Pontefract, Castleford and Knottingley - Live Sewage

Polluted by sewage 2,141 hours in 2026 , monitoring offline 7,168 hours , potential overflows 189 hours so far..

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

Which Year?

Select Another Constituency

Select the constituency from the drop-down
✔ means we have live data (𝑥 if not)

View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Pontefract, Castleford and Knottingley 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 Pontefract, Castleford and Knottingley in 2026

Sewage2,141 hours
Monitoring offline7,168 hours
Potential pollution189 hours
Storm overflows27

Take Action

Your local MP is Yvette Cooper (Labour) - Find out more about their interests, donors, and voting at They Work For You

Share this page, post a message, and tell others about the huge problem of sewage pollution across the UK

Constituencies near Pontefract, Castleford and Knottingley

Daily Data

Jan - 497 hours , 0 potential
Feb - 1,247 hours , 63 potential
Mar - 37 hours , 125 potential
Apr - 30 hours , 720 offline
May - 96 hours , 744 offline
Jun - 0 hours , 720 offline
Jul - 0 hours , 744 offline
Aug - 103 hours , 744 offline
Sept - 3 hours , 720 offline
Oct - 124 hours , 604 offline
We need your support!

Please consider a one-off or small recurring donation. We need your help to keep this site going.

Donate Now

Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Yorkshire Water NORMANTON/STW River Calder 32 454h 37m -
Yorkshire Water CARLETON/NO 2 STW River Little Went 28 236h 21m -
Yorkshire Water KNOTTINGLEY MARSH LN/CSO River Aire 28 210h 39m -
Yorkshire Water SOWGATE LANE/CSO Wash Dike 28 193h 18m -
Yorkshire Water CARLETON/NO 2 STW River Little Went 40 179h 23m -
Yorkshire Water ALTOFTS CHURCH ROAD/CSO Choke Churl Beck 19 156h 33m 189 h
Yorkshire Water CASTLEFORD RD/CSO Wain Dike Beck 24 150h 23m -
Yorkshire Water CASTLEFORD ROAD/CSO Wain Dike Beck 21 103h 47m 11 h
Yorkshire Water KNOTTINGLEY COMMON LN/CSO Town Dyke 25 98h 9m 0 h
Yorkshire Water STATION ROAD ALTOFTS/CSO Ashfield Beck 22 91h 48m 0 h
Yorkshire Water KNOTTINGLEY MARSH LN/CSO River Aire 9 49h 19m -
Yorkshire Water WHELDALE FARM/CSO River Aire 16 37h 25m -
Yorkshire Water CASTLEFORD/STW River Aire 10 34h 44m 0 h
Yorkshire Water AIREDALE/STW River Aire 24 29h 59m -
Yorkshire Water SOWGATE LANE/CSO Wash Dike 13 22h 41m -
Yorkshire Water FERRYBRIDGE/CSO Fryston Beck 11 18h 50m 0 h
Yorkshire Water BONDGATE/CSO Wash Dike 10 12h 14m -
Yorkshire Water WHELDON ROAD/CSO River Aire 13 11h 7m -
Yorkshire Water AIREDALE/STW River Aire 4 10h 31m -
Yorkshire Water ALL SAINTS CHURCH/CSO River Aire 11 9h 47m -
Yorkshire Water JAMES STREET/CSO River Aire 9 9h 21m -
Yorkshire Water GLASS HOUGHTON/CSO Carr Beck 12 8h 44m -
Yorkshire Water KNOTTINGLEY A1/CSO Aire 7 6h 50m -
Yorkshire Water AKETON ROAD CUTSYKE/CSO Carr Beck 4 2h 59m -
Yorkshire Water FRYSTON/CSO River Aire 2 1h 34m -
Yorkshire Water Unknown Unknown 0 0h 7,156 h
Yorkshire Water WHITWOOD/CSO Willowbridge Beck 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.