Teifi - Afon Clettwr To Afon Ceri at Storm Overflow At Henllan Wastewater Treatment Works
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
Teifi - Afon Clettwr To Afon Ceri | 153 Spills | 728.2 hours | 2.77
The declared body of water receiving this discharge is the "Teifi - Afon Clettwr To Afon Ceri" This station has discharged sewage 153 time(s). The station has discharged for a total of 728.2 hour(s). This is 2.77% of the time which we have data for. In total: 30 day(s)* of elapsed time.
99.6 | 87.5 hours This monitor has been operational for 99.6% of its total time we have data for. There are 87.59 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Storm Overflow At Henllan Wastewater Treatment Works" is 2023, discharging sewage for 325 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
Teifi - Afon Clettwr To Afon Ceri | 64 Spills | 325 hours | 3.71 The declared body of water receiving this discharge is the "Teifi - Afon Clettwr To Afon Ceri" This station discharged sewage 64 time(s) during 2023. The station discharged for a total of 325 hour(s). This is around 13 day(s)* or 3.71% of the year.
99.9 | 1.7 hours This monitor was operational for 99.9% of the year. Leaving 1.7 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 #
DB3297TS
Secondary Permit #
DB3297TS
2022
Teifi - Afon Clettwr To Afon Ceri | 42 Spills | 189 hours | 2.15 The declared body of water receiving this discharge is the "Teifi - Afon Clettwr To Afon Ceri" This station discharged sewage 42 time(s) during 2022. The station discharged for a total of 189 hour(s). This is around 7 day(s)* or 2.15% 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 #
DB3297TS
Secondary Permit #
DB3297TS
2021
Teifi - Conf With Nant Wern-Macwydd To Tidal Limit | 47 Spills | 214.2 hours | 2.44 The declared body of water receiving this discharge is the " Teifi - Conf With Nant Wern-Macwydd To Tidal Limit" This station discharged sewage 47 time(s) during 2021. The station discharged for a total of 214.2 hour(s). This is around 8 day(s)* or 2.44% 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 #
DB3297TS
Secondary Permit #
DB3297TS
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