West Lancashire - Live Sewage

Polluted by sewage 778 hours in 2026 , monitoring offline 926 hours , potential overflows 311 hours so far..

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024

Which Year?

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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 West Lancashire 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 West Lancashire in 2026

Sewage778 hours
Monitoring offline926 hours
Potential pollution311 hours
Storm overflows47

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Daily Data

Jan - 63 hours , 279 potential
Feb - 147 hours , 24 potential
Mar - 47 hours , 30 offline
Apr - 13 hours , 0 offline
May - 17 hours , 0 offline
Jun - 0 hours
Jul - 0 hours , 397 offline
Aug - 101 hours , 0 potential
Sept - 114 hours , 9 offline
Oct - 273 hours , 6 potential
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
United Utilities Mill Lane CSO Dane-In-Shaw Brook 67 194h 26m 0 h
United Utilities BARROW NOOK WwTW Simonswood Brook 40 119h 49m -
United Utilities Orrell House Farm CSO Dean Brook Trid Of R Douglas 46 109h 6m -
United Utilities WESTHEAD WwTW Castle Brook 31 75h 46m 30 h
United Utilities WIGAN (HOSCAR) WwTW River Douglas 8 65h 4m -
United Utilities HILLHOUSE WwTW Hey Cop Drain, River Alt 15 54h 58m 282 h
United Utilities 194 Ormskirk Road River Tawd Via Sws 27 33h 42m -
United Utilities Near Tawd Vale Inn River Tawd Via Sws 18 23h 28m -
United Utilities Bickerstaffe Wastewater PS Bickerstaffe Brook 10 21h 14m 26 h
United Utilities SKELMERSDALE WwTW River Douglas 8 16h 9m -
United Utilities SKELMERSDALE WwTW River Douglas 5 15h 27m 2 h
United Utilities BURSCOUGH WwTW Boathouse Sluice 4 12h 49m -
United Utilities Unknown Unknown 4 8h 32m -
United Utilities Opposite 36 Carr Lane CSO Sandy Brook 8 8h 32m -
United Utilities Outside 1 Teversham Three Pools Waterway 6 5h 12m -
United Utilities Derby Street CSO Eller Brook Via Sws 6 3h 35m 853 h
United Utilities AINSDALE WwTW Fine Janes Brook 1 3h 35m -
United Utilities Dicket's Lane CSO (493DE) Eller Brook 5 1h 28m 2 h
United Utilities Opposite No.320 Liverpool Road CSO Sandy Brook 2 1h 20m -
United Utilities Ainsdale WwTW Fine Janes Brook 1 1h 18m -
United Utilities O/s 65 Dover Road CSO Sandy Brook 2 0h 56m -
United Utilities Opposite No.7 Cromer Road CSO Sandy Brook 2 0h 50m -
United Utilities Ormskirk Road , Skelmersdale River Tawd 3 0h 22m 39 h
United Utilities Rear No.1 Hastings Road CSO Sandy Brook 1 0h 18m -
United Utilities HILLHOUSE WwTW Hey Cop Drain, River Alt 0 0h -
United Utilities Derby Street CSO Eller Brook Via Sws 0 0h -
United Utilities O/s 65 Dover Road CSO Sandy Brook 0 0h -
United Utilities Opposite No.320 Liverpool Road CSO Sandy Brook 0 0h -
United Utilities 194 Ormskirk Road River Tawd Via Sws 0 0h -
United Utilities BURSCOUGH WwTW Boathouse Sluice 0 0h -
United Utilities Orrell House Farm CSO Dean Brook Trid Of R Douglas 0 0h -
United Utilities Dicket's Lane CSO (493DE) Eller Brook 0 0h -
United Utilities WIGAN (HOSCAR) WwTW River Douglas 0 0h -
United Utilities Rear No.1 Hastings Road CSO Sandy Brook 0 0h -
United Utilities WESTHEAD WwTW Castle Brook 0 0h -
United Utilities BARROW NOOK WwTW Simonswood Brook 0 0h -
United Utilities AINSDALE WwTW Fine Janes Brook 0 0h -
United Utilities Outside 1 Teversham Three Pools Waterway 0 0h -
United Utilities Opposite No.7 Cromer Road CSO Sandy Brook 0 0h -
United Utilities SKELMERSDALE WwTW River Douglas 0 0h -
United Utilities Ormskirk Road , Skelmersdale River Tawd 0 0h -
United Utilities Mill Lane CSO Dane-In-Shaw Brook 0 0h -
United Utilities Opposite 36 Carr Lane CSO Sandy Brook 0 0h -
United Utilities Bickerstaffe Wastewater PS Bickerstaffe Brook 0 0h -
United Utilities Near Tawd Vale Inn River Tawd Via Sws 0 0h -
United Utilities Ainsdale WwTW Fine Janes Brook 0 0h -
United Utilities SKELMERSDALE WwTW River Douglas 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.