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River Calder polluted by sewage 4,125 times in 2023 - lasting 32,553 hours

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
Totals for River Calder in 2023
58 Sites polluted by Yorkshire Water
4,125 sewage dumps
32,553 h duration
That's 3.77 years! On average 11.3 times a day

Pollution Summary 2023

Here are all the reported sewage overflow totals for River Calder in 2023. Sometimes sewage can be being dumped for months at a time.

These numbers are very slightly different from the Rivers page. We're working on it.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Yorkshire Water River Calder HUDDERSFIELD STW 467 5,313 99.05
Yorkshire Water River Calder HIGH ROYD SEWAGE TREATMENT WORKS 282 3,930 100
Yorkshire Water River Calder BONEGATE LN, ALEGER ST & THORNHILL 469 3,561 88.37
Yorkshire Water River Calder EASTWOOD WWTW 174 2,471 99.6
Yorkshire Water River Calder HORBURY (DUDFLEET) STW 219 2,447 98.5
Yorkshire Water River Calder PRINCESS BRIDGE NO 2 CSO 138 1,858 87.2
Yorkshire Water River Calder CALDERVALE (WAKEFIELD) STW 182 1,758 99.95
Yorkshire Water River Calder BREARLEY MAIN SEWER CSO 121 1,419 97.6
Yorkshire Water River Calder MILL LANE WWTW 108 1,297 99.8
Yorkshire Water River Calder MITCHELL LAITHES WWTW 62 1,032 12.45
Yorkshire Water River Calder SMALLEY BIGHT (STANLEY) STW 96 803 100
Yorkshire Water River Calder EASTWOOD NO2 CSO 77 794 68.1
Yorkshire Water River Calder ELLEN HOUSE ROAD 56 776 100
Yorkshire Water River Calder ALBION MILLS CSO 84 703 100
Yorkshire Water River Calder HORBURY BRIDGE SPS 98 421 97
Yorkshire Water River Calder THORNHILL DEWSBURY NO1 CSO 61 362 93.8
Yorkshire Water River Calder PARK HILL FARM CSO 85 319 100
Yorkshire Water River Calder WHARFE HOUSE CSO 106 318 100
Yorkshire Water River Calder OSSETT SPA SPS AND STORM TANKS 41 306 100
Yorkshire Water River Calder HEALEY ROAD OSSETT CSO 79 284 99.5
Yorkshire Water River Calder FIELDING STREET CSO 46 254 95.6
Yorkshire Water River Calder EASTMOOR CSO 60 220 69.1
Yorkshire Water River Calder ELLAND LOWFIELDS SPS 80 189 100
Yorkshire Water River Calder RAILWAY STREET (B TO D) CSO 40 188 71.3
Yorkshire Water River Calder BURNLEY ROAD CORNHOLME CSO 51 181 97.1
Yorkshire Water River Calder HAZELWOOD STREET CSO 69 156 99.8
Yorkshire Water River Calder THORNES LANE WHARFE CSO 43 147 100
Yorkshire Water River Calder POLLARD STREET NO 2 CSO 45 99 97.7
Yorkshire Water River Calder BRAMSTON STREET CSO 63 88 100
Yorkshire Water River Calder SOWERBY NEW ROAD CSO 82 87 92.8
Yorkshire Water River Calder RAVENS HUDDERSFIELD RD CSO 27 85 96.6
Yorkshire Water River Calder ASHENHURST ROAD 65 85 97.8
Yorkshire Water River Calder DARK LANE NO 2 CSO 56 70 96.5
Yorkshire Water River Calder BIRDS ROYD LANE CSO 73 70 100
Yorkshire Water River Calder ABERFORD ROAD CSO 45 66 100
Yorkshire Water River Calder BACK WHARF STREET CSO 55 65 65.2
Yorkshire Water River Calder BRIDGE LANE/MARKET STREET 13 56 66
Yorkshire Water River Calder LOWER EDGE ROAD CSO 31 45 94.1
Yorkshire Water River Calder SOWERBY BRIDGE SEWAGE PUMPING STN 30 38 99.7
Yorkshire Water River Calder FIR COTTAGE CSO 6 37 99.9
Yorkshire Water River Calder WEST VALE 35 29 53.6
Yorkshire Water River Calder THORNHILL PARK AVENUE CSO 2 28 58.2
Yorkshire Water River Calder CALDER BANK ROAD CSO 3 22 92.7
Yorkshire Water River Calder RIVER STREET CSO 11 20 25.7
Yorkshire Water River Calder WOODHOUSE LANE CSO 21 11 100
Yorkshire Water River Calder MITCHELL STREET CSO 2 5 46.1
Yorkshire Water River Calder ELLAND LANE CSO 2 5 100
Yorkshire Water River Calder NEWGATE CSO 1 4 68.6
Yorkshire Water River Calder TOWN HALL STREET CSO 32 4 100
Yorkshire Water River Calder HANGINGROYD ROAD CSO 9 2 95
Yorkshire Water River Calder DYEHOUSE LANE CSO 14 1 100
Yorkshire Water River Calder PARK ROAD CSO 1 1 95.4
Yorkshire Water River Calder DENBY DALE ROAD CSO 2 1 100
Yorkshire Water River Calder BOTTOM BOAT ROAD SSO 1 1 59.4
Yorkshire Water River Calder FIDDLERS HILL 1 0 98.2
Yorkshire Water River Calder COOPER BRIDGE CSO 1 0 30.2
Yorkshire Water River Calder WHINNEY MOOR PUB HOUSE CSO 1 0 99.8
Yorkshire Water River Calder PEAR TREE HOLLINS CSO 1 0 100
Yorkshire Water River Calder GAS WORKS LANE 0 0 100
Yorkshire Water River Calder FERNHILL CSO 0 0 0
Yorkshire Water River Calder SCOUT ROAD CSO 0 0 99.7
Yorkshire Water River Calder REDACRE STW 0 0 100
Yorkshire Water River Calder LORDS LANE BRIGHOUSE CSO 0 0 74.1
Yorkshire Water River Calder MILLGATE SPS 0 0 100
Yorkshire Water River Calder THE DRIVE/CALDENE AVENUE CSO 0 0 98.5
Yorkshire Water River Calder LILLANDS LANE CSO 0 0 100
Yorkshire Water River Calder PARK ROAD SPS 0 0 100
Yorkshire Water River Calder CROW NEST BRIDGE CSO 0 0 99.7
Yorkshire Water River Calder SOUTH STREET CSO 0 0 89.9
Yorkshire Water River Calder THORNHILL SYPHON CSO 0 0 14.1
Yorkshire Water River Calder LONGBOTTOM BRIDGE CSO 0 0 99.1
Yorkshire Water River Calder ROCHDALE CANAL CSO 0 0 100
Yorkshire Water River Calder COPLEY VILLAGE SPS 0 0 100
Yorkshire Water River Calder SWALLOWS NEST CSO 0 0 0

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.