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Ock Brook at South Of Borrowash Bypass 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
Ock Brook | 34 Spills |
31.4 hours | 0.11


The declared body of water receiving this discharge is the "Ock Brook"
This station has discharged sewage 34 time(s).
The station has discharged for a total of 31.4 hour(s).
This is 0.11% of the time which we have data for.
In total: 1 day(s)* of elapsed time.

91.3 | 2277.6 hours
This monitor has been operational for 91.3% of its total time we have data for.
There are 2277.6 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "South Of Borrowash Bypass CSO" is 2021, discharging sewage for 13.3 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
Ock Brook | 4 Spills |
11.7 hours | 0.13

The declared body of water receiving this discharge is the "Ock Brook"
This station discharged sewage 4 time(s) during 2023.
The station discharged for a total of 11.7 hour(s).
This is around 0 day(s)* or 0.13% of the year.

97.9 | 183.9 hours
This monitor was operational for 97.9% of the year.
Leaving 183.9 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
OperatorSevern Trent Water
Primary Permit #T/48/02741/O
Secondary Permit #T/48/02741/O

2022
Ock Brook | 15 Spills |
6.4 hours | 0.07

The declared body of water receiving this discharge is the "Ock Brook"
This station discharged sewage 15 time(s) during 2022.
The station discharged for a total of 6.4 hour(s).
This is around 0 day(s)* or 0.07% of the year.

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 #T/48/02741/O
Secondary Permit #T/48/02741/O

2021
Ock Brook | 15 Spills |
13.3 hours | 0.15

The declared body of water receiving this discharge is the "Ock Brook"
This station discharged sewage 15 time(s) during 2021.
The station discharged for a total of 13.3 hour(s).
This is around 0 day(s)* or 0.15% of the year.

82.2 | 1553.1 hours
This monitor was operational for 82.2% of the year.
Leaving 1553.1 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:
Installation Set-Up/Design Issue

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


*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/48/02741/O
Secondary Permit #T/48/02741/O


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

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