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Mill Stream at Prestbury Linden Close CSO

This station collects multiple metrics

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
Mill Stream | 331 Spills |
444.3 hours | 1.69


The declared body of water receiving this discharge is the "Mill Stream"
This station has discharged sewage 331 time(s).
The station has discharged for a total of 444.3 hour(s).
This is 1.69% of the time which we have data for.
In total: 18 day(s)* of elapsed time.

95 | 1314 hours
This monitor has been operational for 95% of its total time we have data for.
There are 1314 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Prestbury Linden Close CSO" is 2021, discharging sewage for 287.7 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
Mill Stream | 53 Spills |
95.5 hours | 1.09

The declared body of water receiving this discharge is the "Mill Stream"
This station discharged sewage 53 time(s) during 2023.
The station discharged for a total of 95.5 hour(s).
This is around 3 day(s)* or 1.09% 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

95.2 | 420.4 hours
This monitor was operational for 95.2% of the year.
Leaving 420.4 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
OperatorSevern Trent Water
Primary Permit #S/17/08870/O
Secondary Permit #S/17/08870/O

2022
Mill Stream | 44 Spills |
61 hours | 0.69

The declared body of water receiving this discharge is the "Mill Stream"
This station discharged sewage 44 time(s) during 2022.
The station discharged for a total of 61 hour(s).
This is around 2 day(s)* or 0.69% 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

99.9 | 1.7 hours
This monitor was operational for 99.9% of the year.
Leaving 1.7 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
OperatorSevern Trent Water
Primary Permit #S/17/08870/O
Secondary Permit #S/17/08870/O

2021
Mill Stream | 234 Spills |
287.7 hours | 3.28

The declared body of water receiving this discharge is the "Mill Stream"
This station discharged sewage 234 time(s) during 2021.
The station discharged for a total of 287.7 hour(s).
This is around 11 day(s)* or 3.28% 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

91.5 | 744.6 hours
This monitor was operational for 91.5% of the year.
Leaving 744.6 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
OperatorSevern Trent Water
Primary Permit #S/17/08870/O
Secondary Permit #S/17/08870/O


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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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