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Bristol Avon(S) at Sutton Benger 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
Bristol Avon(S) | 138 Spills |
2568.8 hours | 9.77


The declared body of water receiving this discharge is the "Bristol Avon(S)"
This station has discharged sewage 138 time(s).
The station has discharged for a total of 2568.8 hour(s).
This is 9.77% of the time which we have data for.
In total: 107 day(s)* of elapsed time.

66.6 | 8759.9 hours
This monitor has been operational for 66.6% of its total time we have data for.
There are 8759.99 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Sutton Benger WWTW" is 2023, discharging sewage for 1683.3 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
Bristol Avon(S) | 92 Spills |
1683.3 hours | 19.21

The declared body of water receiving this discharge is the "Bristol Avon(S)"
This station discharged sewage 92 time(s) during 2023.
The station discharged for a total of 1683.3 hour(s).
This is around 70 day(s)* or 19.21% of the year.

The following reasons have been given for the high spill frequency in 2023:
Data Collection - Confirmed Exceptional Weather – Remaining Spills Not Above Soaf Threshold

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 #010083
Secondary Permit #13298C

2022
Bristol Avon(S) | 46 Spills |
885.5 hours | 10.1

The declared body of water receiving this discharge is the "Bristol Avon(S)"
This station discharged sewage 46 time(s) during 2022.
The station discharged for a total of 885.5 hour(s).
This is around 36 day(s)* or 10.1% of the year.

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 #010083
Secondary Permit #13298C

2021
Bristol Avon(S) | 0 Spills |
0 hours | 0

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

0 | 8760 hours
This monitor was operational for 0% of the year.
Leaving 8760 hours unaccounted for in the data.
This falls below the 90% threshold where a reason should be given


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

Permit & Governance

AttributeValue
Governing BodyThe Environment Agency
OperatorWessex Water
Primary Permit #10083
Secondary Permit #13298C


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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

Upper Bristol Avon area


No flood warning icon

Bristol Avon (upper) from Malmesbury to Chippenham


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