Top of the Poops | Constituency Sewage Map | Keighley and Ilkley

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Live data for Keighley and Ilkley in 2026

So far this year (as of 18 May 2026, 12:00) there has been 4,343 hours of sewage overflows, from 55 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for Keighley and Ilkley in 2025

40 Sites polluted by Yorkshire Water

1,519 sewage dumps

8,739 hours duration

That's 12.14 months. On average 4.2 times a day

Change Over Time

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Constituencies near Keighley and Ilkley

Waterways in Keighley and Ilkley

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Keighley and Ilkley 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 constituency 1 of the total 51 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. Of these 1 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Yorkshire Water	River Wharfe	BEN RHYDDING (ILKLEY) WPC WORKS, ST	127	1,758	100
Yorkshire Water	River Aire	KEIGHLEY (MARLEY) STW	183	1,632	99.9
Yorkshire Water	River Wharfe	ILKLEY SEWAGE TREATMENT WORKS	136	1,025	97
Yorkshire Water	Bridge House Beck	OXENHOPE WWTW	61	708	99.9
Yorkshire Water	River Wharfe	WYVIL CRESCENT CSO	80	594	100
Yorkshire Water	River Wharfe	ADDINGHAM PUMPING STATION	69	431	100
Yorkshire Water	River Aire	MORTON CSO	94	378	100
Yorkshire Water	River Wharfe	WHEATLEY LANE 2 CSO	49	255	100
Yorkshire Water	River Aire	BRADFORD ROAD	51	234	90
Yorkshire Water	Mill Stream	EASTBURN OLD STW CSO	59	220	100
Yorkshire Water	River Wharfe	MIDDLETON (ILKLEY) PUMPING STATION	24	214	100
Yorkshire Water	River Aire	KEIGHLEY ROAD 76 CSO	54	169	99.3
Yorkshire Water	River Worth	WORTH WAY NORTH BECK CSO	34	138	100
Yorkshire Water	River Worth	MYTHOLMES LANE CSO	42	126	100
Yorkshire Water	River Worth	HAWORTH COMBINED SEWER OVERFLOW	39	118	97.9
Yorkshire Water	River Worth	LONG LEE LANE CSO	45	97	100
Yorkshire Water	River Aire	CEMETERY LANE CSO	29	94	78.4
Yorkshire Water	Steeton Beck	STEETON CSO	51	85	68.1
Yorkshire Water	River Aire	BRADFORD ROAD 5 CSO	42	62	100
Yorkshire Water	River Worth	EAST COWICK SEWAGE PUMPING STATION	24	57	100
Yorkshire Water	River Aire	GRANGE ROAD 7 CSO	27	50	100
Yorkshire Water	River Wharfe	SSO 250 METRES DOWNSTREAM	20	48	100
Yorkshire Water	River Aire	KING GEORGE CSO	20	37	100
Yorkshire Water	River Worth	BRANDY MILL 34 CSO	19	37	87
Yorkshire Water	River Worth	INGROW BRIDGE CSO	17	36	99.3
Yorkshire Water	River Worth	WORTH WAY SUN STREET CSO	26	22	100
Yorkshire Water	River Worth Via Knowle Pk Spng	SOUTH STREET KEIGHLEY CSO	25	21	99.8
Yorkshire Water	Town Beck	LOW MILL LANE 179 CSO	6	17	95.8
Yorkshire Water	Mill Stream Eastburn Beck	LYON ROAD NO 2 CSO	7	15	100
Yorkshire Water	Bridgehouse Beck	BELLE ISLE ROAD CSO	16	13	100
Yorkshire Water	River Worth	INGROW LANE CSO	4	13	100
Yorkshire Water	Gingerbread Clough	SPRING BANK CSO	2	9	100
Yorkshire Water	Hog Holes Beck	GLEN LEE LANE CSO	18	5	74.6
Yorkshire Water	River Worth	SOUTH GOODS YARD CSO	8	2	100
Yorkshire Water	Silsden Beck	CLOG BRIDGE CSO	3	1	64.2
Yorkshire Water	River Worth	PITT STREET CSO	3	1	99.8
Yorkshire Water	River Aire	BAR LANE CSO	1	0	100
Yorkshire Water	River Worth	THE WALK CSO	1	0	100
Yorkshire Water	River Aire	WAVERLEY AVENUE CSO	2	0	100
Yorkshire Water	River Worth	WOODHOUSE ROAD 36 CSO	1	0	100
Yorkshire Water	River Aire	BRIDGE INN KEIGHLEY CSO	0	0	87.7
Yorkshire Water	Spicey Gill	BRIDGE LANE SEWAGE PUMPING STATION	0	0	96.8
Yorkshire Water	River Worth	CLOUGHS MILL NO 2 CSO	0	0	100
Yorkshire Water	River Worth	CONEY LANE CSO	0	0	100
Yorkshire Water	River Worth	DAMEMS ROAD CSO	0	0	100
Yorkshire Water	River Wharfe	LEEDS ROAD ILKLEY NO2 CSO	0	0	100
Yorkshire Water	River Worth	LONG LEE LANE CSO	0	0	100
Yorkshire Water	River Worth	LOW MILL LANE CSO	0	0	0
Yorkshire Water	Silsden Beck	ST JOHN STREET CSO	0	0	99.5
Yorkshire Water	River Worth	WOODHOUSE ROAD 38 CSO	0	0	100
Yorkshire Water	River Wharfe	WYVILL 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. 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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© 2020-2025 Top-Of-The-Poops CC-BY-SA 4.0,
© Openstreetmap contributors, Contains OS data © Crown copyright and database right 2021-2025,
Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis © 2025 Top-Of-The-Poops

Some data reproduced under Open Government Licence

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