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Tawe - Conf With Nant Llech To Conf With Giedd at Swn Yr Afon CSO, Ystradgynlais

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
Tawe - Conf With Nant Llech To Conf With Giedd | 194 Spills |
624 hours | 2.37


The declared body of water receiving this discharge is the "Tawe - Conf With Nant Llech To Conf With Giedd"
This station has discharged sewage 194 time(s).
The station has discharged for a total of 624 hour(s).
This is 2.37% of the time which we have data for.
In total: 26 day(s)* of elapsed time.

98 | 525.6 hours
This monitor has been operational for 98% of its total time we have data for.
There are 525.6 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Swn Yr Afon CSO, Ystradgynlais" is 2021, discharging sewage for 250 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
Tawe - Conf With Nant Llech To Conf With Giedd | 74 Spills |
200 hours | 2.28

The declared body of water receiving this discharge is the "Tawe - Conf With Nant Llech To Conf With Giedd"
This station discharged sewage 74 time(s) during 2023.
The station discharged for a total of 200 hour(s).
This is around 8 day(s)* or 2.28% of the year.

98.4 | 132.2 hours
This monitor was operational for 98.4% of the year.
Leaving 132.2 hours unaccounted for in the data.


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

Permit & Governance

AttributeValue
Governing BodyNatural Resources Wales
OperatorDwr Cymru Welsh Water
Primary Permit #CB3194CP
Secondary Permit #CB3194CP

2022
Tawe - Conf With Nant Llech To Conf With Giedd | 60 Spills |
174 hours | 1.98

The declared body of water receiving this discharge is the "Tawe - Conf With Nant Llech To Conf With Giedd"
This station discharged sewage 60 time(s) during 2022.
The station discharged for a total of 174 hour(s).
This is around 7 day(s)* or 1.98% of the year.

98.9 | 96.3 hours
This monitor was operational for 98.9% of the year.
Leaving 96.3 hours unaccounted for in the data.


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

Permit & Governance

AttributeValue
Governing BodyNatural Resources Wales
OperatorDwr Cymru Welsh Water
Primary Permit #CB3194CP
Secondary Permit #CB3194CP

2021
Tawe - Conf With Nant Llech To Conf With Giedd | 60 Spills |
250 hours | 2.85

The declared body of water receiving this discharge is the " Tawe - Conf With Nant Llech To Conf With Giedd"
This station discharged sewage 60 time(s) during 2021.
The station discharged for a total of 250 hour(s).
This is around 10 day(s)* or 2.85% of the year.

98.9 | 91.1 hours
This monitor was operational for 98.9% of the year.
Leaving 91.1 hours unaccounted for in the data.


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

Permit & Governance

AttributeValue
Governing BodyNatural Resources Wales
OperatorDwr Cymru Welsh Water
Primary Permit #CB3194CP
Secondary Permit #CB3194CP


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Local Information
Station Data Information
Station overseen (meaning either provided, or regulated) by: Natural Resources Wales
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