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 - 2022-2023
River Calder | 279 Spills | 2681.5 hours | 15.3
The declared body of water receiving this discharge is the "River Calder" This station has discharged sewage 279 time(s). The station has discharged for a total of 2681.5 hour(s). This is 15.3% of the time which we have data for. In total: 111 day(s)* of elapsed time.
97 | 525.6 hours This monitor has been operational for 97% of its total time we have data for. There are 525.6 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Bonegate Lane CSO" is 2023, discharging sewage for 1820.7 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
River Calder | 163 Spills | 1820.7 hours | 20.78 The declared body of water receiving this discharge is the "River Calder" This station discharged sewage 163 time(s) during 2023. The station discharged for a total of 1820.7 hour(s). This is around 75 day(s)* or 20.78% of the year. The following reasons have been given for the high spill frequency in 2023: Not Asset Maintenance - Hydraulic Capacity The following comments have been given on the station operators intended actions: N/A - Hydraulic Capacity
95.1 | 421.3 hours This monitor was operational for 95.1% of the year. Leaving 421.3 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
Yorkshire Water
Primary Permit #
WRA8439
Secondary Permit #
EPR/RB3791AR A1
2022
River Calder | 116 Spills | 860.7 hours | 9.82 The declared body of water receiving this discharge is the "River Calder" This station discharged sewage 116 time(s) during 2022. The station discharged for a total of 860.7 hour(s). This is around 35 day(s)* or 9.82% of the year. The following reasons have been given for the high spill frequency in 2022: Not Asset Maintenance - Hydraulic Capacity The following comments have been given on the station operators intended actions: N/A - Hydraulic Capacity
99.6 | 32.4 hours This monitor was operational for 99.6% of the year. Leaving 32.4 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
Yorkshire Water
Primary Permit #
WRA8439
Secondary Permit #
EPR/RB3791AR A1
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Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
River Calder at Copley
River Calder between Sowerby Bridge and Copley
River Calder at Elland - North Dean Business Park to Park Road
River Calder at Brighouse
River Calder at Brighouse - Brookfoot Mills
River Calder at Bradley
River Calder at Brighouse - Nun Bank Wood
River Calder at Brighouse - Brookfoot Business Park
River Calder at Elland - Saddleworth Road to Lowfields Business Park
River Calder and River Ryburn at Sowerby Bridge
River Calder and River Ryburn at Central Sowerby Bridge
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