Selby and Ainsty was polluted by sewage 2,846 times in 2023
lasting 27,931 hours - that's 3.23 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 Selby and Ainsty in 2023

53 Sites polluted by Yorkshire Water

2,846 sewage dumps
27,931 h duration

That's 3.23 years! On average 7.8 times a day

Change Over Time

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Constituencies near Selby and Ainsty

Waterways in Selby and Ainsty

Pollution Summary 2023

Here are all the reported sewage overflow totals for Selby and Ainsty 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 62 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 Ouse	WISTOW SEWAGE TREATMENT WORKS	328	5,106	100
Yorkshire Water	River Wharfe	WEETON SEWAGE TREATMENT WORKS	194	3,470	100
Yorkshire Water	River Nidd	NORTH DEIGHTON STW	105	1,921	99.9
Yorkshire Water	River Aire	CHAPEL HADDLESEY WWTW	131	1,783	100
Yorkshire Water	Moor Drain	LONG MARSTON WPC WORKS STORM TANKS	131	1,442	100
Yorkshire Water	Crimple Beck	HARROGATE SOUTH STW	98	1,332	100
Yorkshire Water	Tidal Ouse	KELFIELD SEWAGE PUMPING STATION	97	1,279	97.6
Yorkshire Water	River Ouse	BARLBY SEWAGE TREATMENT WORKS	103	1,253	100
Yorkshire Water	Tidal Ouse	KELFIELD STW	93	1,096	100
Yorkshire Water	River Nidd	KIRK HAMMERTON STW	91	762	99.9
Yorkshire Water	River Ouse	CHURCH END SEWAGE PUMPING STATION	73	702	100
Yorkshire Water	River Aire	WEST HADDLESEY STW	143	664	100
Yorkshire Water	River Wharfe	BRITANNIA INN CSO	70	616	100
Yorkshire Water	River Nidd	NUN MONKTON SEWAGE TREATMENT WORKS	66	613	100
Yorkshire Water	Weeton Beck	BRIDGE HOUSE FARM CSO	67	590	100
Yorkshire Water	River Wharfe	KEARBY SEWAGE TREATMENT WORKS	54	539	100
Yorkshire Water	River Wharfe	TADCASTER BRITTANIA CSO	69	525	79.9
Yorkshire Water	River Nidd	CATTAL SEWAGE TREATMENT WORKS	41	484	99.9
Yorkshire Water	River Wharfe	TADCASTER WPC WORKS	32	484	99.9
Yorkshire Water	Fleet Beck	TOCKWITH TREATMENT WORKS	34	408	100
Yorkshire Water	River Ouse	SELBY SEWAGE TREAMENT WORKS	52	400	99.8
Yorkshire Water	Upper Fox Drain	SHERBURN IN ELMET STW	27	336	98.2
Yorkshire Water	Ings And Tetherings Drain	EGGBOROUGH WWTW	27	314	71.1
Yorkshire Water	Blowell Drain	CRIDLING STUBBS WWTW	34	270	99
Yorkshire Water	Culverted Brayton Junction	SHIPYARD ROAD	49	267	100
Yorkshire Water	Lendall Carr Dyke	BARLOW SEWAGE TREATMENT WORKS	36	213	100
Yorkshire Water	River Ouse	BARLBY ROAD SPS	70	203	100
Yorkshire Water	Ouse Gill Beck	SSO AT GREAT OUSEBURN(EAST)	38	126	28.5
Yorkshire Water	River Ouse	HEMINGBROUGH WPC WORKS	37	112	100
Yorkshire Water	Ouse	HOLME LANE SPS	93	90	100
Yorkshire Water	River Ouse	STATION ROAD SSO	20	90	91.2
Yorkshire Water	Garmancarr Dike	GARMANCARR SSO	34	84	97.7
Yorkshire Water	Cherry Orchard	YORK ROAD CSO	28	75	100
Yorkshire Water	River Wharfe	TADCASTER WEST CSO	48	64	100
Yorkshire Water	Hagg Bush Dike	BURN AIRFIELD SPS	32	54	60.5
Yorkshire Water	Womersley Beck	STAPLETON PARK WWTW	22	37	99.6
Yorkshire Water	River Aire	CUT ROAD NO.2 CSO	39	32	100
Yorkshire Water	An Nidd	HUNSINGORE STW	17	11	100
Yorkshire Water	River Went	KIRK SMEATON STW	1	10	99.2
Yorkshire Water	Old Course Of River Ouse	HEMINGBROUGH WPC WORKS	4	10	100
Yorkshire Water	River Nidd	MOOR MONKTON EAST SPS	5	6	100
Yorkshire Water	Whixley Cut	FIELD 4200 CSO	6	5	85.5
Yorkshire Water	Crimple Beck Or River Crimple	EASTFIELD FARM CSO	12	5	77.9
Yorkshire Water	Cawdel Head Drain	SOUTH MILFORD SPS	11	4	99.7
Yorkshire Water	Cemetary Drain	FRYSTON COMMON LANE SPS	4	4	100
Yorkshire Water	River Aire	SPRING GARDENS SEWAGE PUMPING STA.	45	4	100
Yorkshire Water	Culverted Green Dike	SHERBURN OLD WORKS CSO	7	4	100
Yorkshire Water	Crimple Beck Or River Crimple	GINNY GREEN HOLES NATURE RESERVE	5	2	93.5
Yorkshire Water	Kirk Hammerton Beck	KIRK HAMMERTON SSO	2	2	99.2
Yorkshire Water	Bishop Dike	BISHOP DIKE SEWAGE PUMPING STATION	13	1	100
Yorkshire Water	Mill Sike	NUNMONKTON COMMON CSO	3	1	100
Yorkshire Water	Whixley Cut	FIELD 7500 CSO	3	1	99.9
Yorkshire Water	Clough Dike	CLOUGH DIKE SEWAGE PUMPING STATION	2	1	100
Yorkshire Water	Ouse Gill Beck	BROADLANDS FARM NO 2 CSO	0	0	99.2
Yorkshire Water	New Cut	SSO AT GOLDSBOROUGH	0	0	99.8
Yorkshire Water	Toad Hall Beck	SICKLINGHALL CSO	0	0	0
Yorkshire Water	Ouse Gill Beck	LITTLE OUSEBURN SPS	0	0	98.3
Yorkshire Water	Tidal Ouse	ANSON GROVE SEWAGE PUMPING STATION	0	0	100
Yorkshire Water	Tang Hall Beck	ASHLEY PARK SSO	0	0	100
Yorkshire Water	Horse Pond Beck	FOLLIFOOT SEWAGE PUMPING STATION	0	0	99.7
Yorkshire Water	Ouse Gill Beck	GREAT OUSEBURN SPS	0	0	84
Yorkshire Water	River Aire	BROTHERTON 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

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