Gwenlais - Headwaters To Confluence With Tywi at Storm Overflow At Cilycwm 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
Gwenlais - Headwaters To Confluence With Tywi | 820 Spills | 5588.5 hours | 21.26
The declared body of water receiving this discharge is the "Gwenlais - Headwaters To Confluence With Tywi" This station has discharged sewage 820 time(s). The station has discharged for a total of 5588.5 hour(s). This is 21.26% of the time which we have data for. In total: 232 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 "Storm Overflow At Cilycwm Wastewater Treatment Works" is 2023, discharging sewage for 2134.5 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
Gwenlais - Headwaters To Confluence With Tywi | 312 Spills | 2134.5 hours | 24.36 The declared body of water receiving this discharge is the "Gwenlais - Headwaters To Confluence With Tywi" This station discharged sewage 312 time(s) during 2023. The station discharged for a total of 2134.5 hour(s). This is around 88 day(s)* or 24.36% 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 #
BP0349901
Secondary Permit #
BP0349901
2022
Gwenlais - Headwaters To Confluence With Tywi | 270 Spills | 1776.7 hours | 20.28 The declared body of water receiving this discharge is the "Gwenlais - Headwaters To Confluence With Tywi" This station discharged sewage 270 time(s) during 2022. The station discharged for a total of 1776.7 hour(s). This is around 74 day(s)* or 20.28% 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 #
BP0349901
Secondary Permit #
BP0349901
2021
Gwenlais - Headwaters To Confluence With Tywi | 238 Spills | 1677.2 hours | 19.14 The declared body of water receiving this discharge is the " Gwenlais - Headwaters To Confluence With Tywi" This station discharged sewage 238 time(s) during 2021. The station discharged for a total of 1677.2 hour(s). This is around 69 day(s)* or 19.14% of the year.
99.7 | 26.2 hours This monitor was operational for 99.7% of the year. Leaving 26.2 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 #
BP0349901
Secondary Permit #
BP0349901
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