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Polluted by sewage 484 times in 2025 lasting 1,407 hours
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Donate NowHere are all the reported sewage overflow totals for Macclesfield 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 constituency 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 Goyt | DISLEY PS | 86 | 457 | 100 |
| United Utilities | River Bollin | MACCLESFIELD WWTW | 56 | 373 | 98.9 |
| United Utilities | River Dean | RIVER BANK CSO | 69 | 145 | 99.7 |
| United Utilities | River Bollin | CSO AT 18/20 BEECH FARM DRIVE | 66 | 119 | 99.9 |
| United Utilities | River Bollin | WESTMINSTER ROAD CSO | 61 | 95 | 100 |
| United Utilities | River Bollin | HIBEL ROAD CSO 27075 | 18 | 56 | 100 |
| United Utilities | River Bollin | ROEWOODS OUTFALL SEWER | 31 | 42 | 88.1 |
| United Utilities | Via Sws Manchester Ship Canal | CITY RD CSO 288OV | 9 | 30 | 99.9 |
| United Utilities | Poynton Brook Via Sws | BARNABY RD CSO | 5 | 21 | 98.6 |
| United Utilities | River Dean | WATER STREET CSO | 22 | 16 | 100 |
| United Utilities | Harrop Brook | PALMERSTON ST SHRIGLEY RD 272KZ | 23 | 16 | 99.9 |
| United Utilities | River Dean | ADLINGTON ROAD CSO (271A4) | 7 | 14 | 96.3 |
| United Utilities | River Dean | 20 ADLINGTON ROAD CSO | 8 | 9 | 99.2 |
| United Utilities | River Bollin | CARTMEL CLOSE CSO | 9 | 3 | 100 |
| United Utilities | Shoresclough Brook | BANBURY CLOSE CSO | 5 | 2 | 99.2 |
| United Utilities | River Bollin | WATERS GREEN (DAMS VALLEY) CSO | 5 | 1 | 100 |
| United Utilities | River Dean | ALLEN ST/LORD ST CSO | 2 | 1 | 91.9 |
| United Utilities | River Goyt | WATERSIDE COMBINED SEWER OVERFLOW | 1 | 0 | 97.4 |
| United Utilities | River Bollin | BEECH BRIDGE SOUTH CSO | 1 | 0 | 99.8 |
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.
press [at] top-of-the-poops.org