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 | 239 Spills | 1039.7 hours | 5.93
The declared body of water receiving this discharge is the "River Calder" This station has discharged sewage 239 time(s). The station has discharged for a total of 1039.7 hour(s). This is 5.93% of the time which we have data for. In total: 43 day(s)* of elapsed time.
61.5 | 6745.2 hours This monitor has been operational for 61.5% of its total time we have data for. There are 6745.2 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Bonegate Lane CSO" is 2022, discharging sewage for 543.7 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
Note: Data is potentially unreliable in 2023 Due to high unavailability of the monitor
River Calder | 144 Spills | 496 hours | 5.66 The declared body of water receiving this discharge is the "River Calder" This station discharged sewage 144 time(s) during 2023. The station discharged for a total of 496 hour(s). This is around 20 day(s)* or 5.66% 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
74.9 | 2196.1 hours This monitor was operational for 74.9% of the year. Leaving 2196.1 hours unaccounted for in the data. This falls below the 90% threshold where a reason should be given
The following reasons have been given for the downtime in 2023: Comms Failure / Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2023: Resolved - Jun
*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/RB3790WE A1
2022
Note: Data is potentially unreliable in 2022 Due to high unavailability of the monitor
River Calder | 95 Spills | 543.7 hours | 6.2 The declared body of water receiving this discharge is the "River Calder" This station discharged sewage 95 time(s) during 2022. The station discharged for a total of 543.7 hour(s). This is around 22 day(s)* or 6.2% 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
49.4 | 4424.6 hours This monitor was operational for 49.4% of the year. Leaving 4424.6 hours unaccounted for in the data. This falls below the 90% threshold where a reason should be given
The following reasons have been given for the downtime in 2022: Power Failure / Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2022: Scheduled
*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/RB3790WE 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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