Top of the Poops | Constituency Sewage Map | Heywood and Middleton North

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Live data for Heywood and Middleton North in 2026

So far this year (as of 18 May 2026, 12:00) there has been 922 hours of sewage overflows, from 57 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for Heywood and Middleton North in 2025

24 Sites polluted by United Utilities

703 sewage dumps

3,221 hours duration

That's 4.47 months. On average 1.9 times a day

Change Over Time

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Constituencies near Heywood and Middleton North

Waterways in Heywood and Middleton North

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Heywood and Middleton North 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 Roch	ROCHDALE WWTW	104	1,503	100
United Utilities	Trub Brook River Irwell	CASTLETON WWTW CSTLT	45	317	100
United Utilities	River Roch	HEYWOOD (BOTANY STW) CSO	35	240	99.9
United Utilities	River Roch	SUDDEN VALLEY SEWER	83	235	100
United Utilities	River Roch	HOOLEY BRIDGE CSO	39	140	99.6
United Utilities	River Spodden	SPOTLAND BRIDGE CSO 35035	51	127	99.7
United Utilities	River Irk	WOOD STREET CSO	58	126	93.1
United Utilities	Trub Brook	CASTLETON SOUTH JUNCTION CSO	40	122	96
United Utilities	River Roch	PEEL LANE CSO NO. 1	43	92	99.9
United Utilities	Unknown	NORDEN/BAMFORD OUTFALL SEWER	22	73	99.6
United Utilities	River Roch	PEEL LANE NO 2 CSO	35	69	99.7
United Utilities	Trub Brook River Irk	WAVERLEY RD CSO 352W4	32	33	100
United Utilities	Whittle Brook	MIDDLETON RD PS	5	32	100
United Utilities	Whit Brook	BOARSHAW ROAD CSO	32	25	99.3
United Utilities	Clv Whit Brook	FIELDING STREET CSO (ROC0193)	5	21	96.2
United Utilities	Millers Brook Via Sws	JOHN STREET CSO 35020	20	18	99.7
United Utilities	River Roch	WATERFOLD LANE CSO	30	14	96.3
United Utilities	River Irk	SPRING VALE COMBINED SEWER OVERFLOW	9	13	97.5
United Utilities	Healey Dell	ROOLEY MOOR RD W51	7	8	91.2
United Utilities	Naden Brook	EDENFIELD ROAD CSO	1	3	100
United Utilities	Clvrt'D Section River Irk	LONG STREET COMBINED SEWER OVERFLOW	3	1	100
United Utilities	Whit Brook, River Irk	BOARDSHAW ROAD CSO	2	0	100
United Utilities	Naden Brook R Roch	745 EDENFIELD ROAD CSO	1	0	100
United Utilities	Whittle Brook Via Sws	MIDDLETON ROAD CSO	1	0	100
United Utilities	Whit Brook	JOHN LEE FOLD CSO	0	0	97.8
United Utilities	Unknown	MARLAND HILL SSO	0	0	99
United Utilities	River Spodden	MELLOR STREET CSO	0	0	100
United Utilities	Trub Brook Via Sws	TINTERN ROAD (OFF THE LAND) CSO	0	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

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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