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Barnsley

Polluted by sewage 511 times in 2025 lasting 2,356 hours

Monitoring fell below 50% in some locations so could be more

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Totals for Barnsley in 2025

25 Sites polluted by Yorkshire Water

511 sewage dumps

2,356 hours duration

That's 3.27 months. On average 1.4 times a day

Change Over Time

Constituency for Barnsley

Nearby Constituencies

Waterways in Barnsley

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Barnsley 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 place 1 of the total 29 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway locations had reporting enabled for less than half the year.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Yorkshire Water	River Dearne	LUNDWOOD WWTW	71	864	100
Yorkshire Water	River Dearne	CUDWORTH WWTW	30	265	99.4
Yorkshire Water	Sough Dyke	LAMBRA ROAD CSO	53	218	100
Yorkshire Water	River Dearne	LUNDWOOD SEWAGE PUMPING STATION	33	143	100
Yorkshire Water	Red Brook	REDBROOK ROAD CSO	35	140	100
Yorkshire Water	Dyke To River Dearne	CARR GREEN CSO	33	107	100
Yorkshire Water	Clvrt River Dearne	STAIRFOOT GRANGE CSO	30	104	74.4
Yorkshire Water	Worsborough Reservoir	GENN LANE CSO	29	95	96.3
Yorkshire Water	Measborough Dike	BALLOTINI WORKS CSO	36	90	100
Yorkshire Water	River Dearne	SMITHIES LANE CSO	31	79	100
Yorkshire Water	Clvrt Dodworth Dyke	KERESFORTH ROAD CSO	21	61	100
Yorkshire Water	Small Bridge Dyke	CUDWORTH SPS	9	38	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	Sough Dyke	PONTEFRACT ROAD CSO	27	30	99.8
Yorkshire Water	River Dearne	KENDRAY DONCASTER ROAD CSO	16	30	100
Yorkshire Water	Small Bridge Dike	KLONDYKE SPS	7	13	100
Yorkshire Water	Shaw Dyke	ROYSTON (CARLTON-SHAW LANE)	1	2	100
Yorkshire Water	Dob Sike	BANK END AVENUE CSO	5	2	100
Yorkshire Water	Small Bridge Dike	CARRS LANE CUDWORTH	3	1	100
Yorkshire Water	River Dearne	LAMBERT ROAD, KENDRAY CSO	2	0	87.4
Yorkshire Water	River Dearne	REGENT STREET	3	0	100
Yorkshire Water	River Dove	STAIRFOOT SPS	2	0	100
Yorkshire Water	Cudworth Dyke	LAITHES LANE CSO	1	0	82.7
Yorkshire Water	River Dove	WEST STREET WORSBROUGH CSO	1	0	100
Yorkshire Water	To River Dearne	HILL TOP FARM CSO	0	0	49.4
Yorkshire Water	River Dearne	NEW LODGE CSO	0	0	100
Yorkshire Water	River Dearne	BIRK ROAD, KENDRAY CSO	0	0	100
Yorkshire Water	Snape Dike	WESTFIELDS CSO	0	0	64

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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