Ashton-under-Lyne was polluted by sewage 815 times in 2023
lasting 3,561 hours
- but monitoring was disabled in some locations, so could be more

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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 Ashton-under-Lyne in 2023
14 Sites polluted by Severn Trent Water, United Utilities
815 sewage dumps
3,561 h duration
That's 4.95 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 Ashton-under-Lyne 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 1 of the total 16 CSO locations had reporting enabled for less than half the year, of which 1 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
United Utilities Taunton BROADOAK/LYDHURST AVE 158 1,581 44.7
United Utilities Unknown CLAYTON BRIDGE 99 662 100
United Utilities River Tame TURNER LANE/ALEXANDRA ROAD 123 412 100
United Utilities River Medlock FAILSWORTH WWTW 60 215 100
United Utilities River Tame POTTINGER ST/OXFORD ST 84 168 99.3
United Utilities River Medlock 250M OF ASHTON ROAD BARDSLEY PS CSO 52 145 100
United Utilities Lumb Brook CHAPPELL ROAD CSO 75 142 100
United Utilities River Tame LOWER WHARF STREET CSO 442EC 96 142 100
United Utilities Taunton Brook, Medlock NEWMARKET RD PS 41 78 71.7
United Utilities Lumb Brook Via Surface Wtr Sew MEDLOCK SPORTS CENTRE CSO 11 8 100
United Utilities Downshaw Brook GAMBREL BANK ROAD CSO 441U7 8 1 100
United Utilities Smallshaw Brook GREEN LANE LYNDHURST AVE CSO 3 0 100
Severn Trent Water Smestow Brook Via Sws PARK CRESCENT CSO 4 0 100
United Utilities Smallshaw Brook Via Sws GREENWOOD AVE PLATT AVE CSO 441XE 1 0 100
United Utilities Lords Brook HOLT LANE FAILSWORTH SSO 0 0 100
United Utilities Cock Brook ARGYL STREET 0 0 0

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.