Join Us 3rd November 2024 - London

March for Clean Water

Colne Valley was polluted by sewage 2,268 times in 2023
lasting 16,702 hours - that's 1.93 years!
- but monitoring was disabled in some locations, so could be more

© OpenStreetMap contributors
Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
✔ means we have experimental daily data since 2023
Totals for Colne Valley in 2023
44 Sites polluted by Yorkshire Water
2,268 sewage dumps
16,702 h duration
That's 1.93 years! On average 6.2 times a day
Change Over Time
Take Action
Your local MP is Paul Davies (Labour) - Find out more about their interests, donors, and voting at They Work For You

Constituencies near Colne Valley
Waterways in Colne Valley

Pollution Summary 2023

Here are all the reported sewage overflow totals for Colne Valley in 2023. 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 Mag Brook MELTHAM STW 129 2,178 97.7
Yorkshire Water River Holme LONGLANDS ROAD CSO 103 2,078 100
Yorkshire Water River Colne BARBER ROW NO 2 CSO 136 1,460 100
Yorkshire Water New Mill Dike SINKING WOOD NO2 CSO 86 1,429 99.9
Yorkshire Water River Holme NEILEY WWTW 80 1,323 100
Yorkshire Water Red Lane Dike POLE MOOR SPS 72 959 99.7
Yorkshire Water River Holme QUEENS SQUARE CSO 98 929 99.6
Yorkshire Water River Holme HONLEY HUDDERSFIELD ROAD NO 2 96 771 100
Yorkshire Water Mag Brook THIRSTIN ROAD NO2 CSO 83 710 100
Yorkshire Water River Colne WOOD BOTTOM CSO 94 497 84.1
Yorkshire Water River Colne BRIDGE ST CSO 83 449 100
Yorkshire Water Stubbin Clough DOBB LANE NO 2 CSO 63 346 98.2
Yorkshire Water Jackson Bridge Dike SPRING WOOD CSO 85 325 78.4
Yorkshire Water Hey Clough HEY CLOUGH SPS 52 303 100
Yorkshire Water River Holme PICKWICK MILL CSO 51 302 99.9
Yorkshire Water Culv'D Hoyle House Brk CAUSEWAY SIDE TOP CSO 68 290 90.6
Yorkshire Water River Colne RAMSDEN MILL CSO 61 272 96.3
Yorkshire Water Hoyle House Brook CAUSEWAY SIDE 13 C.S.O 40 254 99.8
Yorkshire Water Longwood Brook LEYMOOR ROAD CSO 57 208 78
Yorkshire Water River Colne GORDON TERRACE CSO 62 192 99.5
Yorkshire Water River Holme CORN MILL NO 2 CSO 56 178 100
Yorkshire Water River Holme TOWNGATE HOLMFIRTH 2 CSO 44 168 100
Yorkshire Water No Details EAST COWICK SEWAGE PUMPING STATION 64 148 100
Yorkshire Water Culv River Holme HONLEY EASTGATE CSO 16 119 90.5
Yorkshire Water River Colne FACTORY LANE CSO 34 76 99.8
Yorkshire Water New Mill Dike HOLME BOTTOM CSO 36 76 86.1
Yorkshire Water River Colne MORLEY LANE CSO 49 74 100
Yorkshire Water Longwood Brook LOWER HIRST CSO 41 65 83.4
Yorkshire Water Grimescar Dike BURN ROAD CSO 37 56 99.8
Yorkshire Water Rakes Dyke HEPWORTH ROAD CSO 20 53 99.7
Yorkshire Water River Colne BARGATE CSO 25 48 99.6
Yorkshire Water River Colne FERNLEA GROVE CSO 35 45 100
Yorkshire Water River Holme HONLEY BRIDGE NO 2 CSO 27 41 99.8
Yorkshire Water Meltham Dike MELTHAM CSO 19 39 32.1
Yorkshire Water River Ribble SWAN BANK NO 2 CSO 12 35 92
Yorkshire Water Meltham Dike MEAN BRIDGE CSO 20 35 99.9
Yorkshire Water Culverted Longwood Brook NEW HEY ROAD CSO 25 33 100
Yorkshire Water Jackson Bridge Dyke JACKSON BRIDGE NO 2 CSO 16 32 99.9
Yorkshire Water River Colne MILNS SHAW LANE NO 2 CSO 25 30 100
Yorkshire Water Longwood Brook DALE STREET CSO 20 20 58.4
Yorkshire Water River Holme HONLEY NEWTOWN NO 2 CSO 26 18 100
Yorkshire Water Jackson Bridge Dike ST GEORGE'S ROAD CSO 17 17 100
Yorkshire Water Longwood Brook MILNSBRIDGE (MARKET STREET) CSO 4 2 87
Yorkshire Water River Colne TITANIC MILLS CSO 1 0 95.5
Yorkshire Water Rakes Dyke BUTT LANE CSO 0 0 99.1
Yorkshire Water Hoyle House Brook STONES LANE/WAINGATE CSO 0 0 100
Yorkshire Water River Colne PICKFORD STREET CSO 0 0 83.5
Yorkshire Water Culv River Holme BROCKHOLES LANE CSO 0 0 43.1
Yorkshire Water New Mill Dike NEW MILL LIBRARY CSO 0 0 0
Yorkshire Water River Colne SCAR LANE CSO 0 0 26.5
Yorkshire Water River Colne COPLEY BANK CSO 0 0 99.9
Yorkshire Water Clay Wood Brook NETTLETON HILL CSO 0 0 86
Yorkshire Water River Holme THURSTONLAND CSO 0 0 82.6
Yorkshire Water River Holme HOLMFIRTH BRIDGE LANE CSO 0 0 99.6
Yorkshire Water River Holme COOPER LANE CSO 0 0 100
Yorkshire Water Digley Brook WOODHEAD ROAD CSO 0 0 91.2
Yorkshire Water River Colne BROOK LANE CSO 0 0 99.9
Yorkshire Water New Mill Dike KIRKBRIDGE LANE CSO 0 0 1.9
Yorkshire Water New Mill Dike HUDDERSFIELD ROAD 0 0 14.7

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.

Top of the Poops

Analysing sewage pollution by the Water Industry

Follow on Instagram

With generous support from:

Surfers Against Sewage logo

Media Queries

Get in touch if you have queries or want to discuss our data.

press [at] top-of-the-poops.org

Please Support Us

We rely on donations to fund our work. Please support us if you can
Yes! Support TOTP!

(C) 2020, 2021 Top-Of-The-Poops CC-BY-SA 4.0 - You must credit us when reusing our data
(C) Openstreetmap contributors,
Contains OS data © Crown copyright and database right 2021-2023

Full Copyright information available here