River Basins Severn Usk Usk Brecon to Abergavenny Nant Menasgin - source to conf R Usk 100 Yards D/S Of Llanfrynach STW
Nant Menasgin - Source To Conf R Usk at 100 Yards D/S Of Llanfrynach STW
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.
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
391.7 hours | 1.49
The declared body of water receiving this discharge is the "Nant Menasgin - Source To Conf R Usk"
This station has discharged sewage 52 time(s).
The station has discharged for a total of 391.7 hour(s).
This is 1.49% of the time which we have data for.
In total: 16 day(s)* of elapsed time.
66 | 8935.2 hours
This monitor has been operational for 66% of its total time we have data for.
There are 8935.2 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "100 Yards D/S Of Llanfrynach STW" is 2021, discharging sewage for 204.7 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
187 hours | 2.13
The declared body of water receiving this discharge is the "Nant Menasgin - Source To Conf R Usk"
This station discharged sewage 27 time(s) during 2023.
The station discharged for a total of 187 hour(s).
This is around 7 day(s)* or 2.13% of the year.
99.8 | 9.6 hours
This monitor was operational for 99.8% of the year.
Leaving 9.6 hours unaccounted for in the data.
*This is total time in days, not individual days of the year.
Permit & Governance
| Attribute | Value |
|---|---|
| Governing Body | Natural Resources Wales |
| Operator | Dwr Cymru Welsh Water |
| Primary Permit # | AN0075201 |
| Secondary Permit # | AN0075201 |
2022
Note: Data is potentially unreliable in 2022
Due to high unavailability of the monitor
Nant Menasgin - Source To Conf R Usk | 0 Spills | Due to high unavailability of the monitor
0 hours | 0
The declared body of water receiving this discharge is the "Nant Menasgin - Source To Conf R Usk"
This station discharged sewage 0 time(s) during 2022.
The station discharged for a total of 0 hour(s).
This is around 0 day(s)* or 0% of the year.
0.2 | 8736.3 hours
This monitor was operational for 0.2% of the year.
Leaving 8736.3 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:
Telemetry Or Data Archiving Failure / Issue
*This is total time in days, not individual days of the year.
Permit & Governance
| Attribute | Value |
|---|---|
| Governing Body | Natural Resources Wales |
| Operator | Dwr Cymru Welsh Water |
| Primary Permit # | AN0075201 |
| Secondary Permit # | AN0075201 |
2021
204.7 hours | 2.33
This station discharged sewage 25 time(s) during 2021.
The station discharged for a total of 204.7 hour(s).
This is around 8 day(s)* or 2.33% of the year.
99.9 | 7.8 hours
This monitor was operational for 99.9% of the year.
Leaving 7.8 hours unaccounted for in the data.
*This is total time in days, not individual days of the year.
Permit & Governance
| Attribute | Value |
|---|---|
| Governing Body | Natural Resources Wales |
| Operator | Dwr Cymru Welsh Water |
| Primary Permit # | AN0075201 |
| Secondary Permit # | AN0075201 |
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Local Information
Station Data Information
Station overseen (meaning either provided, or regulated) by: Natural Resources Wales
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Please note that FloodMapper does not verify or check the accuracy of the data provided by third parties. The data is used as received from the source. Any underlying errors, inconsistencies, or inaccuracies in the original data will be reflected in the information presented on our platform. Users are advised to exercise their own judgment and caution when using the data for decision-making purposes.
Information about our data sources and licenses can be found
The information displayed here is used under license. We are not affiliated with any governing, or other, bodies. Nor do they necessarily endorse us, or us them.
Please note that FloodMapper does not verify or check the accuracy of the data provided by third parties. The data is used as received from the source. Any underlying errors, inconsistencies, or inaccuracies in the original data will be reflected in the information presented on our platform. Users are advised to exercise their own judgment and caution when using the data for decision-making purposes.
Information about our data sources and licenses can be found
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