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Rhondda R - Source To Conf Afon Rhondda Fach at Penygraig Rd CSO, Penygraig

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.
Operational Summary - 2021-2023
Rhondda R - Source To Conf Afon Rhondda Fach | 218 Spills |
696 hours | 2.64


The declared body of water receiving this discharge is the "Rhondda R - Source To Conf Afon Rhondda Fach"
This station has discharged sewage 218 time(s).
The station has discharged for a total of 696 hour(s).
This is 2.64% of the time which we have data for.
In total: 29 day(s)* of elapsed time.

98.3 | 438 hours
This monitor has been operational for 98.3% of its total time we have data for.
There are 438 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Penygraig Rd CSO, Penygraig" is 2023, discharging sewage for 368.7 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
Rhondda R - Source To Conf Afon Rhondda Fach | 100 Spills |
368.7 hours | 4.2

The declared body of water receiving this discharge is the "Rhondda R - Source To Conf Afon Rhondda Fach"
This station discharged sewage 100 time(s) during 2023.
The station discharged for a total of 368.7 hour(s).
This is around 15 day(s)* or 4.2% of the year.

98.2 | 150.6 hours
This monitor was operational for 98.2% of the year.
Leaving 150.6 hours unaccounted for in the data.


*This is total time in days, not individual days of the year.

Permit & Governance

AttributeValue
Governing BodyNatural Resources Wales
OperatorDwr Cymru Welsh Water
Primary Permit #AN0118501
Secondary Permit #AN0118501

2022
Rhondda R - Source To Conf Afon Rhondda Fach | 69 Spills |
190.7 hours | 2.17

The declared body of water receiving this discharge is the "Rhondda R - Source To Conf Afon Rhondda Fach"
This station discharged sewage 69 time(s) during 2022.
The station discharged for a total of 190.7 hour(s).
This is around 7 day(s)* or 2.17% of the year.

98.7 | 110.3 hours
This monitor was operational for 98.7% of the year.
Leaving 110.3 hours unaccounted for in the data.


*This is total time in days, not individual days of the year.

Permit & Governance

AttributeValue
Governing BodyNatural Resources Wales
OperatorDwr Cymru Welsh Water
Primary Permit #AN0118501
Secondary Permit #AN0118501

2021
Rhondda R - Source To Conf Afon Rhondda Fach | 49 Spills |
136.5 hours | 1.55

The declared body of water receiving this discharge is the "Rhondda R - Source To Conf Afon Rhondda Fach"
This station discharged sewage 49 time(s) during 2021.
The station discharged for a total of 136.5 hour(s).
This is around 5 day(s)* or 1.55% of the year.

99 | 86.7 hours
This monitor was operational for 99% of the year.
Leaving 86.7 hours unaccounted for in the data.


*This is total time in days, not individual days of the year.

Permit & Governance

AttributeValue
Governing BodyNatural Resources Wales
OperatorDwr Cymru Welsh Water
Primary Permit #AN0118501
Secondary Permit #AN0118501


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Operator comments are presented, unedited, as they were received by us and do not reflect our views or position

Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
No flood warning icon

Rhondda Fawr at Gelli


No flood warning icon

Rhondda Fawr at Treherbert


No flood warning icon

Rhondda Rivers


No flood warning icon

Rhondda Fawr at Pentre


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Station Data Information
Station overseen (meaning either provided, or regulated) by: Natural Resources Wales
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