River Mersey Estuary polluted by sewage 1,712 times in 2023 - lasting 13,293 hours

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
Totals for River Mersey Estuary in 2023
22 Sites polluted by United Utilities
1,712 sewage dumps
13,293 h duration
That's 1.54 years! On average 4.7 times a day

Pollution Summary 2023

Here are all the reported sewage overflow totals for River Mersey Estuary in 2023. Sometimes sewage can be being dumped for months at a time.

These numbers are very slightly different from the Rivers page. We're working on it.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
United Utilities River Mersey Estuary BROMBOROUGH WWTW 324 4,069 100
United Utilities River Mersey Estuary LIVERPOOL WWTW 200 2,354 79.9
United Utilities River Mersey Estuary WIDNES WWTW 165 2,046 100
United Utilities River Mersey Estuary DOCK ROAD SOUTH CSO 158 1,623 100
United Utilities River Mersey Estuary OS 49 ST ANDREWS ROAD CSO 38028 114 747 99.5
United Utilities River Mersey Estuary MACDERMOTT ROAD PUMPING STATION 31 475 87.9
United Utilities River Mersey Estuary DOCK ROAD SOUTH CSO 108 451 100
United Utilities River Mersey Estuary OPPOSITE 53 MOOR LANE CSO 382G6 132 365 98.2
United Utilities River Mersey Estuary THE BYPASS/LPOOL RD JUNCT CSO 382UR 96 364 100
United Utilities River Mersey Estuary O/S51 MOORLAND AVE CSO 382G6 114 290 98.1
United Utilities River Mersey Estuary WALLASEY COASTAL DRIVE 51052 15 173 80
United Utilities River Mersey Estuary MAYFIELD DRIVE PS1 CSO 512EZ 33 115 100
United Utilities River Mersey Estuary COLLEGE ROAD ESHE ROAD CSO 38109 53 83 100
United Utilities River Mersey Estuary DIBBS LANE CSO 381RT 58 70 99.7
United Utilities River Mersey Estuary O/S 107 LIVERPOOL ROAD CSO 382D3 30 33 97.7
United Utilities River Mersey Estuary WINDBOURNE CSO 10 10 100
United Utilities River Mersey Estuary OUTSIDE 16 CORONATION RD CSO 381PQ 17 8 100
United Utilities River Mersey Estuary RIMROSE BROOK CSO 21 4 100
United Utilities River Mersey Estuary BOOTLE NORTHERN OPC CSO 99102 18 3 100
United Utilities River Mersey Estuary BEACONS GUTTER SSO 12 1 99.7
United Utilities River Mersey Estuary FULWOOD CSO 2 0 100
United Utilities River Mersey Estuary PARK STREET COMBINED SEWER OVERFLOW 1 0 100
United Utilities River Mersey Estuary TANHOUSE LANE 0 0 0
United Utilities River Mersey Estuary DIBBS LANE CSO 381RT 0 0 93.4

Data Sources & Accuracy

EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales

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.