
20 Sites polluted by United Utilities
693 sewage dumps
3,306 h duration
That's 4.59 months. On average 1.9 times a day
Change Over Time
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Daily Data
We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Warrington South, 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 Warrington South 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 0 of the total 21 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
United Utilities Mersey Estuary WARRINGTON NORTH WWTW 109 1,131 100
United Utilities M/C Ship Canal WARRINGTON SOUTH WWTW 82 910 100
United Utilities Longford Brook LONGFORD BARRAGE CSO 48008 30 203 100
United Utilities Penketh Brook HALL NOOK COMBINED SEWER OVERFLOW 76 177 97
United Utilities Manchester Ship Canal WALTON PS 22 138 100
United Utilities Sankey Brook LONGSHAW STREET CSO (48066) 17 131 99.9
United Utilities Longford Brook ATHLONE ROAD CSO 48062 21 127 100
United Utilities River Mersey KINGSWAY COMBINED SEWER OVERFLOW 86 100 99.8
United Utilities Sankey Brook SANKEY BRIDGES PS 31 83 61.6
United Utilities Mersey Estuary WHITTLE BROOK PS 32 57 100
United Utilities Sankey Brook BEWSEY BRIDGE PUMPING STN 11 51 100
United Utilities Sankey Brook THORNTON ROAD DEPOT CSO 482U7 35 40 99.3
United Utilities River Mersey THEWLIS STREET CSO 39 33 84.3
United Utilities Dallam Brook Via Sws 4 TAVLIN AVENUE CSO 5 30 99.3
United Utilities Manchester Ship Canal KNUTSFORD RD/GRAMMAR SCHOOL RD CSO 39 28 99.5
United Utilities Whittle Brook Via Sws HIGHFIELD AVENUE CSO 7 22 69.8
United Utilities River Mersey WESTY FLUMES 1 SOUTH CSO 489CB 20 17 91.7
United Utilities Whittle Brook WARRINGTON ROAD WA5 2JL CSO 13 10 100
United Utilities Manchester Ship Canal ELLESMERE ROAD CSO 481TI 7 5 98.8
United Utilities Unknown CAUSEWAY PS 11 4 100
United Utilities Manchester Ship Canal WARRINGTON/GRAPPENHALL 0 0 98.8

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.