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River Wye at Belmont Roundabout 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 Wye | 81 Spills |
261 hours | 0.99


The declared body of water receiving this discharge is the "River Wye"
This station has discharged sewage 81 time(s).
The station has discharged for a total of 261 hour(s).
This is 0.99% of the time which we have data for.
In total: 10 day(s)* of elapsed time.

91.6 | 2189.9 hours
This monitor has been operational for 91.6% of its total time we have data for.
There are 2189.99 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Belmont Roundabout CSO" is 2021, discharging sewage for 135.5 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
River Wye | 39 Spills |
119 hours | 1.35

The declared body of water receiving this discharge is the "River Wye"
This station discharged sewage 39 time(s) during 2023.
The station discharged for a total of 119 hour(s).
This is around 4 day(s)* or 1.35% of the year.

80.3 | 1725.7 hours
This monitor was operational for 80.3% of the year.
Leaving 1725.7 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 2023:
Comms Failure / Issue

The following description has been given for downtime related actions intended, or taken, by the operator in 2023:
N/A - Ongoing Investigation


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

Permit & Governance

AttributeValue
Governing BodyThe Environment Agency
OperatorDwr Cymru Welsh Water
Primary Permit #AN0078601
Secondary Permit #AN0078601

2022
River Wye | 7 Spills |
6.5 hours | 0.07

The declared body of water receiving this discharge is the "River Wye"
This station discharged sewage 7 time(s) during 2022.
The station discharged for a total of 6.5 hour(s).
This is around 0 day(s)* or 0.07% of the year.

96.3 | 324.1 hours
This monitor was operational for 96.3% of the year.
Leaving 324.1 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
OperatorDwr Cymru Welsh Water
Primary Permit #AN0078601
Secondary Permit #AN0078601

2021
River Wye | 35 Spills |
135.5 hours | 1.54

The declared body of water receiving this discharge is the "River Wye"
This station discharged sewage 35 time(s) during 2021.
The station discharged for a total of 135.5 hour(s).
This is around 5 day(s)* or 1.54% of the year.

99.3 | 53.4 hours
This monitor was operational for 99.3% of the year.
Leaving 53.4 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
OperatorDwr Cymru Welsh Water
Primary Permit #AN0078601
Secondary Permit #AN0078601


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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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