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Dewsbury and Batley

Polluted by sewage 336 times in 2025 lasting 1,145 hours

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024

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Live data for Dewsbury and Batley in 2026

So far this year (as of 18 May 2026, 12:00) there has been 1,597 hours of sewage overflows, from 32 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for Dewsbury and Batley in 2025

23 Sites polluted by Yorkshire Water
336 sewage dumps
1,145 hours duration
That's 1.59 months. 6.5 times a week, on average

Change Over Time

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Waterways in Dewsbury and Batley

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Dewsbury and Batley 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 all the declared CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s appeared to have monitoring enabled for more than 50% of the year

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Yorkshire Water Calder EAST COWICK SEWAGE PUMPING STATION 41 224 99.6
Yorkshire Water Batley Beck WARWICK ROAD NO2 CSO 69 187 98.2
Yorkshire Water River Calder THORNHILL DEWSBURY NO1 CSO 36 173 75.2
Yorkshire Water River Calder RAVENS HUDDERSFIELD RD CSO 27 121 93.6
Yorkshire Water River Spen DEWSBURY MOOR CSO 38 86 100
Yorkshire Water River Calder FIR COTTAGE CSO 7 69 100
Yorkshire Water River Calder THORNHILL SYPHON CSO 16 66 100
Yorkshire Water Howley Beck TIMOTHY LANE TANK CSO 7 51 99.7
Yorkshire Water Culverted River Calder BREWERY LANE CSO 14 50 100
Yorkshire Water River Calder RAILWAY STREET (B TO D) CSO 13 49 58
Yorkshire Water Dewsbury Beck WOOD STREET COMBINED SEWER OVERFLOW 11 20 99.8
Yorkshire Water Batley Carr Dyke Culverted UPPER ROAD CSO 17 13 100
Yorkshire Water Calder COMBS HILL CSO 14 11 69.4
Yorkshire Water Flockton Beck FLOCKTON TANK CSO 2 5 93.8
Yorkshire Water Spen River SCOUTHILL CSO 1 5 100
Yorkshire Water River Calder SOUTH STREET CSO 7 2 100
Yorkshire Water River Calder CALDER BANK ROAD CSO 3 2 84.3
Yorkshire Water Falhouse Beck GRANGE MOOR CSO 3 1 85.2
Yorkshire Water Batley Beck WELL LANE CSO 4 1 87.4
Yorkshire Water Varies With Outlet EAST COWICK SEWAGE PUMPING STATION 2 0 88
Yorkshire Water River Calder THORNHILL PARK AVENUE CSO 1 0 88.6
Yorkshire Water Greenhill Dike Culverted BATLEY GRANGE ROAD CSO 2 0 96.1
Yorkshire Water Chickenley Beck SYKE ING NO 2 CSO 1 0 98.5
Yorkshire Water Batley Beck BATLEY MOUNT STREET CSO 0 0 68.8
Yorkshire Water River Calder FIDDLERS HILL 0 0 100
Yorkshire Water Batley Beck FIELD LANE 0 0 100
Yorkshire Water Batley Carr MAYMAN LANE TANK CSO 0 0 100
Yorkshire Water Carlinghow Beck MELTON STREET CSO 0 0 100
Yorkshire Water Howroyd Beck WHITLEY ROAD STORM BALANCING TANK 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.

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Analysing sewage pollution by the Water Industry

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Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis © 2025 Top-Of-The-Poops

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