Top of the Poops | Constituency | Stockport| Polluted by United Utilities

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Constituency

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✔ means we have experimental daily data since 2023

Live data for Stockport in 2025

So far this year (as of Apr 30, 2025, 9:30 AM) there has been 738 hours of sewage overflows

Totals for Stockport in 2024

20 Sites polluted by United Utilities

624 sewage dumps

1,532 hours duration

That's 2.13 months. On average 1.7 times a day

Change Over Time

Take Action

Your local MP is Navendu Mishra (Labour) - Find out more about their interests, donors, and voting at They Work For You

Constituencies near Stockport

Waterways in Stockport

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Stockport, here you can see overflows in red, the darker the red, the more the CSO overflowed that day.

Each CSO has a row, the most recent data is on the right hand side.

Monitoring Online

Monitoring Offline

Polluting

Potentially Polluting

Unknown

Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.

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Pollution Summary 2024

Here are all the reported sewage overflow totals for Stockport in 2024. 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 CSOs appeared to have monitoring enabled for more than 50% of the year

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
United Utilities	River Mersey	STOCKPORT WWTW	105	589	98.9
United Utilities	River Mersey	HOPE STREET COMBINED SEWER OVERFLOW	90	244	100
United Utilities	River Tame	PENNY LANE GRIMESBOTTOM CSO 43122	31	118	99.9
United Utilities	River Mersey	TRAVIS BROW/GEORGES ROAD CSO	70	117	99.7
United Utilities	River Mersey	WELLINGTON ROAD SOUTH CSO	57	105	99.9
United Utilities	River Mersey	THE CIRCUIT CSO 432UT	56	86	99.5
United Utilities	Clvrt Section Of River Mersey	GREAT UNDERBANK CSO 43200 STK0039	34	54	100
United Utilities	River Goyt	NEWBRIDGE LANE CSO	23	50	92.6
United Utilities	River Mersey	PRINCES STREET CSO	52	41	99
United Utilities	River Goyt	AVENUE ST BREWERY ST CSO	19	37	99.1
United Utilities	River Mersey	HEATON MOOR CSO 431YX	13	23	78.5
United Utilities	River Mersey Estuary Via Sws	STOCKPORT RD ESSEX AVE CSO 432SK	17	23	99.6
United Utilities	River Tame	BRINNINGTON RISE CSO 431GD	6	10	93.6
United Utilities	River Mersey	CHESTERGATE CSO 431A3	8	9	99.2
United Utilities	River Mersey	BRIGHTON ROAD CSO	16	7	99.5
United Utilities	River Goyt	CARRINGTON RD/OFFERTON ST	10	4	87.8
United Utilities	River Mersey	95/97 CRAIG ROAD HEATON MERSEY CSO	8	4	99.2
United Utilities	River Mersey	CHESTERGATE/KING STREET WEST CSO	4	1	98.6
United Utilities	River Mersey	BRINKSWAY BRIDGE/GVILLE STREET CSO	1	0	99.2
United Utilities	River Mersey	103 BRINKSWAY/LARK HILL	4	0	58.7
United Utilities	River Goyt	NEWBRIDGE LANE CSO	0	0	99.3
United Utilities	River Goyt Via Sws	LANCASTER STREET CSO 432CD	0	0	93
United Utilities	River Goyt	NEWBRIDGE LN CROMER ST CSO 432HT	0	0	99.1
United Utilities	River Goyt Via Sws	JUNC STRINGER ST/NEW BRIDGE LN CSO	0	0	99.6
United Utilities	River Goyt	JUNC STRINGER ST/NEW BRIDGE LN CSO	0	0	96.2

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. This 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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(C) 2020-2024 Top-Of-The-Poops CC-BY-SA 4.0,
(C) Openstreetmap contributors, Contains OS data © Crown copyright and database right 2021-2024,
Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis (C) 2024 Top-Of-The-Poops

Stockport Polluted by sewage 624 times in 2024 lasting 1,532 hours

Stockport