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.
Sewage Reports that include this Station
Operational Summary - 2021-2023
Ddu (Llanfairfechan) | 153 Spills | 390 hours | 1.48
The declared body of water receiving this discharge is the "Ddu (Llanfairfechan)" This station has discharged sewage 153 time(s). The station has discharged for a total of 390 hour(s). This is 1.48% of the time which we have data for. In total: 16 day(s)* of elapsed time.
35 | 17082 hours This monitor has been operational for 35% of its total time we have data for. There are 17082 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Llanfairfechan - Sso" is 2022, discharging sewage for 163.5 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
Note: Data is potentially unreliable in 2023 Due to high unavailability of the monitor
Ddu (Llanfairfechan) | 62 Spills | 161.5 hours | 1.84 The declared body of water receiving this discharge is the "Ddu (Llanfairfechan)" This station discharged sewage 62 time(s) during 2023. The station discharged for a total of 161.5 hour(s). This is around 6 day(s)* or 1.84% of the year.
40.9 | 5171.9 hours This monitor was operational for 40.9% of the year. Leaving 5171.9 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 2023: Comms 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 #
CG0162201
Secondary Permit #
CG0162201
2022
Note: Data is potentially unreliable in 2022 Due to high unavailability of the monitor
Ddu (Llanfairfechan) | 67 Spills | 163.5 hours | 1.86 The declared body of water receiving this discharge is the "Ddu (Llanfairfechan)" This station discharged sewage 67 time(s) during 2022. The station discharged for a total of 163.5 hour(s). This is around 6 day(s)* or 1.86% of the year.
49.4 | 4432.5 hours This monitor was operational for 49.4% of the year. Leaving 4432.5 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: Comms 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 #
CG0162201
Secondary Permit #
CG0162201
2021
Note: Data is potentially unreliable in 2021 Due to high unavailability of the monitor
Afon Llanfairfechan | 24 Spills | 65 hours | 0.74 The declared body of water receiving this discharge is the "Afon Llanfairfechan" This station discharged sewage 24 time(s) during 2021. The station discharged for a total of 65 hour(s). This is around 2 day(s)* or 0.74% of the year.
16.6 | 7300.5 hours This monitor was operational for 16.6% of the year. Leaving 7300.5 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: Communications Issue - Access 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 #
CG0162201
Secondary Permit #
CG0162201
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