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Thirsk and Malton - Live Sewage

Polluted by sewage 11,935 hours in 2026 - That's 1.38 years , monitoring offline 38,163 hours , potential overflows 684 hours so far..

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

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View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Thirsk and Malton 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.

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Daily Data

Jan - 4,312 hours , 266 potential
Feb - 6,462 hours , 65 potential
Mar - 902 hours , 111 potential
Apr - 39 hours , 217 potential
May - 218 hours , 23 potential
Jun - 0 hours
Jul - 0 hours
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Yorkshire Water FELIXKIRK PIPER HILL/STW Whitelass Beck 61 1,115h 37m -
Yorkshire Water OSWALDKIRK/STW Holbeck 63 1,114h 18m 86 h
Yorkshire Water HAROME/STW Harome Moor Drain 71 1,056h 66 h
Yorkshire Water YORKERSGATE/CSO River Derwent 110 1,009h 23m 505 h
Yorkshire Water LANGTHORNE/NO 2 STW Cobshaw Dyke 47 785h 18m -
Yorkshire Water WEST LILLING/CSO Black Dike 42 686h 23m -
Yorkshire Water WELHAM ROAD NORTH/HLR Culverted Mill Beck 41 607h 44m -
Yorkshire Water CASTLEGATE/CSO River Derwent 31 586h 40m -
Yorkshire Water COLD KIRBY/NO 2 STW Unnamed Grass Keld 58 520h 3m 145 h
Yorkshire Water KIRBY MISPERTON/STW Costa Beck 42 470h 38m -
Yorkshire Water SNAPE/STW/3XDWF OVERFLOW Main Cut 38 435h 9m -
Yorkshire Water MALTON/STW/3XDWF OVERFLOW River Derwent 28 360h 32m -
Yorkshire Water BEDALE/STW Bedale Beck 26 353h 30m -
Yorkshire Water HOWSHAM/STW River Derwent 21 233h 36m -
Yorkshire Water GREAT BARUGH/STW Seven 20 206h 31m -
Yorkshire Water FOSTON/STW Spital Beck 22 200h 3m -
Yorkshire Water BRAWBY/STW River Seven 21 199h 52m -
Yorkshire Water ACKLAM/STW Acklam Beck 21 149h 4m -
Yorkshire Water HELMSLEY/STW River Rye 29 137h 53m -
Yorkshire Water FLAXTON/STW Sike 36 125h 36m -
Yorkshire Water WESTOW/STW Howl Beck 28 119h 22m 0 h
Yorkshire Water CHANDLERS WHARF/CSO River Derwent 13 108h 12m -
Yorkshire Water OLDSTEAD/STW Wakendale Beck 14 104h 44m -
Yorkshire Water THORNTON LE DALE/STW Thornton Beck 8 96h 48m -
Yorkshire Water KIRKBY MOORSIDE/NO 2 CSO River Dove 26 85h 16m 0 h
Yorkshire Water COWESBY/STW/6XDWF OVERFLOW Little Beck 9 78h 55m -
Yorkshire Water BURRILL/NO 2 STW Burrill Beck 16 78h 7m -
Yorkshire Water GALE LANE/NO X CSO Syke Cut Via A Public Sewer 6 74h 66 h
Yorkshire Water THIRSK/STW Cod Beck 17 65h 15m -
Yorkshire Water LOW LN HUTTON SESSAY/CSO Culverted Birdforth Beck 16 59h 3m -
Yorkshire Water SCRAYINGHAM SOUTH FM/CSO Goit Via A Culvertedsystem 15 58h 51m 0 h
Yorkshire Water WASS/NO 2 STW Holbeck 17 58h 20m -
Yorkshire Water ST JAMES GREEN/CSO Cod Beck 16 54h 57m -
