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Wallasey was polluted by sewage 523 times in 2023
lasting 2,207 hours

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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 Wallasey in 2023
20 Sites polluted by United Utilities
523 sewage dumps
2,207 h duration
That's 3.07 months. On average 1.4 times a day
Change Over Time
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Constituencies near Wallasey
Waterways in Wallasey

Pollution Summary 2023

Here are all the reported sewage overflow totals for Wallasey 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 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 Bidston Stream WALLACRE ROAD/BEAUFORT DRIVE CSO 48 576 100
United Utilities River Fender REAR OF 25 WHEATFIELD CLOSE CSO 84 426 100
United Utilities River Fender UPTON STORM TANKS 40 398 100
United Utilities Arrowe Brook WASTDALE DRIVE CSO 56 210 99
United Utilities River Mersey Estuary WALLASEY COASTAL DRIVE 51052 15 173 80
United Utilities Bidston Stream SANDY LANE CSO 78 101 100
United Utilities River Fender HOYLAKE ROAD/CHAPELHILL CSO 41 97 100
United Utilities River Fender UPTON ROAD CSO 513N8 40 72 100
United Utilities Mersey Estuary WALLACRE ROAD CSO 40 48 100
United Utilities Arrowe Brook SAUGHALL MASSIE RD/DEVONSHIRE RDCSO 29 41 100
United Utilities Bidston Stream STATION RD COMBINED SEWER OVERFLOW 14 32 99.7
United Utilities Arrowe Brook 389 HOYLAKE ROAD CSO 4 13 97.7
United Utilities Bidston Stream LEASOWE ROAD CSO 9 5 89.4
United Utilities River Birket STANLEY AVENUE/GREEN LANE CSO 7 2 100
United Utilities Arrowe Brook GARRICK AVENUE CSO 3 2 100
United Utilities Arrowe Brook ACTON LANE COMBINED SEWER OVERFLOW 4 2 100
United Utilities River Fender BRISCOE DRIVE CSO 511G9 4 1 100
United Utilities Arrowe Brook KINGFISHER WAY CSO 2 0 100
United Utilities Arrowe Brook MARYLAND LANE CSO 2 0 100
United Utilities Bidston Stream BEECHWOOD AVENUE CSO 3 0 100
United Utilities Tidal River Mersey NEW BRIGHTON PUMPING STATION 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.

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Analysing sewage pollution by the Water Industry

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