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Brislington Brook at St Annes Terrace 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.
Operational Summary - 2021-2023
Brislington Brook | 71 Spills |
100.5 hours | 0.38


The declared body of water receiving this discharge is the "Brislington Brook"
This station has discharged sewage 71 time(s).
The station has discharged for a total of 100.5 hour(s).
This is 0.38% of the time which we have data for.
In total: 4 day(s)* of elapsed time.

99 | 262.8 hours
This monitor has been operational for 99% of its total time we have data for.
There are 262.8 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "St Annes Terrace CSO" is 2023, discharging sewage for 69.5 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
Brislington Brook | 30 Spills |
69.5 hours | 0.79

The declared body of water receiving this discharge is the "Brislington Brook"
This station discharged sewage 30 time(s) during 2023.
The station discharged for a total of 69.5 hour(s).
This is around 2 day(s)* or 0.79% of the year.

99.5 | 35.9 hours
This monitor was operational for 99.5% of the year.
Leaving 35.9 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 #100584/CS/01
Secondary Permit #16175C

2022
Brislington Brook | 16 Spills |
15.2 hours | 0.17

The declared body of water receiving this discharge is the "Brislington Brook"
This station discharged sewage 16 time(s) during 2022.
The station discharged for a total of 15.2 hour(s).
This is around 0 day(s)* or 0.17% of the year.

99.7 | 21.9 hours
This monitor was operational for 99.7% of the year.
Leaving 21.9 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 #100584/CS/01
Secondary Permit #16175C

2021
Brislington Brook | 25 Spills |
15.8 hours | 0.18

The declared body of water receiving this discharge is the "Brislington Brook"
This station discharged sewage 25 time(s) during 2021.
The station discharged for a total of 15.8 hour(s).
This is around 0 day(s)* or 0.18% 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 #100584/CS/01
Secondary Permit #16175C


FloodMapper is not affiliated with this monitoring stations operator(s) or any other entities that may be mentioned on this page.
All trademarks and registered trademarks are the property of their respective owners.

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

Brislington Brook, low lying properties set back from the river


No flood warning icon

Brislington Brook, other properties set back from the river


No flood warning icon

Lower Bristol Avon area


No flood warning icon

Brislington Brook, riverside properties


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