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Kennet at Marlborough 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
Kennet | 214 Spills |
2791 hours | 10.62


The declared body of water receiving this discharge is the "Kennet"
This station has discharged sewage 214 time(s).
The station has discharged for a total of 2791 hour(s).
This is 10.62% of the time which we have data for.
In total: 116 day(s)* of elapsed time.

92.6 | 1927.1 hours
This monitor has been operational for 92.6% of its total time we have data for.
There are 1927.19 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Marlborough WWTW" is 2023, discharging sewage for 2383.2 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
Kennet | 172 Spills |
2383.2 hours | 27.2

The declared body of water receiving this discharge is the "Kennet"
This station discharged sewage 172 time(s) during 2023.
The station discharged for a total of 2383.2 hour(s).
This is around 99 day(s)* or 27.2% of the year.

The following reasons have been given for the high spill frequency in 2023:
Performance - Infiltration

The following comments have been given on the station operators intended actions:
Scheduled

90 | 872.4 hours
This monitor was operational for 90% of the year.
Leaving 872.4 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
OperatorThames Water
Primary Permit #TEMP.2763
Secondary Permit #TEMP.2763

2022
Kennet | 0 Spills |
0 hours | 0

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

The following reasons have been given for the high spill frequency in 2022:
Performance - Gw Inundation

The following comments have been given on the station operators intended actions:
Scheduled

95.7 | 375.8 hours
This monitor was operational for 95.7% of the year.
Leaving 375.8 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
OperatorThames Water
Primary Permit #TEMP.2763
Secondary Permit #TEMP.2763

2021
Kennet | 42 Spills |
407.7 hours | 4.65

The declared body of water receiving this discharge is the "Kennet"
This station discharged sewage 42 time(s) during 2021.
The station discharged for a total of 407.7 hour(s).
This is around 16 day(s)* or 4.65% of the year.

The following reasons have been given for the high spill frequency in 2021:
Performance - Infiltration

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

93.6 | 553.6 hours
This monitor was operational for 93.6% of the year.
Leaving 553.6 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
OperatorThames Water
Primary Permit #TEMP.2763
Secondary Permit #TEMP.2763


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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 Kennet from Mildenhall to just above Hungerford


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