Afon Chwefru - Source To Conf R Irfon at CSO At Cilmery STW
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
Afon Chwefru - Source To Conf R Irfon | 396 Spills | 3554.2 hours | 13.52
The declared body of water receiving this discharge is the "Afon Chwefru - Source To Conf R Irfon" This station has discharged sewage 396 time(s). The station has discharged for a total of 3554.2 hour(s). This is 13.52% of the time which we have data for. In total: 148 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 "CSO At Cilmery STW" is 2023, discharging sewage for 1418.7 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
Afon Chwefru - Source To Conf R Irfon | 134 Spills | 1418.7 hours | 16.19 The declared body of water receiving this discharge is the "Afon Chwefru - Source To Conf R Irfon" This station discharged sewage 134 time(s) during 2023. The station discharged for a total of 1418.7 hour(s). This is around 59 day(s)* or 16.19% of the year.
99.9 | 6.1 hours This monitor was operational for 99.9% of the year. Leaving 6.1 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 #
AN0232101
Secondary Permit #
AN0232101
2022
Afon Chwefru - Source To Conf R Irfon | 109 Spills | 820.7 hours | 9.36 The declared body of water receiving this discharge is the "Afon Chwefru - Source To Conf R Irfon" This station discharged sewage 109 time(s) during 2022. The station discharged for a total of 820.7 hour(s). This is around 34 day(s)* or 9.36% of the year.
99.8 | 12.2 hours This monitor was operational for 99.8% of the year. Leaving 12.2 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 #
AN0232101
Secondary Permit #
AN0232101
2021
Afon Chwefru - Source To Conf R Irfon | 153 Spills | 1314.7 hours | 15 The declared body of water receiving this discharge is the " Afon Chwefru - Source To Conf R Irfon" This station discharged sewage 153 time(s) during 2021. The station discharged for a total of 1314.7 hour(s). This is around 54 day(s)* or 15% 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 #
AN0232101
Secondary Permit #
AN0232101
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