Mid Cheshire was polluted by sewage 1,542 times in 2023
lasting 6,232 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 Mid Cheshire in 2023
33 Sites polluted by United Utilities
1,542 sewage dumps
6,232 h duration
That's 8.66 months. On average 4.2 times a day
Change Over Time
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Pollution Summary 2023

Here are all the reported sewage overflow totals for Mid Cheshire 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 3 of the total 44 CSO locations had reporting enabled for less than half the year, of which 3 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
United Utilities Unknown CHESTER WAY 208 2,065 97.4
United Utilities River Weaver NORTHWICH WWTW 102 1,152 72.85
United Utilities River Weaver MEADOWBANK/BRADFORD RD PS 83 707 99.9
United Utilities River Weaver WINSFORD WASTEWATER TREATMENT WORKS 80 440 98.3
United Utilities River Dane MARLOWE ROAD (PLAYING FIELDS) CSO 92 284 99.7
United Utilities Wade Brook 102 MIDDLEWICH ROAD CSO 98 250 100
United Utilities Unknown NANTWICH ROAD CHESTER RD CSO 131J6 64 187 99.6
United Utilities River Weaver GREENBANK LANE CSO NORTHWICH 62 146 100
United Utilities River Croco WARDLE BRIDGE PUMPING STATION 46 121 100
United Utilities Eldersbriar Brook OUTSIDE 51 CHURCH STREET CSO 471JC 67 111 100
United Utilities River Dane Via Sws MIDDLEWICH RD/PARKFIELD RD CSO 73 96 100
United Utilities Course RILSHAW LANE 52 96 100
United Utilities River Dane Via Sws 181 LONDON ROAD CSO 84 85 100
United Utilities Handforth Brook Via Sws 310-314 CHESTER ROAD CSO 20 81 100
United Utilities Weaver Navigation NAVIGATION ROAD CSO (472HN) 88 79 100
United Utilities River Croco GASWORKS YARD PUMPING STATION 39 71 100
United Utilities River Weaver WINSFORD HILL STREET 23 69 100
United Utilities River Dane MANORA ROAD (DANE NURSERIES) CSO 70 64 100
United Utilities River Dane OFF CARLTON ROAD CSO 54 41 100
United Utilities River Weaver CHURCH ST 3 19 100
United Utilities River Wheelock Via Sws ST MICHAELS WAY CSO 34 14 100
United Utilities River Dane Via Sws 230 LONDON ROAD CSO 29 12 100
United Utilities River Weaver Via Sws O/S 90 QUEENSWAY CSO 20 9 100
United Utilities River Wheelock 5 CROXTON RD PS 11 9 97.7
United Utilities River Weaver Via Culvert OFF JOHN ST CSO (472JC) 5 4 100
United Utilities River Weaver WINNINGTON STREET CSO 472YM 12 2 100
United Utilities Weaver Navigation Via Sws SPENCER STREET/DARWIN STREET CSO 9 1 100
United Utilities Culvert Dene Brook Viasws DEAN STREET CSO (471RJ) 4 0 100
United Utilities River Wheelock NANTWICH ROAD CHESTER RD CSO 131J6 4 0 100
United Utilities River Weaver DOCK ROAD SPS 1 0 100
United Utilities Peckmill Brook OFF JACK LANE 3 0 97.9
United Utilities Wade Brook O/S 49 EDWARD ST 1 0 100
United Utilities Wade Brook O/S 173 MIDDLEWICH RD 1 0 100
United Utilities Unknown BARONS QUAY PS 0 0 100
United Utilities Eldersbriar Brook CHURCH STREET CSO 0 0 100
United Utilities River Weaver SCHOOL LANE/LODGE LANE CSO 0 0 0
United Utilities Weaver Navigation OFF SCHOOL LANE CSO (472JI) 0 0 100
United Utilities Peckmill Brook Via Sws REAR MEADOW LANE CSO 0 0 99.5
United Utilities Unknown CASTLE ST 0 0 0
United Utilities Bogart Brook MARTON NORTH WWTW 0 0 100
United Utilities Peckmill Bk MERE HEATH PUMPING STATION 0 0 100
United Utilities River Weaver WEIR STREET COMBINED SEWER OVERFLOW 0 0 0
United Utilities Wade Brook Via Sws REAR OF 36 PETER STREET 0 0 100
United Utilities Pettypool Brook WHITEGATE WWTW 0 0 100

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.