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Llynfi - Lletty Brongu STW To Conf With Ogmore at Lletty Brongu WWTW Llangynwyd Maes

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
Llynfi - Lletty Brongu STW To Conf With Ogmore | 342 Spills |
4367 hours | 16.61


The declared body of water receiving this discharge is the "Llynfi - Lletty Brongu STW To Conf With Ogmore"
This station has discharged sewage 342 time(s).
The station has discharged for a total of 4367 hour(s).
This is 16.61% of the time which we have data for.
In total: 181 day(s)* of elapsed time.

95 | 1314 hours
This monitor has been operational for 95% of its total time we have data for.
There are 1314 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Lletty Brongu WWTW Llangynwyd Maes" is 2021, discharging sewage for 1741.2 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
Llynfi - Lletty Brongu STW To Conf With Ogmore | 57 Spills |
918 hours | 10.47

The declared body of water receiving this discharge is the "Llynfi - Lletty Brongu STW To Conf With Ogmore"
This station discharged sewage 57 time(s) during 2023.
The station discharged for a total of 918 hour(s).
This is around 38 day(s)* or 10.47% of the year.

99.9 | 2.6 hours
This monitor was operational for 99.9% of the year.
Leaving 2.6 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 #BP0271001
Secondary Permit #BP0271001

2022
Llynfi - Lletty Brongu STW To Conf With Ogmore | 135 Spills |
1707.7 hours | 19.49

The declared body of water receiving this discharge is the "Llynfi - Lletty Brongu STW To Conf With Ogmore"
This station discharged sewage 135 time(s) during 2022.
The station discharged for a total of 1707.7 hour(s).
This is around 71 day(s)* or 19.49% of the year.

87.3 | 1107.2 hours
This monitor was operational for 87.3% of the year.
Leaving 1107.2 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 2022:
Sensor Failure / Issue


*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 #BP0271001
Secondary Permit #BP0271001

2021
Llynfi - Headwaters To Lletty Brongu S | 150 Spills |
1741.2 hours | 19.87

The declared body of water receiving this discharge is the "Llynfi - Headwaters To Lletty Brongu S"
This station discharged sewage 150 time(s) during 2021.
The station discharged for a total of 1741.2 hour(s).
This is around 72 day(s)* or 19.87% of the year.

99.6 | 31.5 hours
This monitor was operational for 99.6% of the year.
Leaving 31.5 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 #BP0271001
Secondary Permit #BP0271001


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