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

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Totals for River Ouse in 2025

45 Sites polluted by Yorkshire Water

3,779 sewage dumps
18,499 h duration

That's 2.14 years. On average 10.4 times a day

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Constituencies along River Ouse

Places along River Ouse

Pollution Summary 2025

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

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Yorkshire Water	River Ouse	WISTOW SEWAGE TREATMENT WORKS	195	2,744	100
Yorkshire Water	River Ouse	WOOLWORTHS CSO	102	1,681	94.5
Yorkshire Water	River Ouse	FULFORD SEWAGE PUMPING STATION	94	1,678	100
Yorkshire Water	River Ouse	THE ESPLANADE YORK CSO	100	1,461	100
Yorkshire Water	River Ouse	MARYGATE LANDING CSO (NO2)	99	1,457	100
Yorkshire Water	River Ouse	LENDAL HILL COMBINED SEWER OVERFLOW	89	1,125	99.3
Yorkshire Water	River Ouse	SKELDERGATE BRIDGE CSO	82	987	100
Yorkshire Water	River Ouse	BUTCHER TERRACE CSO	66	737	100
Yorkshire Water	River Ouse	CHURCH END SEWAGE PUMPING STATION	68	621	100
Yorkshire Water	River Ouse	HOWDEN STW	1,776	609	100
Yorkshire Water	River Ouse	TERRY AVENUE CSO	56	607	100
Yorkshire Water	River Ouse	CARR LANE SPS	77	602	100
Yorkshire Water	River Ouse	NEW WALK CSO	53	454	100
Yorkshire Water	River Ouse	NABURN YORK ROAD SPS	33	431	100
Yorkshire Water	River Ouse	QUEENS STAITH CSO	68	386	99.4
Yorkshire Water	River Ouse	RIVERSIDE GARDENS SPS	62	306	100
Yorkshire Water	River Ouse	MARYGATE LANE CSO	34	280	86.3
Yorkshire Water	River Ouse	GILBERDYKE STW	83	271	95.6
Yorkshire Water	River Ouse	SKELDERGATE BRIDGE CSO	74	254	100
Yorkshire Water	River Ouse	ASSELBY COMBINED SEWER OVERFLOW	48	252	100
Yorkshire Water	River Ouse	SELBY SEWAGE TREAMENT WORKS	38	218	100
Yorkshire Water	River Ouse	TRAFALGAR STREET CSO	22	162	99.9
Yorkshire Water	River Ouse	BARLBY SEWAGE TREATMENT WORKS	26	141	100
Yorkshire Water	River Ouse	TADCASTER ROAD CSO & BISHOPTHORPE	16	133	98.2
Yorkshire Water	River Ouse	HEMINGBROUGH WPC WORKS	26	112	100
Yorkshire Water	River Ouse	LANDING LANE CSO	13	108	94.9
Yorkshire Water	River Ouse	HOOK STW	72	92	100
Yorkshire Water	River Ouse	JUBILEE TERRACE CSO	14	87	99.7
Yorkshire Water	River Ouse	FISHER END SSO	46	84	100
Yorkshire Water	River Ouse	LOWER POPPLETON LANE SPS	23	66	99.8
Yorkshire Water	River Ouse	MILLFIELD LANE CSO	29	62	100
Yorkshire Water	River Ouse	KNAVESMIRE ROAD CSO	12	51	100
Yorkshire Water	River Ouse	GOOLE LOCK HILL SPS	44	51	100
Yorkshire Water	River Ouse	STATION ROAD SSO	5	39	36.6
Yorkshire Water	River Ouse	BARLBY ROAD SPS	26	38	100
Yorkshire Water	River Ouse	QUEEN STREET BRIDGE CSO	23	20	84.1
Yorkshire Water	River Ouse	BOOTHAM HOSPITAL CSO	13	20	100
Yorkshire Water	River Ouse	HOWDEN ROAD	2	17	99.8
Yorkshire Water	River Ouse	PORTLAND STREET CSO	15	12	99.5
Yorkshire Water	River Ouse	HARTOFT STREET CSO	21	7	99.9
Yorkshire Water	River Ouse	GROSVENOR TERRACE CSO	10	7	100
Yorkshire Water	River Ouse	CASTLE MILLS CSO	10	5	100
Yorkshire Water	River Ouse	FARNDALE STREET CSO	12	1	100
Yorkshire Water	River Ouse	ROYAL YORK HOTEL NO.2 CSO	1	1	100
Yorkshire Water	River Ouse	STATION ROAD CSO	1	0	100
Yorkshire Water	River Ouse	COMMON HALL LANE CSO	0	0	98.8
Yorkshire Water	River Ouse	JUBILEE TERRACE CSO	0	0	100
Yorkshire Water	River Ouse	ROYAL YORK HOTEL NO.1 CSO	0	0	100
Yorkshire Water	River Ouse	RAWCLIFFE SPS	0	0	99.9

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. 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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