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Spen Valley was polluted by sewage 714 times in 2023
lasting 4,242 hours

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Constituency

✔ means we have experimental daily data since 2023

Totals for Spen Valley in 2023

21 Sites polluted by Yorkshire Water

714 sewage dumps
4,242 h duration

That's 5.89 months. On average 2 times a day

Change Over Time

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Constituencies near Spen Valley

Waterways in Spen Valley

Pollution Summary 2023

Here are all the reported sewage overflow totals for Spen Valley 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 23 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 %
Yorkshire Water	River Calder And River Spen	SPENBOROUGH SPS STORM TANK SITE	141	1,530	99.85
Yorkshire Water	River Colne	BOG GREEN LANE	108	956	86.9
Yorkshire Water	River Spen	HECKMONDWIKE NO 2 CSO	47	503	100
Yorkshire Water	River Spen	MORRISONS CAR PARK CSO	88	401	100
Yorkshire Water	River Spen	ST PEG LANE CSO	54	303	100
Yorkshire Water	Nutter Beck	BIRKENSHAW CSO	18	104	96
Yorkshire Water	River Spen	LISTING MILL FARM CSO	49	93	90.2
Yorkshire Water	Hunsworth Upper Lane Beck	HUNSWORTH LANE NO 2 CSO	33	86	53.7
Yorkshire Water	Lodge Beck	EAST BIERLEY CSO	31	63	75.1
Yorkshire Water	Smithies Beck	SMITHIES MOOR LANE, BIRSTALL CSO	4	62	97.3
Yorkshire Water	Hunsworth Beck	NORTH BIERLEY CSO	17	43	100
Yorkshire Water	River Spen	CHAPEL LANE NO 2 CSO	35	36	71.5
Yorkshire Water	Culverted Spen River	HIGH STREET HECKMONDWIKE NO 2 CSO	48	20	100
Yorkshire Water	High Royds Beck	RAIKES LANE CSO	12	14	99.9
Yorkshire Water	Smithies Beck	BIRSTALL CSO	14	14	100
Yorkshire Water	River Calder	NEWGATE CSO	1	4	68.6
Yorkshire Water	Wormalds Drain	OLD LANE NO 2 CSO	5	2	99.9
Yorkshire Water	Syke Beck	HIGHTOWN ROAD CSO	5	1	99.6
Yorkshire Water	River Spen	BALME ROAD NO 2 CSO	2	0	100
Yorkshire Water	River Spen	BATLEY ROAD NO 2 CSO	1	0	96.7
Yorkshire Water	Unna. Cul. Of Spen River	HECK CEMETERY ROAD NO 2 CSO	1	0	100
Yorkshire Water	Helliwell Syke	HELLIWELL SYKE CSO	0	0	100
Yorkshire Water	River Spen	WHITEHALL ROAD CSO	0	0	100

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

With generous support from:

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