Southport was polluted by sewage 310 times in 2024
lasting 1,953 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 Southport in 2025
So far this year (as of Apr 16, 2025, 6:15 PM) there has been 481 hours of sewage overflows
Totals for Southport in 2024
8 Sites polluted by United Utilities
310 sewage dumps
1,953 h duration
That's 2.71 months. 6 times a week, on average
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 Southport, 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 Southport 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 8 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 Tarleton Runner MERE BROW WWTW 158 1,490 99.55
United Utilities Douglas Estuary HESKETH BANK WWTW HSKBK 22 131 99.6
United Utilities Dunkirk Dib SHORE ROAD NETWORK PUMPING STATION 53 109 99.8
United Utilities Three Pools Waterway CROWLANDS STREET PUMPING STATION 21 92 100
United Utilities Three Pools Waterway OUTS119 RUFFORD RD CSO 382PZ 35 79 98.7
United Utilities Crossens Pool SOUTHPORT WWTW 9 43 100
United Utilities Sandy Brook REAR NO.1 HASTINGS ROAD CSO 381P8 6 3 99.3
United Utilities Sandy Brook O/S 65 DOVER ROAD CSO 381P8 6 3 95.4

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.