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Trib Of River Derwent at Carbolite 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
Trib Of River Derwent | 84 Spills |
270.6 hours | 1.02


The declared body of water receiving this discharge is the "Trib Of River Derwent"
This station has discharged sewage 84 time(s).
The station has discharged for a total of 270.6 hour(s).
This is 1.02% of the time which we have data for.
In total: 11 day(s)* of elapsed time.

99.3 | 175.2 hours
This monitor has been operational for 99.3% of its total time we have data for.
There are 175.2 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Carbolite CSO" is 2023, discharging sewage for 124.1 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
Trib Of River Derwent | 32 Spills |
124.1 hours | 1.41

The declared body of water receiving this discharge is the "Trib Of River Derwent"
This station discharged sewage 32 time(s) during 2023.
The station discharged for a total of 124.1 hour(s).
This is around 5 day(s)* or 1.41% of the year.

100 | 0 hours
This monitor was operational for 100% of the year.
Leaving 0 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 #T/38/21621/O
Secondary Permit #T/38/21621/O

2022
Trib Of River Derwent | 26 Spills |
83.5 hours | 0.95

The declared body of water receiving this discharge is the "Trib Of River Derwent"
This station discharged sewage 26 time(s) during 2022.
The station discharged for a total of 83.5 hour(s).
This is around 3 day(s)* or 0.95% of the year.

99.1 | 78.8 hours
This monitor was operational for 99.1% of the year.
Leaving 78.8 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
OperatorSevern Trent Water
Primary Permit #T/38/21621/O
Secondary Permit #T/38/21621/O

2021
Trib Of River Derwent | 26 Spills |
62.8 hours | 0.71

The declared body of water receiving this discharge is the "Trib Of River Derwent"
This station discharged sewage 26 time(s) during 2021.
The station discharged for a total of 62.8 hour(s).
This is around 2 day(s)* or 0.71% of the year.

99.4 | 52.5 hours
This monitor was operational for 99.4% of the year.
Leaving 52.5 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 #T/38/21621/O
Secondary Permit #T/38/21621/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
Nearby Flood Warnings
None
Nearby Alert Areas
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Station Data Information
Station overseen (meaning either provided, or regulated) by: The Environment Agency
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