Top of the Poops | Constituency Sewage Map | Bootle

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Live data for Bootle in 2026

So far this year (as of 14 Nov 2026, 02:30) there has been 18 hours of sewage overflows, from 12 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for Bootle in 2025

8 Sites polluted by United Utilities

65 sewage dumps

77 hours duration

Sewage pollution map of Bootle: 65 spills in 2025, lasting 77 hours, by United Utilities

That's 3.21 days. 1.2 times a week, on average

Change Over Time

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Bootle in 2025. 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 all the declared CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s appeared to have monitoring enabled for more than 50% of the year

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
United Utilities	Mersey Estuary	BANKHALL RELIEF CSO 99005	20	39	100
United Utilities	Liverpool Bay	HARBORD ROAD PS 99047	14	17	100
United Utilities	River Mersey Estuarine Waters	BANKHALL RELIEF CSO 99005	7	10	100
United Utilities	River Mersey Estuary	RIMROSE BROOK CSO	10	3	100
United Utilities	River Mersey Estuary	BOOTLE NORTHERN OPC CSO 99102	9	2	100
United Utilities	Moor Hey Brk River Alt	DOOLEY DRIVE CSO/	1	1	100
United Utilities	River Mersey	STRAND ROAD STORM SEWER OVERFLOW	2	1	100
United Utilities	Rimrose Brook, Rvr Mersey	3-8 MORNINGSIDE CSO 3282GE	2	0	100
United Utilities	River Mersey Estuary	MILLERS BRIDGE CSO 99004	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. 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.

Analysing sewage pollution by the Water Industry

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© 2020-2025 Top-Of-The-Poops CC-BY-SA 4.0,
© Openstreetmap contributors, Contains OS data © Crown copyright and database right 2021-2025,
Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis © 2025 Top-Of-The-Poops

Some data reproduced under Open Government Licence

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