Ellesmere Port and Bromborough was polluted by sewage 899 times in 2024
lasting 6,584 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 Ellesmere Port and Bromborough in 2025
So far this year (as of Apr 16, 2025, 5:45 PM) there has been 1,946 hours of sewage overflows
Totals for Ellesmere Port and Bromborough in 2024
14 Sites polluted by United Utilities
899 sewage dumps
6,584 h duration
That's 9.14 months. On average 2.5 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 Ellesmere Port and Bromborough, 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 Ellesmere Port and Bromborough 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 16 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 River Mersey Estuary BROMBOROUGH WWTW 325 3,635 93.85
United Utilities River Mersey Estuary DOCK ROAD SOUTH CSO 137 1,423 87.9
United Utilities River Mersey Estuary DOCK ROAD SOUTH CSO 90 397 97.7
United Utilities Manchester Ship Canal POWERHOUSE ROAD PUMPING STATION 64 278 100
United Utilities Rivacre Brook, Mersey RIVACRE VALLEY PARK CSO 51 219 92.4
United Utilities Mersey Estuary THE DELL COMBINED SEWER OVERFLOW 66 195 94.5
United Utilities Little Stanney Drain THORNTON ROAD ELLESMERE PORT CSO 42 144 99.2
United Utilities Rivacre Brook RIVACRE VALLEY PARK CSO 41 140 99
United Utilities Dibbinsdale Brook EASTHAM RAKE CSO 25 77 100
United Utilities Mersey Estuary THERMAL ROAD/PORT CAUSEWAY CSO 35 45 98.8
United Utilities Rivacre Brook VALLEY DRIVE CSO 10 13 100
United Utilities Mersey Estuary BROMBOROUGH POOL VILLAGE PS 51026 5 9 100
United Utilities Bromborough Pool PORT CAUSEWAY/CROSSWAY CSO 7 0 99.3
United Utilities Manchester Ship Canal WHITBY ROAD COMBINED SEWER OVERFLOW 1 0 99.4
United Utilities River Mersey MAYFIELDS DRIVE WW NTWK PS 0 0 95.4
United Utilities Manchester Ship Canal 3 PARK ROAD CSO 0 0 99.2

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.