Stockport was polluted by sewage 788 times in 2023
lasting 2,152 hours

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
✔ means we have experimental daily data since 2023
Totals for Stockport in 2023
21 Sites polluted by United Utilities
788 sewage dumps
2,152 h duration
That's 2.99 months. On average 2.2 times a day
Change Over Time
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Pollution Summary 2023

Here are all the reported sewage overflow totals for Stockport in 2023. 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 0 of the total 24 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
United Utilities River Mersey STOCKPORT WWTW 169 1,019 100
United Utilities River Tame PENNY LANE GRIMESBOTTOM CSO 43122 66 439 58.1
United Utilities River Mersey TRAVIS BROW/GEORGES ROAD CSO 110 213 99.3
United Utilities River Mersey WELLINGTON ROAD SOUTH CSO 86 186 100
United Utilities River Mersey THE CIRCUIT CSO 432UT 68 78 97
United Utilities River Mersey PRINCES STREET CSO 73 42 100
United Utilities River Mersey BRIGHTON ROAD CSO 51 31 100
United Utilities Clvrt Section Of River Mersey GREAT UNDERBANK CSO 43200 STK0039 29 30 76.5
United Utilities River Goyt NEWBRIDGE LANE CSO 6 26 97
United Utilities River Mersey Estuary Via Sws STOCKPORT RD ESSEX AVE CSO 432SK 35 26 61.6
United Utilities River Mersey HEATON MOOR CSO 431YX 27 25 100
United Utilities River Goyt AVENUE ST BREWERY ST CSO 23 18 100
United Utilities River Mersey CHESTERGATE CSO 431A3 5 6 100
United Utilities River Tame BRINNINGTON RISE CSO 431GD 8 4 100
United Utilities River Mersey 95/97 CRAIG ROAD HEATON MERSEY CSO 6 1 100
United Utilities River Goyt CARRINGTON RD/OFFERTON ST 16 0 97.5
United Utilities River Mersey CHESTERGATE/KING STREET WEST CSO 3 0 100
United Utilities River Mersey BRINKSWAY BRIDGE/GVILLE STREET CSO 2 0 100
United Utilities River Goyt Via Sws LANCASTER STREET CSO 432CD 1 0 100
United Utilities River Goyt NEWBRIDGE LN CROMER ST CSO 432HT 2 0 100
United Utilities River Goyt Via Sws JUNC STRINGER ST/NEW BRIDGE LN CSO 2 0 100
United Utilities River Mersey 103 BRINKSWAY/LARK HILL 0 0 100
United Utilities River Goyt NEWBRIDGE LANE CSO 0 0 100
United Utilities River Goyt JUNC STRINGER ST/NEW BRIDGE LN CSO 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. 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.