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River Holme at Honley Bridge No 2 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.
Operational Summary - 2021-2023
River Holme | 58 Spills |
56.2 hours | 0.21


The declared body of water receiving this discharge is the "River Holme"
This station has discharged sewage 58 time(s).
The station has discharged for a total of 56.2 hour(s).
This is 0.21% of the time which we have data for.
In total: 2 day(s)* of elapsed time.

94.6 | 1401.5 hours
This monitor has been operational for 94.6% of its total time we have data for.
There are 1401.59 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Honley Bridge No 2 CSO" is 2023, discharging sewage for 41.2 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 Holme | 27 Spills |
41.2 hours | 0.47

The declared body of water receiving this discharge is the "River Holme"
This station discharged sewage 27 time(s) during 2023.
The station discharged for a total of 41.2 hour(s).
This is around 1 day(s)* or 0.47% of the year.

99.7 | 21.9 hours
This monitor was operational for 99.7% of the year.
Leaving 21.9 hours unaccounted for in the data.


*This is total time in days, not individual days of the year.

Permit & Governance

AttributeValue
Governing BodyThe Environment Agency
OperatorYorkshire Water
Primary Permit #WRA8438
Secondary Permit #WRA8438 A1

2022
River Holme | 20 Spills |
11.5 hours | 0.13

The declared body of water receiving this discharge is the "River Holme"
This station discharged sewage 20 time(s) during 2022.
The station discharged for a total of 11.5 hour(s).
This is around 0 day(s)* or 0.13% of the year.

87.9 | 1052.9 hours
This monitor was operational for 87.9% of the year.
Leaving 1052.9 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:
Comms Failure / Issue

The following description has been given for downtime related actions intended, or taken, by the operator in 2022:
Resolved - Aug


*This is total time in days, not individual days of the year.

Permit & Governance

AttributeValue
Governing BodyThe Environment Agency
OperatorYorkshire Water
Primary Permit #WRA8438
Secondary Permit #WRA8438 A1

2021
River Holme | 11 Spills |
3.5 hours | 0.03

The declared body of water receiving this discharge is the "River Holme"
This station discharged sewage 11 time(s) during 2021.
The station discharged for a total of 3.5 hour(s).
This is around 0 day(s)* or 0.03% of the year.

98.9 | 96.3 hours
This monitor was operational for 98.9% of the year.
Leaving 96.3 hours unaccounted for in the data.


*This is total time in days, not individual days of the year.

Permit & Governance

AttributeValue
Governing BodyThe Environment Agency
OperatorYorkshire Water
Primary Permit #WRA8438
Secondary Permit #WRA8438 A1


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