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River Calder polluted by sewage 1,332 times in 2023 - lasting 12,012 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
17 Sites polluted by United Utilities
1,332 sewage dumps
12,012 h duration
That's 1.39 years! On average 3.6 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 %
United Utilities River Calder BURNLEY STW 159 2,556 99.2
United Utilities River Calder BILLINGTON WWTW 157 2,375 99.3
United Utilities River Calder WHALLEY WASTEWATER TREAMENT WORKS 152 2,260 91.8
United Utilities River Calder ALTHAM OUTFALL (FENNYFOLD) CSO 153 1,381 79.3
United Utilities River Calder RIDDING LANE CSO (342X5) 104 865 100
United Utilities River Calder HYNDBURN WWTW HYNBD 71 808 100
United Utilities River Calder CALDER BRIDGE WWTW 49 618 70.2
United Utilities River Calder HONEY HOLME LANE CSO 85 334 100
United Utilities River Calder LONGWORTH RD/R'WAY VIADUCT 73 271 100
United Utilities River Calder INSKIP STREET (082AK) CSO 87 206 100
United Utilities River Calder OPP 76 BURNLEY ROAD CSO 88 131 96.2
United Utilities River Calder ADJACENT TO PADIHAM LEISURE CENTRE 43 102 92.2
United Utilities River Calder STATION ROAD (PALIHAM) CSO 72 49 94.4
United Utilities River Calder CALDER VALE PUMPING STATION 14 23 100
United Utilities River Calder SIMONSTONE LANE CSO 10 22 100
United Utilities River Calder BROOKLANDS ROAD/TODMORDEN ROAD CSO 14 4 100
United Utilities River Calder PARK ROAD COMBINED SEWER OVERFLOW 1 0 100
United Utilities River Calder LIVERPOOL ROAD CSO (088NF) 0 0 100
United Utilities River Calder WATERBARN STREET/BARDEN LANE CSO 0 0 100
United Utilities River Calder SHUTTLEWORTH STCALDER ST CSO 0 0 96.9

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. 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.