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River Colne polluted by sewage 1,002 times in 2025 - lasting 3,445 hours

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
Totals for River Colne in 2025
39 Sites polluted by Yorkshire Water
1,002 sewage dumps
3,445 h duration
That's 4.78 months. On average 2.7 times a day

Pollution Summary 2025

Here are all the reported sewage overflow totals for River Colne in 2025. Sometimes sewage can be being dumped for months at a time.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Yorkshire Water River Colne THISTLE STREET CSO 117 1,122 100
Yorkshire Water River Colne BARBER ROW NO 2 CSO 72 351 100
Yorkshire Water River Colne TITANIC MILLS CSO 50 212 100
Yorkshire Water River Colne WOOD BOTTOM CSO 57 203 99.8
Yorkshire Water River Colne BRIDGE ST CSO 45 188 100
Yorkshire Water River Colne BOG GREEN LANE 54 149 86.7
Yorkshire Water River Colne COLNE ROAD CSO 37 117 99.1
Yorkshire Water River Colne RED DOLES ROAD CSO 44 108 100
Yorkshire Water River Colne GORDON TERRACE CSO 29 107 99.7
Yorkshire Water River Colne NEWSOME ROAD CSO 40 90 100
Yorkshire Water River Colne DAISY STREET CSO 31 89 87.5
Yorkshire Water River Colne GASWORKS STREET CSO 49 85 100
Yorkshire Water River Colne LONGROYD MANCH ROAD CSO 47 65 57.3
Yorkshire Water River Colne ANCHOR STREET CSO 34 63 100
Yorkshire Water River Colne FACTORY LANE CSO 23 60 87.6
Yorkshire Water River Colne MORLEY LANE CSO 32 41 100
Yorkshire Water River Colne WILLOW LANE BECK CSO 28 37 100
Yorkshire Water River Colne BRADLEY MILLS ROAD SPS 3 36 100
Yorkshire Water River Colne WILLOW LANE CSO 27 34 100
Yorkshire Water River Colne BEN SHAWS CSO 18 32 72.4
Yorkshire Water River Colne CARR PIT ROAD CSO 10 32 100
Yorkshire Water River Colne MILNS SHAW LANE NO 2 CSO 20 31 99.7
Yorkshire Water River Colne KINGS MILL LANE NO 2 CSO 9 30 100
Yorkshire Water River Colne LONGLEY PARK CSO 9 30 99.8
Yorkshire Water River Colne FERNLEA GROVE CSO 16 28 100
Yorkshire Water River Colne EAST COWICK SEWAGE PUMPING STATION 23 20 100
Yorkshire Water River Colne DOG KENNEL BANK/SOMERSET ROAD CSO 13 17 100
Yorkshire Water River Colne BARGATE CSO 8 17 100
Yorkshire Water River Colne SCAR LANE CSO 11 15 99.8
Yorkshire Water River Colne BROOK LANE CSO 14 9 99.9
Yorkshire Water River Colne RAMSDEN MILL CSO 4 8 99.6
Yorkshire Water River Colne CROSLAND ST/BLACKMOORFOOT RD CSO 15 5 100
Yorkshire Water River Colne WHITEHEAD LANE CSO 5 1 100
Yorkshire Water River Colne COPLEY BANK CSO 1 0 100
Yorkshire Water River Colne ALANDALE ROAD BRADLEY CSO 2 0 100
Yorkshire Water River Colne ST THOMAS ROAD CSO 2 0 99.5
Yorkshire Water River Colne PICKFORD STREET CSO 1 0 99.8
Yorkshire Water River Colne IVY STREET CSO 1 0 100
Yorkshire Water River Colne LONGROYD MANCH ROAD CSO 1 0 92.3
Yorkshire Water River Colne BROOK MOTORS CSO 0 0 100
Yorkshire Water River Colne CHARLIE BROWNS CSO 0 0 100
Yorkshire Water River Colne LONGROYD BRIDGE CSO 0 0 99.9
Yorkshire Water River Colne SPRINGDALE MILLS CSO 0 0 99.9

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.