Macclesfield was polluted by sewage 811 times in 2023
lasting 3,468 hours
- but monitoring was disabled in some locations, so could be more

© OpenStreetMap contributors
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 Macclesfield in 2023
18 Sites polluted by United Utilities
811 sewage dumps
3,468 h duration
That's 4.82 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 Macclesfield 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 2 of the total 20 CSO locations had reporting enabled for less than half the year, of which 2 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
United Utilities Bollinhurst Brook COPPICESIDE PS DISLEY 63 852 100
United Utilities River Bollin MACCLESFIELD WWTW 128 827 100
United Utilities River Goyt DISLEY PS 116 768 100
United Utilities River Dean 20 ADLINGTON ROAD CSO 90 370 100
United Utilities River Dean RIVER BANK CSO 94 178 98.5
United Utilities River Bollin WESTMINSTER ROAD CSO 82 140 79.2
United Utilities River Goyt WATERSIDE COMBINED SEWER OVERFLOW 14 68 98.5
United Utilities River Bollin ROEWOODS OUTFALL SEWER 43 56 97
United Utilities River Bollin HIBEL ROAD CSO 27075 30 56 94.8
United Utilities River Bollin CARTMEL CLOSE CSO 14 43 100
United Utilities River Dean ADLINGTON ROAD CSO (271A4) 37 39 100
United Utilities Harrop Brook PALMERSTON ST SHRIGLEY RD 272KZ 28 20 100
United Utilities Via Sws Manchester Ship Canal CITY RD CSO 288OV 10 20 100
United Utilities River Dean WATER STREET CSO 24 15 100
United Utilities Shoresclough Brook BANBURY CLOSE CSO 22 7 100
United Utilities River Bollin WATERS GREEN (DAMS VALLEY) CSO 11 2 99.5
United Utilities Poynton Brook Via Sws BARNABY RD CSO 1 0 100
United Utilities River Dean ALLEN ST/LORD ST CSO 4 0 100
United Utilities River Bollin CSO AT 18/20 BEECH FARM DRIVE 0 0 0
United Utilities River Bollin BEECH BRIDGE SOUTH CSO 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.