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Ellesmere Port and Bromborough was polluted by sewage 1,043 times in 2023
lasting 7,223 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 Ellesmere Port and Bromborough in 2023
15 Sites polluted by United Utilities
1,043 sewage dumps
7,223 h duration
That's 10.03 months. On average 2.9 times a day
Change Over Time
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Pollution Summary 2023

Here are all the reported sewage overflow totals for Ellesmere Port and Bromborough 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 18 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 River Mersey Estuary BROMBOROUGH WWTW 324 4,069 100
United Utilities River Mersey Estuary DOCK ROAD SOUTH CSO 158 1,623 100
United Utilities River Mersey Estuary DOCK ROAD SOUTH CSO 108 451 100
United Utilities Manchester Ship Canal POWERHOUSE ROAD PUMPING STATION 86 350 100
United Utilities Mersey Estuary THE DELL COMBINED SEWER OVERFLOW 95 234 99.5
United Utilities River Mersey Estuary MAYFIELD DRIVE PS1 CSO 512EZ 33 115 100
United Utilities Rivacre Brook RIVACRE VALLEY PARK CSO 40 102 100
United Utilities Little Stanney Drain THORNTON ROAD ELLESMERE PORT CSO 46 101 97.2
United Utilities Mersey Estuary EASTHAM VILLAGE CSO 50 47 99.8
United Utilities Dibbinsdale Brook EASTHAM RAKE CSO 23 47 100
United Utilities Mersey Estuary THERMAL ROAD/PORT CAUSEWAY CSO 49 40 100
United Utilities Rivacre Brook VALLEY DRIVE CSO 14 19 100
United Utilities Rivacre Brook, Mersey RIVACRE VALLEY PARK CSO 7 14 95.2
United Utilities Mersey Estuary BROMBOROUGH POOL VILLAGE PS 51026 2 3 100
United Utilities Bromborough Pool PORT CAUSEWAY/CROSSWAY CSO 8 1 100
United Utilities River Mersey MAYFIELDS DRIVE WW NTWK PS 0 0 0
United Utilities Manchester Ship Canal WHITBY ROAD COMBINED SEWER OVERFLOW 0 0 100
United Utilities Manchester Ship Canal 3 PARK ROAD CSO 0 0 100

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.