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
Usk | 389 Spills | 3047.2 hours | 11.59
The declared body of water receiving this discharge is the "Usk" This station has discharged sewage 389 time(s). The station has discharged for a total of 3047.2 hour(s). This is 11.59% of the time which we have data for. In total: 126 day(s)* of elapsed time.
78.3 | 5694 hours This monitor has been operational for 78.3% of its total time we have data for. There are 5694 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Maesglas SPS" is 2021, discharging sewage for 1289.2 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
Usk | 146 Spills | 1212 hours | 13.83 The declared body of water receiving this discharge is the "Usk" This station discharged sewage 146 time(s) during 2023. The station discharged for a total of 1212 hour(s). This is around 50 day(s)* or 13.83% of the year.
95.6 | 381 hours This monitor was operational for 95.6% of the year. Leaving 381 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 #
AN0300301
Secondary Permit #
AN0300301
2022
Note: Data is potentially unreliable in 2022 Due to high unavailability of the monitor
Usk | 62 Spills | 546 hours | 6.23 The declared body of water receiving this discharge is the "Usk" This station discharged sewage 62 time(s) during 2022. The station discharged for a total of 546 hour(s). This is around 22 day(s)* or 6.23% of the year.
41.5 | 5118.4 hours This monitor was operational for 41.5% of the year. Leaving 5118.4 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: Sensor 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 #
AN0300301
Secondary Permit #
AN0300301
2021
Usk | 181 Spills | 1289.2 hours | 14.71 The declared body of water receiving this discharge is the "Usk" This station discharged sewage 181 time(s) during 2021. The station discharged for a total of 1289.2 hour(s). This is around 53 day(s)* or 14.71% 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 #
AN0300301
Secondary Permit #
AN0300301
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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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