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Selby

Polluted by sewage 988 times in 2025 lasting 7,547 hours

Monitoring was disabled in some locations, so could be more

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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 Selby in 2026

So far this year (as of 18 May 2026, 12:00) there has been 4,957 hours of sewage overflows, from 48 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for Selby in 2025

37 Sites polluted by Yorkshire Water
988 sewage dumps
7,547 hours duration
That's 10.48 months. On average 2.7 times a day

Change Over Time

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Selby 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 2 of the total 43 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 Ouse WISTOW SEWAGE TREATMENT WORKS 195 2,744 100
Yorkshire Water River Aire INGS LANE STORM TANKS 97 949 99.15
Yorkshire Water Tidal Ouse KELFIELD SEWAGE PUMPING STATION 64 774 100
Yorkshire Water River Ouse CHURCH END SEWAGE PUMPING STATION 68 621 100
Yorkshire Water Tidal Ouse KELFIELD STW 68 485 100
Yorkshire Water Sheffield Beck OWLWOOD (GARFORTH) STW 27 227 100
Yorkshire Water River Ouse SELBY SEWAGE TREAMENT WORKS 38 218 100
Yorkshire Water River Ouse BARLBY SEWAGE TREATMENT WORKS 26 141 100
Yorkshire Water Bishop Dike BISHOP DIKE SEWAGE PUMPING STATION 19 128 100
Yorkshire Water Upper Fox Drain SHERBURN IN ELMET STW 22 113 92.5
Yorkshire Water River Ouse HEMINGBROUGH WPC WORKS 26 112 100
Yorkshire Water Ouse HOLME LANE SPS 47 111 100
Yorkshire Water River Aire CHAPEL HADDLESEY WWTW 19 110 99.8
Yorkshire Water Garmancarr Dike GARMANCARR SSO 25 87 100
Yorkshire Water Culverted Brayton Junction SHIPYARD ROAD 22 81 100
Yorkshire Water Sheep Dike MICKLEFIELD STW 10 74 100
Yorkshire Water Cherry Orchard YORK ROAD CSO 21 68 100
Yorkshire Water River Aire ALLERTON BYWATER CSO 11 63 97.1
Yorkshire Water Blowell Drain CRIDLING STUBBS WWTW 8 54 100
Yorkshire Water Hollins Beck KIPPAX STORM TANKS 15 48 100
Yorkshire Water Hagg Bush Dike BURN AIRFIELD SPS 14 41 100
Yorkshire Water River Ouse STATION ROAD SSO 5 39 36.6
Yorkshire Water Womersley Beck STAPLETON PARK WWTW 28 39 100
Yorkshire Water River Ouse BARLBY ROAD SPS 26 38 100
Yorkshire Water Cemetary Drain FRYSTON COMMON LANE SPS 5 24 100
Yorkshire Water Cawdel Head Drain SOUTH MILFORD SPS 6 23 97.8
Yorkshire Water Ings And Tetherings Drain EGGBOROUGH WWTW 3 22 100
Yorkshire Water Lendall Carr Dyke BARLOW SEWAGE TREATMENT WORKS 9 19 100
Yorkshire Water River Aire STATION ROAD MICKLETOWN SPS 20 18 100
Yorkshire Water Tidal Ouse ANSON GROVE SEWAGE PUMPING STATION 3 16 100
Yorkshire Water Tang Hall Beck ASHLEY PARK SSO 5 15 100
Yorkshire Water Sheep Dike GREAT NORTH ROAD NO2 CSO 10 12 100
Yorkshire Water River Aire CUT ROAD NO.2 CSO 13 11 69.5
Yorkshire Water Culverted Green Dike SHERBURN OLD WORKS CSO 7 4 100
Yorkshire Water Sheep Dike PIT LANE COMBINED SEWER OVERFLOW 4 3 100
Yorkshire Water Clough Dike CLOUGH DIKE SEWAGE PUMPING STATION 1 1 89.6
Yorkshire Water River Aire SPRING GARDENS SEWAGE PUMPING STA. 1 0 100
Yorkshire Water River Aire BROTHERTON CSO 0 0 100
Yorkshire Water Old Course Of River Ouse HEMINGBROUGH WPC WORKS 0 0 100
Yorkshire Water Hollins Beck KIPPAX 80 CSO 0 0 100
Yorkshire Water River Went KIRK SMEATON STW 0 0 0
Yorkshire Water River Aire WEST HADDLESEY STW 0 0 100
Yorkshire Water Hollins Beck WESTFIELD LANE CSO 0 0 94.2

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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© 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

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