Birkenhead was polluted by sewage 276 times in 2023
lasting 2,176 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 Birkenhead in 2023
5 Sites polluted by United Utilities
276 sewage dumps
2,176 h duration
That's 3.02 months. 5.3 times a week, on average
Change Over Time
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Pollution Summary 2023

Here are all the reported sewage overflow totals for Birkenhead 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 5 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/River Birket BIRKENHEAD WWTW BIRKE 150 1,950 99.9
United Utilities River Fender NOCTORUM AVENUE CSO 512IB 95 164 100
United Utilities River Birkett BIDSTON BY-PASS CSO 23 43 100
United Utilities Boardman Brook STANTON ROAD PS 2 15 100
United Utilities Mersey Estuary ST PAUL'S ROAD CSO 6 2 99.1

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.