Runcorn and Helsby - Live Sewage

Polluted by sewage 1,995 hours in 2026 , monitoring offline 6,596 hours , potential overflows 3 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 Runcorn and Helsby 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 Runcorn and Helsby in 2026

Sewage1,995 hours
Monitoring offline6,596 hours
Potential pollution3 hours
Storm overflows61

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Daily Data

Jan - 182 hours , 1,209 offline
Feb - 298 hours , 834 offline
Mar - 62 hours , 1 potential
Apr - 3 hours , 720 offline
May - 347 hours , 744 offline
Jun - 713 hours , 720 offline
Jul - 0 hours , 744 offline
Aug - 42 hours , 793 offline
Sept - 81 hours , 0 potential
Oct - 263 hours , 1 potential
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
United Utilities Off Well Lane Kingsley CSO Kingsley Brook 92 1,103h 12m 0 h
United Utilities ELLESMERE PORT WwTW Thornton Brook/River Gowy 40 265h 8m -
United Utilities Mickle Trafford PS Stanney Mill Brook 21 255h 28m -
United Utilities RUNCORN WwTW M/C Ship Canal 9 80h 54m -
United Utilities Expressway 8, Runcorn (Weston Point, Point R) CSO Manchester Ship Canal 45 46h 52m 48 h
United Utilities Halton Brow CSO Manchester Ship Canal 40 39h 0 h
United Utilities Newtown PS River Weaver 15 36h 27m 629 h
United Utilities Hardwick Street CSO Manchester Ship Canal 21 33h 6m -
United Utilities Town PS Manchester Ship Canal 4 32h 46m 5,891 h
United Utilities Penn Lane (Weston Point, Point R) combined sewer overflow (202LE) (HAL0060) Manchester Ship Canal 33 31h 38m -
United Utilities Mickle Trafford PS Stanney Mill Brook 16 29h 59m -
United Utilities High Street/Moors Lane CSO Main Drain 23 22h 12m 29 h
United Utilities Trentham Street PS River Mersey 18 3h 42m -
United Utilities Elton PS West Central Drain, Mersey Est 3 3h 20m -
United Utilities Runcorn Town Hall CSO Willow Brook 3 3h 4m -
United Utilities Waterside Drive CSO River Weaver 6 3h -
United Utilities RUNCORN ROAD CSO Manchester Ship Canal 6 2h 42m -
United Utilities HELSBY WwTW Hornsmill Brook 2 1h 5m -
United Utilities The Brow CSO Manchester Ship Canal 3 0h 54m -
United Utilities Daresbury CSO River Mersey 2 0h 20m -
United Utilities Waterloo Road Sewer Manchester Ship Canal 1 0h 10m -
United Utilities Bridge Lane River Weaver 1 0h 8m 0 h
United Utilities Windsor Grove CSO Willow Brook 1 0h 4m -
United Utilities Whitby Road CSO Manchester Ship Canal 1 0h 2m -
United Utilities Hatley Lane Frodsham Marsh Ditch 1 0h 2m -
United Utilities Bridge Lane River Weaver 0 0h -
United Utilities The Brow CSO Manchester Ship Canal 0 0h -
United Utilities HELSBY WwTW Hornsmill Brook 0 0h -
United Utilities Hardwick Street CSO Manchester Ship Canal 0 0h -
United Utilities South Parade CSO Weaver Navigation 0 0h -
United Utilities ICI Saltworks PS Manchester Ship Canal Via Sws 0 0h -
United Utilities Expressway 8, Runcorn (Weston Point, Point R) CSO Manchester Ship Canal 0 0h -
United Utilities Waterside Drive CSO River Weaver 0 0h -
United Utilities Daresbury CSO River Mersey 0 0h -
United Utilities RUNCORN ROAD CSO Manchester Ship Canal 0 0h -
United Utilities South Parade CSO Weaver Navigation 0 0h -
United Utilities High Street/Moors Lane CSO Main Drain 0 0h -
United Utilities Downs Road CSO Bridgewater Canal Via Sws 0 0h -
United Utilities Waterloo Road Sewer Manchester Ship Canal 0 0h -
United Utilities Off Well Lane Kingsley CSO Kingsley Brook 0 0h -
United Utilities Hatley Lane Frodsham Marsh Ditch 0 0h -
United Utilities Downs Road CSO Bridgewater Canal Via Sws 0 0h -
United Utilities ELLESMERE PORT WwTW Thornton Brook/River Gowy 0 0h -
United Utilities Elton PS West Central Drain, Mersey Est 0 0h -
United Utilities Trentham Street PS River Mersey 0 0h -
United Utilities Halton Brow CSO Manchester Ship Canal 0 0h -
United Utilities HELSBY WwTW Hornsmill Brook 0 0h -
United Utilities Laburnham Grove Willow Brook 0 0h -
United Utilities Town PS Manchester Ship Canal 0 0h -
United Utilities RUNCORN WwTW M/C Ship Canal 0 0h -
United Utilities Hapsford PS Hornsmill Brook 0 0h -
United Utilities Mickle Trafford PS Stanney Mill Brook 0 0h -
United Utilities Mickle Trafford PS Stanney Mill Brook 0 0h -
United Utilities Whitby Road CSO Manchester Ship Canal 0 0h -
United Utilities Runcorn Town Hall CSO Willow Brook 0 0h -
United Utilities Newtown PS River Weaver 0 0h -
United Utilities Hapsford PS Hornsmill Brook 0 0h -
United Utilities ICI Saltworks PS Manchester Ship Canal Via Sws 0 0h -
United Utilities Penn Lane (Weston Point, Point R) combined sewer overflow (202LE) (HAL0060) Manchester Ship Canal 0 0h -
United Utilities Windsor Grove CSO Willow Brook 0 0h -
United Utilities HELSBY WwTW Hornsmill 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.