Colne Valley was polluted by sewage 1,722 times in 2024
lasting 9,185 hours - that's 1.06 years!
- but monitoring was disabled in some locations, so could be more

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© Top of the Poops 2021-2024
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✔ means we have experimental daily data since 2023
Totals for Colne Valley in 2024
51 Sites polluted by Yorkshire Water
1,722 sewage dumps
9,185 h duration
That's 1.06 years! On average 4.7 times a day
Change Over Time
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Pollution Summary 2024

Here are all the reported sewage overflow totals for Colne Valley in 2024. 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 1 of the total 59 CSO locations had reporting enabled for less than half the year, of which 1 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Yorkshire Water River Holme LONGLANDS ROAD CSO 106 2,152 100
Yorkshire Water Mag Brook MELTHAM STW 105 991 99.1
Yorkshire Water New Mill Dike SINKING WOOD NO2 CSO 70 891 100
Yorkshire Water River Holme NEILEY WWTW 68 886 100
Yorkshire Water Red Lane Dike POLE MOOR SPS 54 477 100
Yorkshire Water River Colne BARBER ROW NO 2 CSO 74 388 100
Yorkshire Water River Holme HONLEY HUDDERSFIELD ROAD NO 2 67 335 98.3
Yorkshire Water River Holme QUEENS SQUARE CSO 67 323 92.9
Yorkshire Water Culv'D Hoyle House Brk CAUSEWAY SIDE TOP CSO 86 261 96.9
Yorkshire Water River Colne WOOD BOTTOM CSO 66 234 99.8
Yorkshire Water River Colne BRIDGE ST CSO 51 213 100
Yorkshire Water Longwood Brook LEYMOOR ROAD CSO 85 211 99.4
Yorkshire Water Mag Brook THIRSTIN ROAD NO2 CSO 58 198 98.4
Yorkshire Water No Details EAST COWICK SEWAGE PUMPING STATION 74 188 98.25
Yorkshire Water Longwood Brook MILNSBRIDGE (MARKET STREET) CSO 69 130 97.3
Yorkshire Water Stubbin Clough DOBB LANE NO 2 CSO 33 129 100
Yorkshire Water Hey Clough HEY CLOUGH SPS 22 124 100
Yorkshire Water River Holme CORN MILL NO 2 CSO 41 104 100
Yorkshire Water Jackson Bridge Dike SPRING WOOD CSO 43 102 90.4
Yorkshire Water River Holme PICKWICK MILL CSO 25 98 99.7
Yorkshire Water River Colne GORDON TERRACE CSO 37 93 100
Yorkshire Water River Colne TITANIC MILLS CSO 26 92 70.7
Yorkshire Water River Colne FACTORY LANE CSO 32 61 99.8
Yorkshire Water River Holme TOWNGATE HOLMFIRTH 2 CSO 25 55 100
Yorkshire Water New Mill Dike HOLME BOTTOM CSO 29 53 99.9
Yorkshire Water Grimescar Dike BURN ROAD CSO 30 48 99.9
Yorkshire Water River Colne MORLEY LANE CSO 33 43 97.2
Yorkshire Water Meltham Dike MELTHAM CSO 10 29 51.6
Yorkshire Water Jackson Bridge Dyke JACKSON BRIDGE NO 2 CSO 20 26 99.6
Yorkshire Water Longwood Brook DALE STREET CSO 15 25 32.7
Yorkshire Water River Colne BARGATE CSO 17 23 100
Yorkshire Water Hoyle House Brook CAUSEWAY SIDE 13 C.S.O 20 22 92.7
Yorkshire Water Meltham Dike MEAN BRIDGE CSO 12 21 99.8
Yorkshire Water River Colne FERNLEA GROVE CSO 21 21 100
Yorkshire Water River Colne MILNS SHAW LANE NO 2 CSO 16 21 100
Yorkshire Water Culverted Longwood Brook NEW HEY ROAD CSO 13 20 100
Yorkshire Water Jackson Bridge Dike ST GEORGE'S ROAD CSO 17 20 99.4
Yorkshire Water Longwood Brook LOWER HIRST CSO 18 13 59.9
Yorkshire Water River Holme HONLEY NEWTOWN NO 2 CSO 23 11 100
Yorkshire Water Rakes Dyke HEPWORTH ROAD CSO 9 6 100
Yorkshire Water River Ribble SWAN BANK NO 2 CSO 4 6 100
Yorkshire Water New Mill Dike NEW MILL LIBRARY CSO 5 5 10.3
Yorkshire Water River Holme HONLEY BRIDGE NO 2 CSO 6 5 98.9
Yorkshire Water River Colne RAMSDEN MILL CSO 8 2 98.2
Yorkshire Water Hoyle House Brook STONES LANE/WAINGATE CSO 3 2 11.2
Yorkshire Water River Colne COPLEY BANK CSO 3 0 97.8
Yorkshire Water River Colne BROOK LANE CSO 2 0 100
Yorkshire Water River Colne PICKFORD STREET CSO 1 0 84.3
Yorkshire Water River Holme THURSTONLAND CSO 1 0 99.9
Yorkshire Water River Holme COOPER LANE CSO 1 0 100
Yorkshire Water Culv River Holme HONLEY EASTGATE CSO 1 0 92.7
Yorkshire Water River Holme HOLMFIRTH BRIDGE LANE CSO 0 0 96.8
Yorkshire Water Digley Brook WOODHEAD ROAD CSO 0 0 75.5
Yorkshire Water Culv River Holme BROCKHOLES LANE CSO 0 0 67.5
Yorkshire Water New Mill Dike HUDDERSFIELD ROAD 0 0 59.1
Yorkshire Water Clay Wood Brook NETTLETON HILL CSO 0 0 0
Yorkshire Water New Mill Dike KIRKBRIDGE LANE CSO 0 0 48.9
Yorkshire Water Rakes Dyke BUTT LANE CSO 0 0 99.6
Yorkshire Water River Colne SCAR LANE CSO 0 0 64.5

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. This 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.