River Basins . . . Chinnock BK Hardington Mandeville Wrc
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Chinnock Brook at Hardington Mandeville Wrc

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
Chinnock Brook | 170 Spills |
2503 hours | 9.52


The declared body of water receiving this discharge is the "Chinnock Brook"
This station has discharged sewage 170 time(s).
The station has discharged for a total of 2503 hour(s).
This is 9.52% of the time which we have data for.
In total: 104 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 "Hardington Mandeville Wrc" is 2023, discharging sewage for 1225.5 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
Chinnock Brook | 78 Spills |
1225.5 hours | 13.98

The declared body of water receiving this discharge is the "Chinnock Brook"
This station discharged sewage 78 time(s) during 2023.
The station discharged for a total of 1225.5 hour(s).
This is around 51 day(s)* or 13.98% 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

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
OperatorWessex Water
Primary Permit #070154
Secondary Permit #13142B

2022
Chinnock Brook | 45 Spills |
596.7 hours | 6.81

The declared body of water receiving this discharge is the "Chinnock Brook"
This station discharged sewage 45 time(s) during 2022.
The station discharged for a total of 596.7 hour(s).
This is around 24 day(s)* or 6.81% of the year.

The following reasons have been given for the high spill frequency in 2022:
N/A - Ongoing Investigation

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

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
OperatorWessex Water
Primary Permit #070154
Secondary Permit #13142B

2021
Chinnock Brook | 47 Spills |
680.8 hours | 7.77

The declared body of water receiving this discharge is the "Chinnock Brook"
This station discharged sewage 47 time(s) during 2021.
The station discharged for a total of 680.8 hour(s).
This is around 28 day(s)* or 7.77% of the year.

98.8 | 105.1 hours
This monitor was operational for 98.8% of the year.
Leaving 105.1 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
OperatorWessex Water
Primary Permit #70154
Secondary Permit #13142B


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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
None
Nearby Stations
No nearby stations
Station Data Information
Station overseen (meaning either provided, or regulated) by: The Environment Agency
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