Top of the Poops | Constituency | Ashton-under-Lyne| Polluted by Severn Trent Water, United Utilities

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✔ means we have experimental daily data since 2023

Live data for Ashton-under-Lyne in 2025

So far this year (as of May 29, 2025, 1:45 AM) there has been 1,082 hours of sewage overflows

Totals for Ashton-under-Lyne in 2024

21 Sites polluted by Severn Trent Water, United Utilities

843 sewage dumps

3,807 hours duration

That's 5.29 months. On average 2.3 times a day

Change Over Time

Take Action

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

Constituencies near Ashton-under-Lyne

Waterways in Ashton-under-Lyne

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Ashton-under-Lyne, 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 Ashton-under-Lyne 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 Tame	ASHTON-UNDER-LYNE STW	82	744	100
United Utilities	River Tame	DUKINFIELD WWTW	90	740	100
United Utilities	Unknown	CLAYTON BRIDGE	65	530	100
United Utilities	River Tame	TURNER LANE/ALEXANDRA ROAD	108	338	99.6
United Utilities	River Tame	BROOMSTAIR ROAD CSO	47	293	98.2
United Utilities	River Tame	WHARF STREET CSO 44184	59	217	100
United Utilities	Taunton	BROADOAK/LYDHURST AVE	71	170	98.5
United Utilities	River Tame	POTTINGER ST/OXFORD ST	60	166	100
United Utilities	River Medlock	250M OF ASHTON ROAD BARDSLEY PS CSO	28	160	100
United Utilities	River Tame	LOWER WHARF STREET CSO 442EC	77	124	98.4
United Utilities	Lumb Brook	CHAPPELL ROAD CSO	47	110	100
United Utilities	Taunton Brook, Medlock	NEWMARKET RD PS	30	74	100
United Utilities	Gore Brook	LUMB LANE (AUDENSHAW) CSO & DET TNK	13	55	100
United Utilities	River Tame Via Sws	EDWARD STREET	17	23	99.4
United Utilities	Moss Brook Via Sws	MANSHAW ROAD CSO	5	15	100
United Utilities	Downshaw Brook	GAMBREL BANK ROAD CSO 441U7	15	14	99.1
United Utilities	Lumb Brook Via Surface Wtr Sew	MEDLOCK SPORTS CENTRE CSO	8	8	100
United Utilities	Smallshaw Brook	GREEN LANE LYNDHURST AVE CSO	8	7	99.2
United Utilities	River Tame	DUKINFIELD OUTFALL SEWER CSO 441SM	8	6	99.5
United Utilities	Smallshaw Brook Via Sws	GREENWOOD AVE PLATT AVE CSO 441XE	4	4	98.7
Severn Trent Water	Smestow Brook Via Sws	PARK CRESCENT CSO	1	0	100
United Utilities	Cock Brook	ARGYL STREET	0	0	80.5

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

Ashton-under-Lyne Polluted by sewage 843 times in 2024 lasting 3,807 hours

Ashton-under-Lyne