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Ossett and Denby Dale was polluted by sewage 1,930 times in 2023
lasting 13,601 hours - that's 1.57 years!
- but monitoring was disabled in some locations, so could be more

Select the constituency from the drop-down

Constituency

✔ means we have experimental daily data since 2023

Totals for Ossett and Denby Dale in 2023

44 Sites polluted by Yorkshire Water

1,930 sewage dumps
13,601 h duration

That's 1.57 years! On average 5.3 times a day

Change Over Time

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Constituencies near Ossett and Denby Dale

Waterways in Ossett and Denby Dale

Pollution Summary 2023

Here are all the reported sewage overflow totals for Ossett and Denby Dale 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 1 of the total 50 CSO locations had reporting enabled for less than half the year, of which 1 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Yorkshire Water	River Calder	HORBURY (DUDFLEET) STW	219	2,447	98.5
Yorkshire Water	Bretton Brook	WEST BRETTON STW	120	1,615	99.8
Yorkshire Water	River Dearne	CLAYTON WEST WWTW	111	1,386	100
Yorkshire Water	Totty Beck	WOOLLEY STW	136	1,243	100
Yorkshire Water	River Calder	MITCHELL LAITHES WWTW	62	1,032	12.45
Yorkshire Water	River Calder	ALBION MILLS CSO	84	703	100
Yorkshire Water	Smithy Brook	BRIDGE ROAD CSO	113	553	81.7
Yorkshire Water	River Dearne	CUCKSTOOL BOTTOM CSO	79	518	99.8
Yorkshire Water	Dean Bottom Dike	SPRINGFIELD LANE CSO	74	447	65.6
Yorkshire Water	River Dearne	PARK MILL CSO	71	429	100
Yorkshire Water	River Calder	HORBURY BRIDGE SPS	98	421	97
Yorkshire Water	Shepley Dike	DAMHILL NO 2 CSO	63	347	97.5
Yorkshire Water	River Calder	OSSETT SPA SPS AND STORM TANKS	41	306	100
Yorkshire Water	River Calder	HEALEY ROAD OSSETT CSO	79	284	99.5
Yorkshire Water	Owler Beck	STANDBRIDGE LANE CSO	86	263	100
Yorkshire Water	Park Gate Dike	SKELMANTHORPE CSO	35	223	90
Yorkshire Water	Pugney'S Drain	PORTOBELLO SPS	41	219	99.9
Yorkshire Water	Little Dike	BROOMHILL EMLEY CSO	42	216	99.7
Yorkshire Water	Out Lane Dyke	BROOMFIELD LANE NO 2 CSO	47	213	100
Yorkshire Water	Pildacre Mill Beck	PILDACRE LANE CSO	50	127	99.9
Yorkshire Water	Range Dike	SPRINGFIELD LANE CSO	10	103	99.9
Yorkshire Water	River Dearne	HAIGH STW	35	90	99.9
Yorkshire Water	Oakenshaw Beck	MONTAGUE STREET CSO	33	88	100
Yorkshire Water	Spring Mill Beck	BAPTISTS LANE CSO	40	72	79.9
Yorkshire Water	Old Mill Stream	CHARLES STREET NO 2 CSO	18	48	100
Yorkshire Water	Dennington Beck	GREAT CLIFF PS & STORM TANK	12	29	49.95
Yorkshire Water	Shepley Dike	THUNDERBRIDGE NO 2 CSO	11	27	99.9
Yorkshire Water	Oakenshaw Beck	AGBRIGG GARAGE CSO	17	26	99.7
Yorkshire Water	River Dearne	BIRDS EDGE CSO	8	25	99.9
Yorkshire Water	Smithy Brook	EAST COWICK SEWAGE PUMPING STATION	7	17	77
Yorkshire Water	Pits Beck Culverted	NETHERTON CSO	25	12	98.9
Yorkshire Water	River Dearne	WAKEFIELD ROAD SCISSET CSO	2	10	76.6
Yorkshire Water	Bretton Brook	TOWN FARM 4 SSO	5	10	99.9
Yorkshire Water	Spring Mill Beck	OSSETT TOWNGATE NO 2 CSO	13	9	99.9
Yorkshire Water	Owler Beck Via Surface Wtr Sw	PLEDWICK CSO	17	7	99.9
Yorkshire Water	Bretton Brook	INNFOLD FARM 3 NO 2 CSO	4	7	99.9
Yorkshire Water	Chapelthorpe Bank Owler B	CHAPELTHORPE CSO	1	4	99.8
Yorkshire Water	River Dearne	TOWN FARM 4 CSO	1	3	99.9
Yorkshire Water	Thorpe Dike	LANE HACKINGS GREEN CSO	8	2	93.9
Yorkshire Water	Clvrt Springfield Beck	OSSETT WAKEFIELD ROAD 2 CSO	5	2	100
Yorkshire Water	River Calder	DENBY DALE ROAD CSO	2	1	100
Yorkshire Water	Owler Beck/Newmillerdam	NEWMILLERDAM CSO	3	1	99.1
Yorkshire Water	Bushy Beck	GAWTHORPE MAIN STREET CSO	1	0	60.7
Yorkshire Water	River Dearne	SPRING GROVE CSO	1	0	95.5
Yorkshire Water	Clvrt Toad Hole Dike	BACK LANE CSO	0	0	99
Yorkshire Water	Bretton Brook	TOWN FARM 2 CSO	0	0	99.9
Yorkshire Water	Woodsome Beck	DOGLEY CSO	0	0	99
Yorkshire Water	River Calder	SWALLOWS NEST CSO	0	0	0
Yorkshire Water	Oakenshaw Beck	AGBRIGG GARAGE SPS	0	0	99.8
Yorkshire Water	River Dearne	CATCH BAR CSO	0	0	58.9

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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