Knowsley - Live Sewage

Polluted by sewage 57 hours in 2026 so far..

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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 live data (𝑥 if not)

View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Knowsley so far for 2026. It is an estimate, based on very poor quality live data from the Water Companies. The water companies report their sewage to the Environment Agency every year in April. You can see the last reported year in the other page

What's a potential overflow? If the CSO goes 'Offline' while its Overflowing, we don't know if it stopped overflowing until we get a 'Stop' event.

Totals for Knowsley in 2026

Sewage57 hours
Monitoring offline0 hours
Potential pollution0 hours
Storm overflows6

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Daily Data

Jan - 0 hours
Feb - 9 hours
Mar - 0 hours
Apr - 0 hours
May - 0 hours
Jun - 0 hours
Jul - 0 hours
Aug - 10 hours
Sept - 8 hours , 0 offline
Oct - 28 hours
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
United Utilities Whiston Eccleston Park CSO Longwood Mill Brook 12 26h 34m -
United Utilities Molyneux Drive CSO Prescot Brook 22 17h 32m -
United Utilities King George V Memorial Playing Field Prescot Brook Ditton Brk 11 13h 38m 0 h
United Utilities King George V Memorial Playing Field Prescot Brook Ditton Brk 0 0h -
United Utilities Whiston Eccleston Park CSO Longwood Mill Brook 0 0h -
United Utilities Molyneux Drive CSO Prescot Brook 0 0h -

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. Live sewage data from Stream Water API

Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.

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.