Taff - Conf Rhondda R To Castle Street at CSO At Treforest Llantwit Rd A
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
Taff - Conf Rhondda R To Castle Street | 11 Spills | 10 hours | 0.03
The declared body of water receiving this discharge is the "Taff - Conf Rhondda R To Castle Street" This station has discharged sewage 11 time(s). The station has discharged for a total of 10 hour(s). This is 0.03% of the time which we have data for. In total: 0 day(s)* of elapsed time.
87.6 | 3241.1 hours This monitor has been operational for 87.6% of its total time we have data for. There are 3241.19 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "CSO At Treforest Llantwit Rd A" is 2023, discharging sewage for 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
Note: Data is potentially unreliable in 2023 Due to high unavailability of the monitor
Taff - Conf Rhondda R To Castle Street | 3 Spills | 7 hours | 0.07 The declared body of water receiving this discharge is the "Taff - Conf Rhondda R To Castle Street" This station discharged sewage 3 time(s) during 2023. The station discharged for a total of 7 hour(s). This is around 0 day(s)* or 0.07% of the year.
64.1 | 3143.9 hours This monitor was operational for 64.1% of the year. Leaving 3143.9 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 2023: Comms 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 #
AN0157401
Secondary Permit #
AN0157401
2022
Taff - Conf Rhondda R To Castle Street | 1 Spills | 0.5 hours | 0 The declared body of water receiving this discharge is the "Taff - Conf Rhondda R To Castle Street" This station discharged sewage 1 time(s) during 2022. The station discharged for a total of 0.5 hour(s). This is around 0 day(s)* or 0% 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 #
AN0157401
Secondary Permit #
AN0157401
2021
R Taff - Conf Rhondda R To Castle Street | 7 Spills | 2.5 hours | 0.02 The declared body of water receiving this discharge is the "R Taff - Conf Rhondda R To Castle Street" This station discharged sewage 7 time(s) during 2021. The station discharged for a total of 2.5 hour(s). This is around 0 day(s)* or 0.02% of the year.
99.6 | 34.1 hours This monitor was operational for 99.6% of the year. Leaving 34.1 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 #
AN0157401
Secondary Permit #
AN0157401
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Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
River Taff at Hawthorn and Rhydyfelin
River Taff at Nantgarw
River Taff at Pontcanna Fields, Cardiff
River Taff at Radyr Court Road, Cardiff
River Taff at Forest Farm and Melingriffith
River Taff at Cardiff City
River Taff at Pontypridd
River Taff at Taffs Well and Industrial Areas of Gwaelod y Garth
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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