Roath Brook at Heathwood Road CSO, Heathwood Junction
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
Roath Brook | 119 Spills | 110 hours | 0.41
The declared body of water receiving this discharge is the "Roath Brook" This station has discharged sewage 119 time(s). The station has discharged for a total of 110 hour(s). This is 0.41% of the time which we have data for. In total: 4 day(s)* of elapsed time.
95.3 | 1226.4 hours This monitor has been operational for 95.3% of its total time we have data for. There are 1226.4 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Heathwood Road CSO, Heathwood Junction" is 2023, discharging sewage for 45.2 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
Roath Brook | 46 Spills | 45.2 hours | 0.51 The declared body of water receiving this discharge is the "Roath Brook" This station discharged sewage 46 time(s) during 2023. The station discharged for a total of 45.2 hour(s). This is around 1 day(s)* or 0.51% of the year.
99.5 | 37.6 hours This monitor was operational for 99.5% of the year. Leaving 37.6 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 #
AN0086001
Secondary Permit #
AN0086001
2022
Roath Brook | 29 Spills | 19.5 hours | 0.22 The declared body of water receiving this discharge is the "Roath Brook" This station discharged sewage 29 time(s) during 2022. The station discharged for a total of 19.5 hour(s). This is around 0 day(s)* or 0.22% 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 #
AN0086001
Secondary Permit #
AN0086001
2021
Unnamed Trib - Source To Conf Rhymney R | 44 Spills | 45.2 hours | 0.51 The declared body of water receiving this discharge is the "Unnamed Trib - Source To Conf Rhymney R" This station discharged sewage 44 time(s) during 2021. The station discharged for a total of 45.2 hour(s). This is around 1 day(s)* or 0.51% of the year.
88 | 1045 hours This monitor was operational for 88% of the year. Leaving 1045 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 2021: Communications Issue, Resolved In August 2021.
*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 #
AN0086001
Secondary Permit #
AN0086001
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Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
River Rhymney at Industrial area near Rumney Bridge
Tidal Rhymney at Industrial area near Rumney Bridge, including Roath
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