River Calder at Hangingroyd Road CSO

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

River Calder | 10 Spills |
3 hours | 0.01

The declared body of water receiving this discharge is the "River Calder"
This station has discharged sewage 10 time(s).
The station has discharged for a total of 3 hour(s).
This is 0.01% of the time which we have data for.
In total: 0 day(s)* of elapsed time.

88 | 3153.6 hours
This monitor has been operational for 88% of its total time we have data for.
There are 3153.6 hours unaccounted for due to downtime of the monitor.

The worst year in our records for the "Hangingroyd Road CSO" is 2023, discharging sewage for 2.7 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 | 9 Spills |
2.7 hours | 0.03
The declared body of water receiving this discharge is the "River Calder"
This station discharged sewage 9 time(s) during 2023.
The station discharged for a total of 2.7 hour(s).
This is around 0 day(s)* or 0.03% of the year.

94.9 | 440.6 hours
This monitor was operational for 94.9% of the year.
Leaving 440.6 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 #	WRA9269
Secondary Permit #	WRA9269 1

2022

River Calder | 0 Spills |
0 hours | 0
The declared body of water receiving this discharge is the "River Calder"
This station discharged sewage 0 time(s) during 2022.
The station discharged for a total of 0 hour(s).
This is around 0 day(s)* or 0% of the year.

99.9 | 6.1 hours
This monitor was operational for 99.9% of the year.
Leaving 6.1 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 #	WRA9269
Secondary Permit #	WRA9269 1

2021

Note: Data is potentially unreliable in 2021
Due to high unavailability of the monitor

River Calder | 1 Spills |
0.3 hours | 0
The declared body of water receiving this discharge is the "River Calder"
This station discharged sewage 1 time(s) during 2021.
The station discharged for a total of 0.3 hour(s).
This is around 0 day(s)* or 0% of the year.

71.6 | 2487.8 hours
This monitor was operational for 71.6% of the year.
Leaving 2487.8 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 2021:
Comms Failure / Issue

The following description has been given for downtime related actions intended, or taken, by the operator in 2021:
Resolved - June

*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 #	WRA9269
Secondary Permit #	WRA9269 1

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Operator comments are presented, unedited, as they were received by us and do not reflect our views or position

Local Information

Nearby Flood Warnings

Upper River Calder catchment

River Calder at Hebden Bridge - Mytholm and Hebble End

Nearby Alert Areas

River Calder at Central Mytholmroyd

River Calder and Hebden Water at Hebden Bridge

Station Data Information

Station overseen (meaning either provided, or regulated) by: The Environment Agency
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