Top of the Poops | Waterway | River Dearne | Polluted by Yorkshire Water

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Totals for River Dearne in 2025

28 Sites polluted by Yorkshire Water

773 sewage dumps
4,850 h duration

That's 6.74 months. On average 2.1 times a day

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Constituencies along River Dearne

Places along River Dearne

Pollution Summary 2025

Here are all the reported sewage overflow totals for River Dearne in 2025. Sometimes sewage can be being dumped for months at a time.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Yorkshire Water	River Dearne	CLAYTON WEST WWTW	75	1,074	100
Yorkshire Water	River Dearne	LUNDWOOD WWTW	71	864	100
Yorkshire Water	River Dearne	CUCKSTOOL BOTTOM CSO	57	325	100
Yorkshire Water	River Dearne	DARTON WWTW	40	324	99.8
Yorkshire Water	River Dearne	BOLTON ON DEARNE STW	49	323	99.75
Yorkshire Water	River Dearne	DARFIELD WWTW	45	268	100
Yorkshire Water	River Dearne	BIRDS EDGE CSO	40	268	98.8
Yorkshire Water	River Dearne	CUDWORTH WWTW	30	265	99.4
Yorkshire Water	River Dearne	PARK MILL CSO	43	211	100
Yorkshire Water	River Dearne	LUNDWOOD SEWAGE PUMPING STATION	33	143	100
Yorkshire Water	River Dearne	BARNBURGH STW	17	142	72.4
Yorkshire Water	River Dearne	RIVERSIDE CLOSE DARFIELD CSO	27	110	98
Yorkshire Water	River Dearne	PINFOLD LANE RECREATION CSO	42	90	100
Yorkshire Water	River Dearne	DEARNE HALL ROAD CSO	25	82	100
Yorkshire Water	River Dearne	SMITHIES LANE CSO	31	79	100
Yorkshire Water	River Dearne	DARTON CHURCH STREET CSO	26	62	100
Yorkshire Water	River Dearne	PASTURES ROAD SPS	9	51	100
Yorkshire Water	River Dearne	BARNSLEY MFI CSO	15	36	94.1
Yorkshire Water	River Dearne	OLD MILL LANE CSO	17	30	100
Yorkshire Water	River Dearne	KENDRAY DONCASTER ROAD CSO	16	30	100
Yorkshire Water	River Dearne	HAIGH STW	3	23	100
Yorkshire Water	River Dearne	EDDERTHORPE LNE & NANNY MARR RD CSO	21	15	100
Yorkshire Water	River Dearne	EDDERTHORPE LNE & NANNY MARR RD CSO	16	9	99.9
Yorkshire Water	River Dearne	HARLINGTON ROAD CSO	15	9	100
Yorkshire Water	River Dearne	CATCH BAR CSO	4	7	97.5
Yorkshire Water	River Dearne	LAMBERT ROAD, KENDRAY CSO	2	0	87.4
Yorkshire Water	River Dearne	REGENT STREET	3	0	100
Yorkshire Water	River Dearne	SPRING GROVE CSO	1	0	100
Yorkshire Water	River Dearne	NEW LODGE CSO	0	0	100
Yorkshire Water	River Dearne	BIRK ROAD, KENDRAY CSO	0	0	100
Yorkshire Water	River Dearne	DARFIELD DONCASTER ROAD CSO	0	0	92.7
Yorkshire Water	River Dearne	MEXBOROUGH EAST CSO	0	0	100
Yorkshire Water	River Dearne	TOWN FARM 4 CSO	0	0	93.2
Yorkshire Water	River Dearne	WAKEFIELD ROAD SCISSET CSO	0	0	95.7

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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