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
Tremadog Bay | 271 Spills | 1145 hours | 4.35
The declared body of water receiving this discharge is the "Tremadog Bay" This station has discharged sewage 271 time(s). The station has discharged for a total of 1145 hour(s). This is 4.35% of the time which we have data for. In total: 47 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 "Morfa Bychan WWTW" is 2023, discharging sewage for 591.7 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
Tremadog Bay | 136 Spills | 591.7 hours | 6.75 The declared body of water receiving this discharge is the "Tremadog Bay" This station discharged sewage 136 time(s) during 2023. The station discharged for a total of 591.7 hour(s). This is around 24 day(s)* or 6.75% of the year.
99.7 | 21 hours This monitor was operational for 99.7% of the year. Leaving 21 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 #
CG0448201
Secondary Permit #
CG0448201
2022
Tremadog Bay | 71 Spills | 321.7 hours | 3.67 The declared body of water receiving this discharge is the "Tremadog Bay" This station discharged sewage 71 time(s) during 2022. The station discharged for a total of 321.7 hour(s). This is around 13 day(s)* or 3.67% of the year.
98.7 | 110.3 hours This monitor was operational for 98.7% of the year. Leaving 110.3 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 #
CG0448201
Secondary Permit #
CG0448201
2021
Coastal Waters | 64 Spills | 231.5 hours | 2.64 The declared body of water receiving this discharge is the "Coastal Waters" This station discharged sewage 64 time(s) during 2021. The station discharged for a total of 231.5 hour(s). This is around 9 day(s)* or 2.64% of the year.
100 | 0 hours This monitor was operational for 100% of the year. Leaving 0 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 #
CG0448201
Secondary Permit #
CG0448201
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