Polluted by sewage 717 times in 2025 lasting 2,649 hours
Monitoring fell below 50% in some locations so could be more
Your local MP is Kate Dearden (Labour/Co-operative) - Find out more about their interests, donors, and voting at They Work For You
Please consider a one-off or small recurring donation. We need your help to keep this site going.
Donate NowHere are all the reported sewage overflow totals for Sowerby Bridge in 2025. 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 place 1 of the total 18 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway locations had reporting enabled for less than half the year.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Yorkshire Water | River Calder | HIGH ROYD SEWAGE TREATMENT WORKS | 206 | 1,195 | 99.77 |
| Yorkshire Water | River Ryburn | NEW INN WEST STREET CSO | 77 | 604 | 100 |
| Yorkshire Water | River Ryburn | WEST STREET COMBINED SEWER OVERFLOW | 103 | 283 | 100 |
| Yorkshire Water | River Calder | WHARFE HOUSE CSO | 65 | 145 | 98.5 |
| Yorkshire Water | River Calder | SOWERBY NEW ROAD CSO | 66 | 73 | 100 |
| Yorkshire Water | River Calder | ELLEN HOUSE ROAD | 7 | 72 | 100 |
| Yorkshire Water | River Calder | LONGBOTTOM BRIDGE CSO | 9 | 71 | 100 |
| Yorkshire Water | Calder+Hebble Navigation Canal | WAKEFIELD ROAD 90 CSO | 39 | 69 | 95.2 |
| Yorkshire Water | River Calder | BACK WHARF STREET CSO | 33 | 43 | 86.8 |
| Yorkshire Water | River Calder | PEAR TREE HOLLINS CSO | 66 | 30 | 100 |
| Yorkshire Water | River Calder | SOWERBY BRIDGE SEWAGE PUMPING STN | 8 | 26 | 100 |
| Yorkshire Water | River Ryburn | WATSON MILL LANE CSO | 7 | 17 | 27 |
| Yorkshire Water | Rochdale Canal | HOLLINS LANE CSO | 7 | 7 | 92.6 |
| Yorkshire Water | River Calder | ROCHDALE CANAL CSO | 2 | 4 | 100 |
| Yorkshire Water | River Calder | TOWN HALL STREET CSO | 18 | 2 | 99.9 |
| Yorkshire Water | Nether Ends Beck | STANSFIELD MILL CSO | 4 | 2 | 58 |
| Yorkshire Water | River Ryburn | SOWERBY CROFT LANE NO 2 CSO | 0 | 0 | 100 |
| Yorkshire Water | Warley Clough Dams | WARLEY CLOUGH CSO | 0 | 0 | 99.9 |
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
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.