This is a sewage discharge monitoring station, which is usually a type of Event Duration Monitor (EDM). These stations themselves are designed to mitigate the impact of heavy rainfall by discharging, under permitted conditions, any overflow into a water body. They are often actively discharging during flood events. This page presents the data acquired by the monitoring system for this discharge station.
Sewage Reports that include this Station
Operational Summary - 2021-2023
Dean Clough River Calder | 59 Spills | 72.7 hours | 0.27
The declared body of water receiving this discharge is the "Dean Clough River Calder" This station has discharged sewage 59 time(s). The station has discharged for a total of 72.7 hour(s). This is 0.27% of the time which we have data for. In total: 3 day(s)* of elapsed time.
97.6 | 613.1 hours This monitor has been operational for 97.6% of its total time we have data for. There are 613.19 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Slade Lane CSO" is 2021, discharging sewage for 35 hours of the year.
Uptimes below 90% (red line) should be accompanied by a reason
*This is total time in days, not individual days.
Yearly Summary
Most Recent Year - 2023
Dean Clough River Calder | 24 Spills | 33.7 hours | 0.38 The declared body of water receiving this discharge is the "Dean Clough River Calder" This station discharged sewage 24 time(s) during 2023. The station discharged for a total of 33.7 hour(s). This is around 1 day(s)* or 0.38% of the year.
100 | 0 hours This monitor was operational for 100% of the year. Leaving 0 hours unaccounted for in the data.
*This is total time in days, not individual days of the year.
Permit & Governance
Attribute
Value
Governing Body
The Environment Agency
Operator
United Utilities
Primary Permit #
01BUR0025
Secondary Permit #
BUR0025
2022
Dean Clough, River Calder | 13 Spills | 3.9 hours | 0.04 The declared body of water receiving this discharge is the "Dean Clough, River Calder" This station discharged sewage 13 time(s) during 2022. The station discharged for a total of 3.9 hour(s). This is around 0 day(s)* or 0.04% of the year.
93.2 | 590.4 hours This monitor was operational for 93.2% of the year. Leaving 590.4 hours unaccounted for in the data.
*This is total time in days, not individual days of the year.
Permit & Governance
Attribute
Value
Governing Body
The Environment Agency
Operator
United Utilities
Primary Permit #
01BUR0025
Secondary Permit #
BUR0025
2021
Dean Clough River Calder | 22 Spills | 35 hours | 0.39 The declared body of water receiving this discharge is the "Dean Clough River Calder" This station discharged sewage 22 time(s) during 2021. The station discharged for a total of 35 hour(s). This is around 1 day(s)* or 0.39% of the year.
100 | 0 hours This monitor was operational for 100% of the year. Leaving 0 hours unaccounted for in the data.
*This is total time in days, not individual days of the year.
Permit & Governance
Attribute
Value
Governing Body
The Environment Agency
Operator
United Utilities
Primary Permit #
01BUR0025
Secondary Permit #
BUR0025
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Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
River Calder in east Lancashire
River Calder at Padiham, comprising the business park at Mead Way
River Calder at Whalley, between Accrington Rd, Judge Walmsley Mill and Hackings Caravan Park
River Calder at Padiham, around Council offices, Lune St, Ribble St and Burnley Rd
River Calder at Whalley, comprising King St north of Accrington Rd
Sefton Street Watercourse at Brierfield
River Calder at Padiham, between Wyre St and Park Rd, Station Rd and Burnley Rd
Pendle Water at Lomeshaye, Business Village and Industrial Estate
Pendle Water at Lomeshaye, Victoria Park and Park Avenue
River Calder at Whalley, around Hole House Farm and Calder Vale
Pendle Water at Lomeshaye, football ground, Kirby Road and Lindred Road
Station overseen (meaning either provided, or regulated) by: The Environment Agency The information displayed here is used under license. We are not affiliated with any governing, or other, bodies. Nor do they necessarily endorse us, or us them. Please note that FloodMapper does not verify or check the accuracy of the data provided by third parties. The data is used as received from the source. Any underlying errors, inconsistencies, or inaccuracies in the original data will be reflected in the information presented on our platform. Users are advised to exercise their own judgment and caution when using the data for decision-making purposes. Information about our data sources and licenses can be found
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