River Basins Severn South East Valleys Rhymney Rhymney R - conf Nant Cylla to Chapel Wood CSO At Bridge Road, St Mellons, Cardiff
River Basins . . . Rhymney R - conf Nant Cylla to Chapel Wood CSO At Bridge Road, St Mellons, Cardiff
Rhymney R - Conf Nant Cylla To Chapel Wood at CSO At Bridge Road, St Mellons, Cardiff
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
238.5 hours | 0.9
The declared body of water receiving this discharge is the "Rhymney R - Conf Nant Cylla To Chapel Wood"
This station has discharged sewage 18 time(s).
The station has discharged for a total of 238.5 hour(s).
This is 0.9% of the time which we have data for.
In total: 9 day(s)* of elapsed time.
78.6 | 5606.3 hours
This monitor has been operational for 78.6% of its total time we have data for.
There are 5606.39 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "CSO At Bridge Road, St Mellons, Cardiff" is 2021, discharging sewage for 233.7 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
Rhymney R - Conf Nant Cylla To Chapel Wood | 0 Spills | Due to high unavailability of the monitor
0 hours | 0
The declared body of water receiving this discharge is the "Rhymney R - Conf Nant Cylla To Chapel Wood"
This station discharged sewage 0 time(s) during 2023.
The station discharged for a total of 0 hour(s).
This is around 0 day(s)* or 0% of the year.
46 | 4730.4 hours
This monitor was operational for 46% of the year.
Leaving 4730.4 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 # | AN0086101 |
| Secondary Permit # | AN0086101 |
2022
4.7 hours | 0.05
The declared body of water receiving this discharge is the "Rhymney R - Conf Nant Cylla To Chapel Wood"
This station discharged sewage 2 time(s) during 2022.
The station discharged for a total of 4.7 hour(s).
This is around 0 day(s)* or 0.05% of the year.
91.8 | 717.4 hours
This monitor was operational for 91.8% of the year.
Leaving 717.4 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 # | AN0086101 |
| Secondary Permit # | AN0086101 |
2021
233.7 hours | 2.66
The declared body of water receiving this discharge is the " Rhymney R - Conf Nant Cylla To Chapel Wood"
This station discharged sewage 16 time(s) during 2021.
The station discharged for a total of 233.7 hour(s).
This is around 9 day(s)* or 2.66% 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 # | AN0086101 |
| Secondary Permit # | AN0086101 |
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Local Information
Nearby Flood Warnings
None
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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