Stockport - Live Sewage

Polluted by sewage 809 hours in 2026 , monitoring offline 69 hours , potential overflows 410 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 Stockport 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 Stockport in 2026

Sewage809 hours
Monitoring offline69 hours
Potential pollution410 hours
Storm overflows58

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Daily Data

Jan - 32 hours , 244 potential
Feb - 181 hours , 158 potential
Mar - 154 hours , 5 potential
Apr - 13 hours , 24 offline
May - 61 hours , 31 offline
Jun - 0 hours
Jul - 0 hours
Aug - 139 hours , 2 potential
Sept - 74 hours , 2 offline
Oct - 151 hours , 0 potential
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
United Utilities STOCKPORT WwTW River Mersey 55 244h 35m 77 h
United Utilities Wellington Road North / Crossley Road CSO River Darwen 37 123h 2m -
United Utilities Hope Street CSO River Mersey 44 76h 54m 0 h
United Utilities Wellington Road South CSO River Mersey 34 69h 10m -
United Utilities Stockport WwTW Heaton's Sewer CSO (STOCK) River Mersey 23 67h 44m 14 h
United Utilities Penny Lane (Grimesbottom) CSO River Tame 19 62h 46m 24 h
United Utilities Travis Brow/Georges Road CSO River Mersey 31 41h 3m 7 h
United Utilities Prince's Street CSO River Mersey 30 24h 26m -
United Utilities Great Underbank CSO Clvrt Section Of River Mersey 18 23h 14m -
United Utilities The Circuit CSO River Mersey 23 20h 42m 0 h
United Utilities STOCKPORT WwTW River Mersey 4 16h 51m 0 h
United Utilities Brighton Road CSO River Mersey 27 13h 56m 1 h
United Utilities Stockport Road/Essex Avenue CSO River Mersey Estuary Via Sws 17 8h 28m -
United Utilities Heaton Moor CSO River Mersey 4 5h 20m -
United Utilities Avenue Street/Brewery Street CSO River Goyt 7 3h 36m -
United Utilities Chestergate CSO River Mersey 3 2h 10m -
United Utilities Brinnington Rise CSO River Tame 6 2h 10m -
United Utilities Brinksway Bridge/Grenville Street CSO River Mersey 2 1h 10m -
United Utilities 95/97 Craig Road CSO River Mersey 4 1h 4m -
United Utilities 103 Brinksway/Lark Hill CSO River Mersey 1 0h 12m 3 h
United Utilities Carrington Road/Offerton Street CSO River Goyt 3 0h 10m 324 h
United Utilities Stringer Street/Newbridge Lane CSO River Goyt 1 0h 8m 24 h
United Utilities Newbridge Lane / Cromer Street CSO River Goyt 1 0h 8m -
United Utilities Newbridge Lane CSO River Goyt 0 0h -
United Utilities Wellington Road North / Crossley Road CSO River Darwen 0 0h -
United Utilities Brinksway Bridge/Grenville Street CSO River Mersey 0 0h -
United Utilities Junction Stringer Street/New Bridge Lane CSO River Goyt Via Sws 0 0h -
United Utilities Newbridge Lane / Cromer Street CSO River Goyt 0 0h -
United Utilities Stockport Road West CSO River Goyt Via Sws 0 0h -
United Utilities Stringer Street/Newbridge Lane CSO River Goyt 0 0h -
United Utilities Lancaster Street CSO River Goyt Via Sws 0 0h -
United Utilities Great Underbank CSO Clvrt Section Of River Mersey 0 0h -
United Utilities Brinnington Rise CSO River Tame 0 0h -
United Utilities Prince's Street CSO River Mersey 0 0h -
United Utilities 95/97 Craig Road CSO River Mersey 0 0h -
United Utilities Junction Stringer Street/New Bridge Lane CSO River Goyt Via Sws 0 0h 0 h
United Utilities Chestergate CSO River Mersey 0 0h -
United Utilities STOCKPORT WwTW River Mersey 0 0h -
United Utilities 103 Brinksway/Lark Hill CSO River Mersey 0 0h -
United Utilities Lancaster Street CSO River Goyt Via Sws 0 0h -
United Utilities Penny Lane (Grimesbottom) CSO River Tame 0 0h -
United Utilities The Circuit CSO River Mersey 0 0h -
United Utilities STOCKPORT WwTW River Mersey 0 0h -
United Utilities Newbridge Lane CSO River Goyt 0 0h -
United Utilities Chestergate/King Street West CSO River Mersey 0 0h -
United Utilities Hope Street CSO River Mersey 0 0h -
United Utilities Travis Brow/Georges Road CSO River Mersey 0 0h -
United Utilities Newbridge Lane CSO River Goyt 0 0h -
United Utilities Stockport WwTW Heaton's Sewer CSO (STOCK) River Mersey 0 0h -
United Utilities Stockport Road West CSO River Goyt Via Sws 0 0h -
United Utilities Chestergate/King Street West CSO River Mersey 0 0h 0 h
United Utilities Brighton Road CSO River Mersey 0 0h -
United Utilities Heaton Moor CSO River Mersey 0 0h -
United Utilities Stockport Road/Essex Avenue CSO River Mersey Estuary Via Sws 0 0h -
United Utilities Carrington Road/Offerton Street CSO River Goyt 0 0h -
United Utilities Wellington Road South CSO River Mersey 0 0h -
United Utilities Newbridge Lane CSO River Goyt 0 0h -
United Utilities Avenue Street/Brewery Street CSO River Goyt 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.