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Macclesfield

Polluted by sewage 484 times in 2025 lasting 1,407 hours

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© Top of the Poops 2021-2024

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Live data for Macclesfield in 2026

So far this year (as of 25 Oct 2026, 11:00) there has been 593 hours of sewage overflows, from 34 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Sewage without rain in Macclesfield

On 3 occasions since December 2024, no rain fell anywhere in Macclesfield for days — and its CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s discharged anyway.

Totals for Macclesfield in 2025

19 Sites polluted by United Utilities
484 sewage dumps
1,407 hours duration
That's 1.95 months. On average 1.3 times a day

Change Over Time

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Sewage pollution map of Macclesfield: 484 spills in 2025, lasting 1,407 hours, by United Utilities
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Pollution Summary 2025

Here 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

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. Live sewage data from Stream Water API

Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.

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.