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River Tavy at West Bridge 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
River Tavy | 209 Spills |
564.3 hours | 2.14


The declared body of water receiving this discharge is the "River Tavy"
This station has discharged sewage 209 time(s).
The station has discharged for a total of 564.3 hour(s).
This is 2.14% of the time which we have data for.
In total: 23 day(s)* of elapsed time.

88.3 | 3066 hours
This monitor has been operational for 88.3% of its total time we have data for.
There are 3066 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "West Bridge CSO" is 2023, discharging sewage for 326.8 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
River Tavy | 102 Spills |
326.8 hours | 3.73

The declared body of water receiving this discharge is the "River Tavy"
This station discharged sewage 102 time(s) during 2023.
The station discharged for a total of 326.8 hour(s).
This is around 13 day(s)* or 3.73% 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
OperatorSouth West Water
Primary Permit #300078/CS/01
Secondary Permit #300078

2022
River Tavy | 65 Spills |
135.7 hours | 1.54

The declared body of water receiving this discharge is the "River Tavy"
This station discharged sewage 65 time(s) during 2022.
The station discharged for a total of 135.7 hour(s).
This is around 5 day(s)* or 1.54% of the year.

The following reasons have been given for the high spill frequency in 2022:
Not Asset Maintenance - Hydraulic Capacity

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

92 | 700.8 hours
This monitor was operational for 92% of the year.
Leaving 700.8 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
OperatorSouth West Water
Primary Permit #300078/CS/01
Secondary Permit #300078

2021
River Tavy | 42 Spills |
101.7 hours | 1.16

The declared body of water receiving this discharge is the "River Tavy"
This station discharged sewage 42 time(s) during 2021.
The station discharged for a total of 101.7 hour(s).
This is around 4 day(s)* or 1.16% of the year.

The following reasons have been given for the high spill frequency in 2021:
Not Asset Maintenance - Hydraulic Capacity

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

73 | 2365.2 hours
This monitor was operational for 73% of the year.
Leaving 2365.2 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:
Comms Failure / Issue

The following description has been given for downtime related actions intended, or taken, by the operator in 2021:
N/A - Ongoing Investigation


*This is total time in days, not individual days of the year.

Permit & Governance

AttributeValue
Governing BodyThe Environment Agency
OperatorSouth West Water
Primary Permit #300078/CS/01
Secondary Permit #300078


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