Pembrokeshire South at St David's WWTW St David's Pembs
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
Pembrokeshire South | 258 Spills | 4370 hours | 16.62
The declared body of water receiving this discharge is the "Pembrokeshire South" This station has discharged sewage 258 time(s). The station has discharged for a total of 4370 hour(s). This is 16.62% of the time which we have data for. In total: 182 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 "St David's WWTW St David's Pembs" is 2023, discharging sewage for 2631.2 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
Pembrokeshire South | 135 Spills | 2631.2 hours | 30.03 The declared body of water receiving this discharge is the "Pembrokeshire South" This station discharged sewage 135 time(s) during 2023. The station discharged for a total of 2631.2 hour(s). This is around 109 day(s)* or 30.03% 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 #
BP0062702
Secondary Permit #
BP0062702
2022
Pembrokeshire South | 26 Spills | 165 hours | 1.88 The declared body of water receiving this discharge is the "Pembrokeshire South" This station discharged sewage 26 time(s) during 2022. The station discharged for a total of 165 hour(s). This is around 6 day(s)* or 1.88% 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 #
BP0062702
Secondary Permit #
BP0062702
2021
Coastal Waters At Porth Clais | 97 Spills | 1573.7 hours | 17.96 The declared body of water receiving this discharge is the "Coastal Waters At Porth Clais" This station discharged sewage 97 time(s) during 2021. The station discharged for a total of 1573.7 hour(s). This is around 65 day(s)* or 17.96% 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 #
BP0062702
Secondary Permit #
BP0062702
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Station overseen (meaning either provided, or regulated) by: Natural Resources Wales 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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