Yorkshire Water HUNMANBY STONEGATE/CSO Main Drain River Hertford 19 43h 41m -
Yorkshire Water NORTON CHURCH ST/2 CSO River Derwent 22 40h 15m 0 h
Yorkshire Water HUNMANBY/STW River Hertford 8 39h 24m -
Yorkshire Water LASCELLES LANE/CSO River Derwent 15 34h 12m -
Yorkshire Water HACKFORTH/NO 2 STW Bowbridge Beck 13 33h 25m 0 h
Yorkshire Water PICKERING/STW/6XDWF OVERFLOW Costa Beck 15 33h 13m 0 h
Yorkshire Water LOCKTON/STW Levisham Beck 17 33h 3m 0 h
Yorkshire Water MUSTON/CSO Hertford 4 27h 32m 265 h
Yorkshire Water GILLING EAST/STW Holbeck 3 19h 57m -
Yorkshire Water FOLKTON CARR LN/CSO Ditch 9 19h 19m -
Yorkshire Water KIRKBYMOORSIDE/STW River Dove 4 16h 35m -
Yorkshire Water LITTLE BARUGH/STW Costa Beck 4 15h 38m -
Yorkshire Water BLAKEY LANE/NO 2 CSO Cod Beck 11 15h 6m 1 h
Yorkshire Water WHEELGATE/CSO River Derwent 14 14h 39m 0 h
Yorkshire Water SINNINGTON MAIN ST/CSO River Severn 3 13h 45m -
Yorkshire Water RILLINGTON/STW Rillington Beck 2 13h 41m -
Yorkshire Water FILEY TRANSFER/CSO North Sea 10 13h 16m -
Yorkshire Water LINKFIELD/NO 2 SPS Tbc When Permit Issued 2 12h 47m -
Yorkshire Water BEDALE/STW Bedale Beck 10 12h 12m -
Yorkshire Water GREAT CRAKEHALL/CSO Bedale Beck 6 11h 4m 0 h
Yorkshire Water SHERBURN/STW Sherburn Beck 2 8h 15m -
Yorkshire Water KIRKLINGTON/STW/PRELIMINARY TREATMENT-STW/3XDWF OVERFLOW Healam Beck 4 8h 14m -
Yorkshire Water THIRSK FINKLE ST/NO 2 CSO Cod Beck 4 7h 58m -
Yorkshire Water STAXTON VILLAGE/CSO Ditch 4 7h 7m -
Yorkshire Water CRAMBE/STW River Derwent 1 5h 43m -
Yorkshire Water NORTHALLERTON ROAD/CSO Terry Gutter 3 4h 9m 805 h
Yorkshire Water PICKERING/STW/3XDWF OVERFLOW Costa Beck 6 3h 52m -
Yorkshire Water SOUTH END BEDALE/CSO Tbc When Permit Issued 5 3h 52m -
Yorkshire Water SAWMILL LANE/CSO River Rye 4 3h 45m 1 h
Yorkshire Water LEEMING WATER LANE/CSO Tbc When Permit Issued 8 3h 39m -
Yorkshire Water FLATCLIFFS/CSO North Sea 1 2h 57m -
Yorkshire Water SHERIFF HUTTON/STW Howl Beck 1 2h 32m -
Yorkshire Water MALTON EBBERSTON/CSO Ebberston Beck 2 2h 12m -
Yorkshire Water RILLINGTON/STW Rillington Beck 2 1h 57m 0 h
Yorkshire Water AMPLEFORTH VILLAGE/STW Holbeck 6 1h 51m 0 h
Yorkshire Water GALE LANE/NO 2 CSO Syke Cut Via A Public Sewer 1 1h 17m 7 h
Yorkshire Water THIRSK CHAPEL STREET/CSO Cod Beck 2 1h 12m -
Yorkshire Water SKIPTON ON SWALE/STW River Swale 2 1h 6m -
Yorkshire Water MALTON HAROME/CSO River Riccall 1 0h 53m -
Yorkshire Water RYEDALE NEW ROAD/CSO Wath Beck 1 0h 34m -
Yorkshire Water SHEEPFOOT HILL/CSO River Derwent 1 0h 30m -
Yorkshire Water MALTON HOLMESFLD/CSO River Derwent 3 0h 27m -
Yorkshire Water THORNTON LE BEANS/CSO Thornton Le Beans Beck 1 0h 25m -
Yorkshire Water LEEMING BAR/CSO Bedale Beck 1 0h 25m -
Yorkshire Water SCRUTON/STW Common Stell 1 0h 24m -
Yorkshire Water OUTGANG ROAD/CSO Outgang Drain 2 0h 24m 1 h
