Dewsbury and Batley - Live Sewage

Polluted by sewage 1,738 hours in 2026 , monitoring offline 65,650 hours , potential overflows 73 hours so far..

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Contains OS Data © Crown copyright & database right 2021-2024
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View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Dewsbury and Batley so far for 2026. It is an estimate, based on very poor quality live data from the Water Companies. The water companies report their sewage to the Environment Agency every year in April. You can see the last reported year in the other page

What's a potential overflow? If the CSO goes 'Offline' while its Overflowing, we don't know if it stopped overflowing until we get a 'Stop' event.

Totals for Dewsbury and Batley in 2026

Sewage1,738 hours
Monitoring offline65,650 hours
Potential pollution73 hours
Storm overflows32

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Daily Data

Jan - 519 hours , 0 potential
Feb - 933 hours , 6,578 offline
Mar - 108 hours , 73 potential
Apr - 0 hours , 6,661 offline
May - 34 hours , 6,696 offline
Jun - 0 hours , 6,480 offline
Jul - 0 hours , 6,925 offline
Aug - 44 hours , 7,440 offline
Sept - 15 hours , 7,318 offline
Oct - 80 hours , 5,549 offline
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Yorkshire Water SPENBOROUGH/SPS River Calder And River Spen 34 465h 27m -
Yorkshire Water FORGE LANE DEWSBURY/CSO Calder 37 288h 43m 3 h
Yorkshire Water THORNHILL DEWSBURY/1 CSO River Calder 37 288h 36m 11 h
Yorkshire Water RAILWAY ST DEWSBURY/CSO River Calder 18 171h 41m 1,347 h
Yorkshire Water WARWICK ROAD/NO 2 CSO Batley Beck 24 108h 14m 177 h
Yorkshire Water RAVENSBRIDGE IND EST/CSO River Calder 28 107h 13m 3 h
Yorkshire Water THORNHILL DEWSBURY/2 CSO River Calder 18 94h 26m 7 h
Yorkshire Water RAVENS HUDDFLD RD/CSO River Calder 18 56h 51m 4 h
Yorkshire Water DEWSBURY MOOR/CSO River Spen 21 35h 17m 0 h
Yorkshire Water TIMOTHY LANE/CSO Howley Beck 8 34h 39m 9 h
Yorkshire Water FIR COTTAGE/CSO River Calder 7 32h 54m 8 h
Yorkshire Water SAVILLE TOWN/CSO River Calder 4 14h 16m -
Yorkshire Water BREWERY LANE/CSO Culverted River Calder 8 11h 6m -
Yorkshire Water SCOUTHILL R D/CSO Not Matched In Ea Consents Database 3 9h 42m 48 h
Yorkshire Water WOOD STREET DEWSBURY/CSO Dewsbury Beck 4 7h 54m 9 h
Yorkshire Water COMBS HILL/NO 2 CSO Calder 6 3h 54m 58 h
Yorkshire Water CALDER BANK ROAD/CSO River Calder 1 3h 42m 1,741 h
Yorkshire Water UPPER ROAD/NO 2 CSO Batley Carr Dyke Culverted 5 2h 35m -
Yorkshire Water FLOCKTON PINFOLD LANE/CSO Flockton Beck 1 1h 29m 63 h
Yorkshire Water MELTON STREET/CSO Carlinghow Beck 0 0h 6,637 h
Yorkshire Water BECKETT NOOK/NO 2 CSO Varies With Outlet 0 0h -
Yorkshire Water WHITLEY TANK/CSO Howroyd Beck 0 0h 6,637 h
Yorkshire Water BATLEY FIELD LANE/CSO Batley Beck 0 0h 6,637 h
Yorkshire Water BATLEY MOUNT STREET/CSO Batley Beck 0 0h 6,997 h
Yorkshire Water BECKETT NOOK/NO 1 CSO Varies With Outlet 0 0h 7,149 h
Yorkshire Water BATLEY GRANGE ROAD/CSO Greenhill Dike Culverted 0 0h -
Yorkshire Water WELL LANE/CSO Batley Beck 0 0h -
Yorkshire Water FIDDLERS HILL/CSO River Calder 0 0h 7,149 h
Yorkshire Water MAYMAN LANE/CSO Batley Carr 0 0h 6,637 h
Yorkshire Water SYKE ING/NO 2 CSO Chickenley Beck 0 0h 7,149 h
Yorkshire Water GRANGE MOOR/CSO Falhouse Beck 0 0h 83 h
Yorkshire Water SCOUTHILL/CSO Spen River 0 0h 7,149 h

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

Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.

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.