Top of the Poops | Constituency Sewage Map | Mid Cheshire

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Live data for Mid Cheshire in 2026

So far this year (as of 18 May 2026, 12:00) there has been 569 hours of sewage overflows, from 92 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for Mid Cheshire in 2025

35 Sites polluted by United Utilities

869 sewage dumps

2,581 hours duration

That's 3.58 months. On average 2.4 times a day

Change Over Time

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Constituencies near Mid Cheshire

Waterways in Mid Cheshire

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Mid Cheshire 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 Weaver	MEADOWBANK/BRADFORD RD PS	69	656	99.9
United Utilities	River Weaver	NORTHWICH WWTW	39	291	100
United Utilities	River Dane Via Sws	MARLOWE ROAD (PLAYING FIELDS) CSO	69	233	98.9
United Utilities	River Weaver	WINSFORD WASTEWATER TREATMENT WORKS	44	196	99.9
United Utilities	Wade Brook	102 MIDDLEWICH ROAD CSO	62	126	96.4
United Utilities	River Weaver	GREENBANK LANE CSO NORTHWICH	40	117	100
United Utilities	River Croco	GASWORKS YARD PUMPING STATION	49	103	100
United Utilities	River Weaver	WEIR STREET COMBINED SEWER OVERFLOW	24	98	95.9
United Utilities	Peckmill Bk	MERE HEATH PUMPING STATION	18	91	100
United Utilities	Eldersbriar Brook	OUTSIDE 51 CHURCH STREET CSO 471JC	52	82	97.9
United Utilities	River Dane Via Sws	MIDDLEWICH RD/PARKFIELD RD CSO	56	80	88.5
United Utilities	River Croco	WARDLE BRIDGE PUMPING STATION	28	67	100
United Utilities	River Weaver	WINSFORD HILL STREET	16	63	99.9
United Utilities	Weaver Navigation	NAVIGATION ROAD CSO (472HN)	58	62	99.9
United Utilities	Rilshaw Brook	RILSHAW LANE	21	54	99.4
United Utilities	Peckmill Brook Via Sws	REAR MEADOW LANE CSO	33	50	67.3
United Utilities	River Dane	OFF CARLTON ROAD CSO	38	28	96.6
United Utilities	Handforth Brook Via Sws	310-314 CHESTER ROAD CSO	9	27	97.3
United Utilities	River Weaver	WINNINGTON STREET CSO 472YM	12	27	99.5
United Utilities	River Dane	MANORA ROAD (DANE NURSERIES) CSO	22	27	99.8
United Utilities	River Wheelock Via Sws	ST MICHAELS WAY CSO	39	25	99.4
United Utilities	Unknown	BARONS QUAY PS	3	18	100
United Utilities	Weaver Navigation	OFF SCHOOL LANE CSO (472JI)	3	16	94.3
United Utilities	River Dane Via Sws	230 LONDON ROAD CSO	21	13	99.8
United Utilities	River Weaver Via Sws	O/S 90 QUEENSWAY CSO	9	5	88
United Utilities	Wade Brook	O/S 173 MIDDLEWICH RD	5	3	99.7
United Utilities	Wade Brook	O/S 49 EDWARD ST	3	2	97.1
United Utilities	Weaver Navigation Via Sws	SPENCER STREET/DARWIN STREET CSO	8	2	100
United Utilities	River Weaver	DOCK ROAD SPS	3	2	100
United Utilities	Peckmill Brook	OFF JACK LANE	6	1	100
United Utilities	River Weaver	SCHOOL LANE/LODGE LANE CSO	2	1	99.3
United Utilities	River Dane Via Sws	181 LONDON ROAD CSO	5	1	96.6
United Utilities	Wade Brook Via Sws	REAR OF 36 PETER STREET	1	0	99.9
United Utilities	Unknown	CASTLE ST	1	0	99.9
United Utilities	River Wheelock	NANTWICH ROAD CHESTER RD CSO 131J6	1	0	99.3
United Utilities	Unknown	CHESTER WAY	0	0	100
United Utilities	River Weaver	CHURCH ST	0	0	100
United Utilities	Eldersbriar Brook	CHURCH STREET CSO	0	0	99.5
United Utilities	Culvert Dene Brook Viasws	DEAN STREET CSO (471RJ)	0	0	97.2
United Utilities	Bogart Brook	MARTON NORTH WWTW	0	0	85.9
United Utilities	River Weaver Via Culvert	OFF JOHN ST CSO (472JC)	0	0	99.9
United Utilities	Pettypool Brook	WHITEGATE WWTW	0	0	99.9

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

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.

Analysing sewage pollution by the Water Industry

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