Ffraw at Hermon Malltraeth Ps
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
3674.7 hours | 13.98
The declared body of water receiving this discharge is the "Ffraw"
This station has discharged sewage 255 time(s).
The station has discharged for a total of 3674.7 hour(s).
This is 13.98% of the time which we have data for.
In total: 153 day(s)* of elapsed time.
91 | 2365.2 hours
This monitor has been operational for 91% of its total time we have data for.
There are 2365.2 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Hermon Malltraeth Ps" is 2023, discharging sewage for 2016.5 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
2016.5 hours | 23.01
The declared body of water receiving this discharge is the "Ffraw"
This station discharged sewage 131 time(s) during 2023.
The station discharged for a total of 2016.5 hour(s).
This is around 84 day(s)* or 23.01% of the year.
94.4 | 487 hours
This monitor was operational for 94.4% of the year.
Leaving 487 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 # | CG0168201 |
| Secondary Permit # | CG0168201 |
2022
1067.5 hours | 12.18
The declared body of water receiving this discharge is the "Ffraw"
This station discharged sewage 72 time(s) during 2022.
The station discharged for a total of 1067.5 hour(s).
This is around 44 day(s)* or 12.18% of the year.
95.3 | 409 hours
This monitor was operational for 95.3% of the year.
Leaving 409 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 # | CG0168201 |
| Secondary Permit # | CG0168201 |
2021
590.7 hours | 6.74
The declared body of water receiving this discharge is the "Rhyd-Hir"
This station discharged sewage 52 time(s) during 2021.
The station discharged for a total of 590.7 hour(s).
This is around 24 day(s)* or 6.74% of the year.
84.1 | 1389.3 hours
This monitor was operational for 84.1% of the year.
Leaving 1389.3 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 2021:
Data Unreliable From 01/01 To 19/02/2021. Due To Calibration Issue, Resolved.
*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 # | CG0168201 |
| Secondary Permit # | CG0168201 |
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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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