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Chorley was polluted by sewage 1,570 times in 2023
lasting 8,144 hours

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Constituency

✔ means we have experimental daily data since 2023

Totals for Chorley in 2023

30 Sites polluted by United Utilities

1,570 sewage dumps
8,144 h duration

That's 11.31 months. On average 4.3 times a day

Change Over Time

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Constituencies near Chorley

Waterways in Chorley

Pollution Summary 2023

Here are all the reported sewage overflow totals for Chorley 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 0 of the total 32 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
United Utilities	Kyln Clough, R Lostock	WITHNELL FOLD NETWORK PUMPING STATI	172	2,833	100
United Utilities	Clancutt Brook	MAVIS DRIVE	142	1,013	100
United Utilities	River Douglas	NR HARRISONS FARM	69	586	95.4
United Utilities	River Yarrow	COPPULL NEW RD/BUTTERWORTH RD CSO	110	439	100
United Utilities	River Roddlesworth	ABBEY VILLAGE PUMPING STATION	53	381	100
United Utilities	Black Brook River Yarrow	BAGANLEY FROOM CSO 121CW	62	367	100
United Utilities	River Yarrow	CHORLEY LOWER WORKS PS	45	299	100
United Utilities	Sws To River Yarrow	CLOVER ROAD BUTTERWORTH BROW CSO	95	290	99.9
United Utilities	River Yarrow	ADJ DUXBURY MILL P.S. CSO ID 12006	82	251	100
United Utilities	Kenyon Brook	OFF BRIDGE ST	18	250	100
United Utilities	River Chor	O/S 8 HARDY DRIVE CSO	126	234	100
United Utilities	Chapel Brook	EARLS WAY CSO 12066	83	222	36.8
United Utilities	River Yarrow	CHORLEY WASTE WATER TREATMENT WORKS	36	193	96.9
United Utilities	Brinscall Brook	LODGE BANK PUMPING STN	25	146	100
United Utilities	Black Brook	COWLING BROW CSO CHORL	57	121	100
United Utilities	Bow Brook	LANCASTER LANE CSO 12045	63	87	100
United Utilities	River Lostock	KERN MILL LANE CSO 122BI	36	81	100
United Utilities	River Douglas	HARRISON ROAD WAGON AND HORSE CSO	44	79	94.6
United Utilities	River Yarrow	CLOVER ROAD PUMPING STATION	17	52	100
United Utilities	Plock Wood Stream	EAVES GREEN RD CSO	43	52	100
United Utilities	Tanyard Brook	HEWLETT AVENUE CSO	41	49	99
United Utilities	River Yarrow	MOOR ROAD EAVES GREEN RD CSO 122GB	62	41	100
United Utilities	River Douglas	GRIMEFORD LANE PS 12007	13	25	100
United Utilities	River Yarrow	EAVES GREEN RD CSO	25	18	100
United Utilities	River Chor	LYDD GROVE PS	12	10	100
United Utilities	Clvrted River Chor	96 COLLINGWOOD ROAD CSO 121PB	25	8	100
United Utilities	River Yarrow	LIMBRICK PUMPING STATION	9	3	100
United Utilities	River Chor Diversion Channel	COMMON BANK LANE CSO CHORL	2	0	100
United Utilities	River Chor River Yarrow	PARKLANDS CSO 123JR CHR0015	2	0	100
United Utilities	Black Brook, R Yarrow	HEAPEY ROAD CSO 121YP	1	0	100
United Utilities	Ransnap Brook	GLENCROFT PUMPING STATION	0	0	96.1
United Utilities	River Chor	FRIDAY STREET CSO 121UY	0	0	96.3

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.

Analysing sewage pollution by the Water Industry

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