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Selby - 2025 Sewage

Polluted by sewage 13,958 hours in 2025 - That's 1.62 years , monitoring offline 20,262 hours , potential overflows 1,964 hours

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

Which Year?

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View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Selby for 2025. It is an estimate, based on very poor quality live data from the Water Companies. This may not align with the 'official' reported sewage values from the water companies, which is reported in April following then end of the year - so 2025 numbers are reported in April 2026.

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 - 2,077 hours , 54 potential
Feb - 227 hours , 2,071 offline
Mar - 697 hours , 3,106 offline
Apr - 723 hours , 1,440 offline
May - 768 hours , 1,577 offline
Jun - 863 hours , 512 potential
Jul - 1,039 hours , 193 potential
Aug - 833 hours , 405 potential
Sept - 1,128 hours , 291 potential
Oct - 941 hours , 177 potential
Nov - 1,881 hours , 982 offline
Dec - 2,744 hours , 304 potential
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Yorkshire Water EGGBOROUGH/STW Ings And Tetherings Drain 305 7,296h -
Yorkshire Water WISTOW/STW River Ouse 94 1,371h 44m -
Yorkshire Water WISTOW/STW River Ouse 73 695h 3m -
Yorkshire Water KELFIELD MAIN ST/CSO Tidal Ouse 54 681h 16m -
Yorkshire Water CHURCH END/CSO River Ouse 66 574h 20m -
Yorkshire Water CASTLEFORD INGS LANE/CSO River Aire 83 454h 37m 92 h
Yorkshire Water SELBY ROAD WISTOW/CSO Tbc When Permit Issued 49 447h 36m 707 h
Yorkshire Water KELFIELD/STW Tidal Ouse 52 336h 10m -
Yorkshire Water BRICK KILN LANE/CSO River Aire 47 270h 49m 834 h
Yorkshire Water NORTON/NO 2 STW River Went 20 248h 44m -
Yorkshire Water SELBY/NO 2 STW River Ouse 37 240h 42m -
Yorkshire Water CASTLEFORD INGS LANE/CSO River Aire 32 195h 21m 2,515 h
Yorkshire Water GARFORTH/STW Sheffield Beck 31 162h 38m -
Yorkshire Water BISHOPDYKE/CSO Bishop Dike 19 104h 33m -
Yorkshire Water HEMINGBROUGH/NO 2 STW River Ouse 18 104h 31m -
Yorkshire Water HOLME LANE/CSO Ouse 37 95h 33m 2 h
Yorkshire Water WISTOW GARMAN CARR/CSO Garmancarr Dike 26 72h 37m -
Yorkshire Water SHIPYARD ROAD/CSO Culverted Brayton Junction 23 71h 51m -
Yorkshire Water YORK ROAD BARLBY/NO 2 CSO Cherry Orchard 21 67h 11m -
Yorkshire Water SHERBURN IN ELMET/STW Upper Fox Drain 18 58h 16m 1,412 h
Yorkshire Water MICKLEFIELD/NO 2 STW Sheep Dike 8 40h 15m -
Yorkshire Water STAPLETON PARK/STW Womersley Beck 18 32h 58m -
Yorkshire Water CRIDLING STUBBS/STW Blowell Drain 8 31h 33m -
Yorkshire Water BURN AIRFIELD/CSO Hagg Bush Dike 11 30h 50m -
Yorkshire Water SOUTH MILFORD/CSO Cawdel Head Drain 14 29h 57m 142 h
Yorkshire Water CHAPEL HADDLESEY/STW River Aire 12 29h 2m -
Yorkshire Water BARLBY ROAD/CSO River Ouse 20 28h 42m -
Yorkshire Water KIPPAX TANKS/CSO Hollins Beck 10 27h 40m -
Yorkshire Water ALLERTON BYWATER/CSO River Aire 7 26h 25m -
Yorkshire Water FRYSTON COMMON LANE/2 CSO Cemetary Drain 6 22h 54m -
Yorkshire Water STATION RD MICKLETOWN/CSO River Aire 19 22h 11m 177 h
Yorkshire Water KIPPAX TANKS/CSO Hollins Beck 4 17h 15m -
Yorkshire Water SELBY BARLOW/NO 2 STW Lendall Carr Dyke 6 16h 40m -
Yorkshire Water ANSON GROVE/CSO Tidal Ouse 4 13h 50m -
Yorkshire Water GREAT NORTH ROAD/NO 2 CSO Sheep Dike 7 11h 2m -
Yorkshire Water STATION ROAD WISTOW/CSO River Ouse 3 10h 22m -
Yorkshire Water CUT ROAD/NO 2 CSO River Aire 9 8h 58m 4,309 h
Yorkshire Water SHERBURN OLD WORKS/CSO Culverted Green Dike 3 2h 28m -
Yorkshire Water PIT LANE/NO 2 CSO Sheep Dike 3 2h 12m -
Yorkshire Water CLOUGH DYKE/CSO Clough Dike 1 1h 34m 3,375 h
Yorkshire Water BARLBY/STW River Ouse 2 1h 14m -
Yorkshire Water SPRING GARDENS BEAL/CSO River Aire 1 0h 12m -
Yorkshire Water ALLERTON BYWATER/SPS River Aire 0 0h -
Yorkshire Water HEMINGBROUGH NORTH/CSO Old Course Of River Ouse 0 0h -
Yorkshire Water WESTFIELD LANE/CSO Hollins Beck 0 0h 8,656 h
Yorkshire Water KIPPAX 80/CSO Hollins Beck 0 0h -
Yorkshire Water BROTHERTON CHURCH RD/CSO River Aire 0 0h -
Yorkshire Water WEST HADDLESEY/STW River Aire 0 0h -

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.