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Polluted by sewage 688 times in 2024 lasting 3,402 hours
So far this year (as of May 21, 2025, 1:45 PM) there has been 815 hours of sewage overflows
Your local MP is Tim Roca (Labour) - Find out more about their interests, donors, and voting at They Work For You
We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Macclesfield, 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.
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Donate NowHere are all the reported sewage overflow totals for Macclesfield 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 Bollin | MACCLESFIELD WWTW | 140 | 1,851 | 100 |
| United Utilities | River Goyt | DISLEY PS | 88 | 503 | 100 |
| United Utilities | River Bollin | CSO AT 18/20 BEECH FARM DRIVE | 73 | 379 | 82.9 |
| United Utilities | River Bollin | WESTMINSTER ROAD CSO | 77 | 145 | 100 |
| United Utilities | River Dean | 20 ADLINGTON ROAD CSO | 64 | 102 | 95.5 |
| United Utilities | River Dean R Bollin | RAINOW PUMPING STATION | 26 | 98 | 96.5 |
| United Utilities | River Dean | RIVER BANK CSO | 61 | 92 | 76.2 |
| United Utilities | River Bollin | HIBEL ROAD CSO 27075 | 15 | 55 | 100 |
| United Utilities | River Bollin | ROEWOODS OUTFALL SEWER | 30 | 49 | 95.5 |
| United Utilities | River Dean | ADLINGTON ROAD CSO (271A4) | 36 | 43 | 99.4 |
| United Utilities | Via Sws Manchester Ship Canal | CITY RD CSO 288OV | 11 | 27 | 99.3 |
| United Utilities | Harrop Brook | PALMERSTON ST SHRIGLEY RD 272KZ | 29 | 22 | 99.1 |
| United Utilities | River Dean | WATER STREET CSO | 16 | 13 | 99.4 |
| United Utilities | Poynton Brook Via Sws | BARNABY RD CSO | 3 | 7 | 99.3 |
| United Utilities | River Bollin | BEECH BRIDGE SOUTH CSO | 2 | 7 | 75 |
| United Utilities | River Bollin | WATERS GREEN (DAMS VALLEY) CSO | 6 | 1 | 99.7 |
| United Utilities | Shoresclough Brook | BANBURY CLOSE CSO | 3 | 0 | 99.3 |
| United Utilities | River Dean | ALLEN ST/LORD ST CSO | 3 | 0 | 99.2 |
| United Utilities | River Goyt | WATERSIDE COMBINED SEWER OVERFLOW | 2 | 0 | 98.8 |
| United Utilities | River Bollin | CARTMEL CLOSE CSO | 3 | 0 | 99 |
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.
Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org