Machno at Llan Penmachno STW Screened 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.
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
2795.7 hours | 10.63
The declared body of water receiving this discharge is the "Machno"
This station has discharged sewage 238 time(s).
The station has discharged for a total of 2795.7 hour(s).
This is 10.63% of the time which we have data for.
In total: 116 day(s)* of elapsed time.
99 | 262.8 hours
This monitor has been operational for 99% of its total time we have data for.
There are 262.8 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Llan Penmachno STW Screened CSO" is 2021, discharging sewage for 1074 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
870.2 hours | 9.93
The declared body of water receiving this discharge is the "Machno"
This station discharged sewage 85 time(s) during 2023.
The station discharged for a total of 870.2 hour(s).
This is around 36 day(s)* or 9.93% of the year.
99.7 | 25.4 hours
This monitor was operational for 99.7% of the year.
Leaving 25.4 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 # | CG0114602 |
| Secondary Permit # | CG0114602 |
2022
851.5 hours | 9.72
The declared body of water receiving this discharge is the "Machno"
This station discharged sewage 71 time(s) during 2022.
The station discharged for a total of 851.5 hour(s).
This is around 35 day(s)* or 9.72% 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
| Attribute | Value |
|---|---|
| Governing Body | Natural Resources Wales |
| Operator | Dwr Cymru Welsh Water |
| Primary Permit # | CG0114602 |
| Secondary Permit # | CG0114602 |
2021
1074 hours | 12.26
The declared body of water receiving this discharge is the " Machno"
This station discharged sewage 82 time(s) during 2021.
The station discharged for a total of 1074 hour(s).
This is around 44 day(s)* or 12.26% of the year.
99.9 | 0.8 hours
This monitor was operational for 99.9% of the year.
Leaving 0.8 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 # | CG0114602 |
| Secondary Permit # | CG0114602 |
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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
Nearby Flood Warnings
None
Nearby Alert Areas
None
Nearby Stations
Afon Lledr River Station
Nearby Sewage Discharge Stations
Cwm Penmachno - CSO
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