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Hillfarrance Brook at Milverton WWTW

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
Hillfarrance Brook | 239 Spills |
2387.3 hours | 9.08


The declared body of water receiving this discharge is the "Hillfarrance Brook"
This station has discharged sewage 239 time(s).
The station has discharged for a total of 2387.3 hour(s).
This is 9.08% of the time which we have data for.
In total: 99 day(s)* of elapsed time.

99.6 | 87.5 hours
This monitor has been operational for 99.6% of its total time we have data for.
There are 87.59 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Milverton WWTW" is 2023, discharging sewage for 1351 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
Hillfarrance Brook | 109 Spills |
1351 hours | 15.42

The declared body of water receiving this discharge is the "Hillfarrance Brook"
This station discharged sewage 109 time(s) during 2023.
The station discharged for a total of 1351 hour(s).
This is around 56 day(s)* or 15.42% 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 #070076
Secondary Permit #13214S

2022
Hillfarrance Brook | 58 Spills |
475 hours | 5.42

The declared body of water receiving this discharge is the "Hillfarrance Brook"
This station discharged sewage 58 time(s) during 2022.
The station discharged for a total of 475 hour(s).
This is around 19 day(s)* or 5.42% 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 #070076
Secondary Permit #13214S

2021
Hillfarrance Brook | 72 Spills |
561.3 hours | 6.4

The declared body of water receiving this discharge is the "Hillfarrance Brook"
This station discharged sewage 72 time(s) during 2021.
The station discharged for a total of 561.3 hour(s).
This is around 23 day(s)* or 6.4% of the year.

99.2 | 70 hours
This monitor was operational for 99.2% of the year.
Leaving 70 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 #70076
Secondary Permit #13214S


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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
No flood warning icon

River Tone catchment


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