Yorkshire Water MARTON BRIDGE/CSO River Seven 1 0h 23m -
Yorkshire Water OLD MALTONGATE/CSO River Derwent 1 0h 20m -
Yorkshire Water NETHER SILTON/CSO Old Beck 1 0h 14m -
Yorkshire Water SPORTSFIELD/NO 2 CSO River Dove 1 0h 11m -
Yorkshire Water STONE BRIDGE/NO 2 CSO Thornton Beck 0 0h -
Yorkshire Water ALLERSTON/CSO Allerston Beck 0 0h -
Yorkshire Water CUDDY BROWN CLOSE/CSO Thornton Beck 0 0h 2,787 h
Yorkshire Water THORNTON LE MOOR/CSO River Wiske 0 0h -
Yorkshire Water HAWKSWELL LANE/CSO River Derwent 0 0h -
Yorkshire Water RAILWAY ST SLINGSBY/CSO Wath Beck 0 0h -
Yorkshire Water RYEDALE CARR LANE/CSO Holbeck 0 0h -
Yorkshire Water AMPLEFORTH/CSO Holbeck 0 0h 218 h
Yorkshire Water HARBOUR VIEW BEDALE/CSO Not Matched In Ea Consents Database 0 0h -
Yorkshire Water HUNMANBY GAP/CSO North Sea Via Reighton Gill 0 0h -
Yorkshire Water KIRKBY MILLS/CSO River Dove 0 0h 2,777 h
Yorkshire Water WELHAM ROAD SOUTH/CSO Mill Beck 0 0h -
Yorkshire Water ACKLAM/CSO Acklam Beck 0 0h -
Yorkshire Water FILEY TRANSFER/CSO North Sea 0 0h -
Yorkshire Water BALACLAVA/NO 2 CSO Priorpot Beck 0 0h -
Yorkshire Water ST HILDAS STREET/CSO East Beck 0 0h -
Yorkshire Water EASTGATE/CSO Outgang Drain 0 0h -
Yorkshire Water HOVINGHAM/STW Marrs Beck 0 0h -
Yorkshire Water APPLETON LE MOOR/STW River Seven 0 0h 1 h
Yorkshire Water REETON TERRACE/NO 2 CSO Priorpot Beck 0 0h -
Yorkshire Water TOWN STREET MALTON/CSO River Derwent 0 0h 3,299 h
Yorkshire Water PRIORPOT BRIDGE/CSO Priorpot Beck 0 0h 2,777 h
Yorkshire Water FOSTON/CSO Spittal Beck 0 0h -
Yorkshire Water SWINTON LOWFIELD/CSO River Rye 0 0h -
Yorkshire Water FILEY TRANSFER/CSO North Sea 0 0h -
Yorkshire Water SHERIFF HUTTON/STW Howl Beck 0 0h 2,777 h
Yorkshire Water BROOKSIDE CLOSE/CSO Bedale Bk/Swale 0 0h -
Yorkshire Water PICKHILL/CSO Pickhill Beck 0 0h -
Yorkshire Water SHERIFF HUTTON/CSO Bulmer Beck 0 0h -
Yorkshire Water SCRAYINGHAM RECTRY FM/CSO Derwent 0 0h 2,001 h
Yorkshire Water OUTGAITS LANE/CSO River Hertford 0 0h -
Yorkshire Water FIRBY/STW Derwent 0 0h 2,777 h
Yorkshire Water Unknown Unknown 0 0h -
Yorkshire Water NORMANBY/CSO River Seven 0 0h 2,777 h
Yorkshire Water REETON TERRACE/NO 1 CSO Priorpot Beck 0 0h 2,777 h
Yorkshire Water ST PETERS STREET/CSO Mill Beck 0 0h -
Yorkshire Water MARTON/STW River Seven 0 0h -
Yorkshire Water SWINTON LOWFIELD/CSO River Rye 0 0h 2,777 h
Yorkshire Water RYEDALE AISLABY/SPS Costa Beck 0 0h -
Yorkshire Water SINDERBY/STW/3XDWF OVERFLOW Holme And Ainderby Beck 0 0h 3,051 h
Yorkshire Water CONEYSTHORPE/STW Mill Hills Beck 0 0h -
Yorkshire Water MISPERTON LANE/CSO Habton Ings Drain 0 0h 3,299 h
Yorkshire Water THE BROWS/CSO River Derwent 0 0h 2,787 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

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.