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Polluted by sewage 643 times in 2025 lasting 2,965 hours
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Donate NowHere are all the reported sewage overflow totals for Ashton-under-Lyne in 2025. 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 place all the declared CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s 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 | 77 | 811 | 99.9 |
| United Utilities | River Tame | DUKINFIELD WWTW | 103 | 745 | 100 |
| United Utilities | River Medlock | 250M OF ASHTON ROAD BARDSLEY PS CSO | 30 | 305 | 100 |
| United Utilities | River Tame | TURNER LANE/ALEXANDRA ROAD | 77 | 208 | 99.3 |
| United Utilities | River Tame | WHARF STREET CSO 44184 | 59 | 202 | 99.9 |
| United Utilities | River Tame | TAME STREET/PARK ROAD CSO | 50 | 178 | 86.3 |
| United Utilities | River Tame | POTTINGER ST/OXFORD ST | 55 | 120 | 99.1 |
| United Utilities | River Tame | LOWER WHARF ST/SCOTLAND ST | 60 | 110 | 100 |
| United Utilities | River Tame | LOWER WHARF STREET CSO 442EC | 66 | 103 | 98.5 |
| United Utilities | Gore Brook | LUMB LANE (AUDENSHAW) CSO & DET TNK | 9 | 73 | 99.9 |
| United Utilities | River Medlock Via Sws | COAL PIT LANE CSO | 15 | 42 | 100 |
| United Utilities | Downshaw Brook | GAMBREL BANK ROAD CSO 441U7 | 22 | 24 | 99.5 |
| United Utilities | River Tame | RASSBOTTOM STREET CSO | 3 | 11 | 98.6 |
| United Utilities | Smallshaw Brook | GREEN LANE LYNDHURST AVE CSO | 5 | 7 | 99.9 |
| United Utilities | Smallshaw Brook Via Sws | GREENWOOD AVE PLATT AVE CSO 441XE | 2 | 6 | 100 |
| United Utilities | River Tame | BINNS STREET CSO | 1 | 5 | 99.8 |
| United Utilities | River Tame | DUKINFIELD OUTFALL SEWER CSO 441SM | 5 | 5 | 86.4 |
| Severn Trent Water | Smestow Brook Via Sws | PARK CRESCENT CSO | 4 | 0 | 100 |
| United Utilities | Cock Brook | ARGYL STREET | 0 | 0 | 88.8 |
| United Utilities | Culvert To River Tame | HANOVER STREET CSO | 0 | 0 | 98.9 |
| United Utilities | River Tame | ST GEORGE STREET/HANOVER STREET CSO | 0 | 0 | 98 |
| United Utilities | River Tame Via A Culvert | STAMFORD GROVE CSO | 0 | 0 | 99.6 |
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
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.
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Get in touch if you have queries or want to discuss our data.
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