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River Etherow at Whoolley Lane CSO 44024

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 Etherow | 298 Spills |
1473.6 hours | 5.6


The declared body of water receiving this discharge is the "River Etherow"
This station has discharged sewage 298 time(s).
The station has discharged for a total of 1473.6 hour(s).
This is 5.6% of the time which we have data for.
In total: 61 day(s)* of elapsed time.

96.3 | 963.6 hours
This monitor has been operational for 96.3% of its total time we have data for.
There are 963.6 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Whoolley Lane CSO 44024" is 2022, discharging sewage for 710.3 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 Etherow | 109 Spills |
389.7 hours | 4.44

The declared body of water receiving this discharge is the "River Etherow"
This station discharged sewage 109 time(s) during 2023.
The station discharged for a total of 389.7 hour(s).
This is around 16 day(s)* or 4.44% 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

94.5 | 481.8 hours
This monitor was operational for 94.5% of the year.
Leaving 481.8 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
OperatorUnited Utilities
Primary Permit #016993525
Secondary Permit #TAM0142

2022
River Etherow | 103 Spills |
710.3 hours | 8.1

The declared body of water receiving this discharge is the "River Etherow"
This station discharged sewage 103 time(s) during 2022.
The station discharged for a total of 710.3 hour(s).
This is around 29 day(s)* or 8.1% 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

97.5 | 214.6 hours
This monitor was operational for 97.5% of the year.
Leaving 214.6 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
OperatorUnited Utilities
Primary Permit #016993525
Secondary Permit #TAM0142

2021
River Etherow | 86 Spills |
373.5 hours | 4.26

The declared body of water receiving this discharge is the "River Etherow"
This station discharged sewage 86 time(s) during 2021.
The station discharged for a total of 373.5 hour(s).
This is around 15 day(s)* or 4.26% of the year.

The following reasons have been given for the high spill frequency in 2021:
Not Asset Maintenance - Hydraulic Capacity

The following comments have been given on the station operators intended actions:
N/A - Hydraulic Capacity

98 | 175.2 hours
This monitor was operational for 98% of the year.
Leaving 175.2 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
OperatorUnited Utilities
Primary Permit #016993525
Secondary Permit #TAM0142


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