River Basins Severn South East Valleys Rhondda Afon Rhondda Fach - source to conf Rhondda R Maerdy Station Road CSO
Afon Rhondda Fach - Source To Conf Rhondda R at Maerdy Station Road CSO
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.
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
1384 hours | 5.26
The declared body of water receiving this discharge is the "Afon Rhondda Fach - Source To Conf Rhondda R"
This station has discharged sewage 212 time(s).
The station has discharged for a total of 1384 hour(s).
This is 5.26% of the time which we have data for.
In total: 57 day(s)* of elapsed time.
68.3 | 8322 hours
This monitor has been operational for 68.3% of its total time we have data for.
There are 8322 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Maerdy Station Road CSO" is 2023, discharging sewage for 883 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
883 hours | 10.07
The declared body of water receiving this discharge is the "Afon Rhondda Fach - Source To Conf Rhondda R"
This station discharged sewage 124 time(s) during 2023.
The station discharged for a total of 883 hour(s).
This is around 36 day(s)* or 10.07% of the year.
95.9 | 355.6 hours
This monitor was operational for 95.9% of the year.
Leaving 355.6 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 # | AN0220301 |
| Secondary Permit # | AN0220301 |
2022
387 hours | 4.41
The declared body of water receiving this discharge is the "Afon Rhondda Fach - Source To Conf Rhondda R"
This station discharged sewage 73 time(s) during 2022.
The station discharged for a total of 387 hour(s).
This is around 16 day(s)* or 4.41% of the year.
98.8 | 98.1 hours
This monitor was operational for 98.8% of the year.
Leaving 98.1 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 # | AN0220301 |
| Secondary Permit # | AN0220301 |
2021
Note: Data is potentially unreliable in 2021
Due to high unavailability of the monitor
Afon Rhondda Fach - Source To Conf Rhondda R | 15 Spills | Due to high unavailability of the monitor
114 hours | 1.3
The declared body of water receiving this discharge is the "Afon Rhondda Fach - Source To Conf Rhondda R"
This station discharged sewage 15 time(s) during 2021.
The station discharged for a total of 114 hour(s).
This is around 4 day(s)* or 1.3% of the year.
12.1 | 7693 hours
This monitor was operational for 12.1% of the year.
Leaving 7693 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 November 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 # | AN0220301 |
| Secondary Permit # | AN0220301 |
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Local Information
Station Data Information
Station overseen (meaning either provided, or regulated) by: Natural Resources Wales
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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
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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