Milford Haven Inner at Llangwm WWTW Llangwm Pembrokeshire
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.
The declared body of water receiving this discharge is the "Milford Haven Inner" This station has discharged sewage 78 time(s). The station has discharged for a total of 1275.7 hour(s). This is 4.85% of the time which we have data for. In total: 53 day(s)* of elapsed time.
99.3 | 175.2 hours This monitor has been operational for 99.3% of its total time we have data for. There are 175.2 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Llangwm WWTW Llangwm Pembrokeshire" is 2021, discharging sewage for 900 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
Milford Haven Inner | 26 Spills | 257.5 hours | 2.93 The declared body of water receiving this discharge is the "Milford Haven Inner" This station discharged sewage 26 time(s) during 2023. The station discharged for a total of 257.5 hour(s). This is around 10 day(s)* or 2.93% of the year.
99.9 | 5.2 hours This monitor was operational for 99.9% of the year. Leaving 5.2 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 #
BP0324601
Secondary Permit #
BP0324601
2022
Milford Haven Inner | 9 Spills | 118.2 hours | 1.34 The declared body of water receiving this discharge is the "Milford Haven Inner" This station discharged sewage 9 time(s) during 2022. The station discharged for a total of 118.2 hour(s). This is around 4 day(s)* or 1.34% of the year.
99.9 | 4.3 hours This monitor was operational for 99.9% of the year. Leaving 4.3 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 #
BP0324601
Secondary Permit #
BP0324601
2021
Milford Haven Inner | 43 Spills | 900 hours | 10.27 The declared body of water receiving this discharge is the "Milford Haven Inner" This station discharged sewage 43 time(s) during 2021. The station discharged for a total of 900 hour(s). This is around 37 day(s)* or 10.27% 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 #
BP0324601
Secondary Permit #
BP0324601
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