Ely R - Source To Conf Nant Clun at CSO At Mill Street, Tonyrefail
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
Ely R - Source To Conf Nant Clun | 136 Spills | 396 hours | 1.5
The declared body of water receiving this discharge is the "Ely R - Source To Conf Nant Clun" This station has discharged sewage 136 time(s). The station has discharged for a total of 396 hour(s). This is 1.5% of the time which we have data for. In total: 16 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 Mill Street, Tonyrefail" is 2023, discharging sewage for 168.7 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
Ely R - Source To Conf Nant Clun | 57 Spills | 168.7 hours | 1.92 The declared body of water receiving this discharge is the "Ely R - Source To Conf Nant Clun" This station discharged sewage 57 time(s) during 2023. The station discharged for a total of 168.7 hour(s). This is around 7 day(s)* or 1.92% of the year.
99.4 | 51.6 hours This monitor was operational for 99.4% of the year. Leaving 51.6 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 #
AN0245101
Secondary Permit #
AN0245101
2022
Ely R - Source To Conf Nant Clun | 41 Spills | 99.2 hours | 1.13 The declared body of water receiving this discharge is the "Ely R - Source To Conf Nant Clun" This station discharged sewage 41 time(s) during 2022. The station discharged for a total of 99.2 hour(s). This is around 4 day(s)* or 1.13% of the year.
99.3 | 61.3 hours This monitor was operational for 99.3% of the year. Leaving 61.3 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 #
AN0245101
Secondary Permit #
AN0245101
2021
Ely R - Source To Conf Nant Mychydd | 38 Spills | 128 hours | 1.46 The declared body of water receiving this discharge is the "Ely R - Source To Conf Nant Mychydd" This station discharged sewage 38 time(s) during 2021. The station discharged for a total of 128 hour(s). This is around 5 day(s)* or 1.46% of the year.
99.2 | 70 hours This monitor was operational for 99.2% of the year. Leaving 70 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 #
AN0245101
Secondary Permit #
AN0245101
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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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