River Basins Severn South East Valleys Rhymney Rhymney R - Nant Bargod Rhymni to conf Nant Cylla Trelyn Lane CSO Fleur-De-Lis
Rhymney R - Nant Bargod Rhymni To Conf Nant Cylla at Trelyn Lane CSO Fleur-De-Lis
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
547 hours | 2.08
The declared body of water receiving this discharge is the "Rhymney R - Nant Bargod Rhymni To Conf Nant Cylla"
This station has discharged sewage 101 time(s).
The station has discharged for a total of 547 hour(s).
This is 2.08% of the time which we have data for.
In total: 22 day(s)* of elapsed time.
60.6 | 10336.8 hours
This monitor has been operational for 60.6% of its total time we have data for.
There are 10336.8 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Trelyn Lane CSO Fleur-De-Lis" is 2021, discharging sewage for 229.5 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 - Nant Bargod Rhymni To Conf Nant Cylla | 17 Spills | Due to high unavailability of the monitor
140 hours | 1.59
The declared body of water receiving this discharge is the "Rhymney R - Nant Bargod Rhymni To Conf Nant Cylla"
This station discharged sewage 17 time(s) during 2023.
The station discharged for a total of 140 hour(s).
This is around 5 day(s)* or 1.59% of the year.
9.9 | 7891 hours
This monitor was operational for 9.9% of the year.
Leaving 7891 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 # | AN0408601 |
| Secondary Permit # | AN0408601 |
2022
Note: Data is potentially unreliable in 2022
Due to high unavailability of the monitor
Rhymney R - Nant Bargod Rhymni To Conf Nant Cylla | 33 Spills | Due to high unavailability of the monitor
177.5 hours | 2.02
The declared body of water receiving this discharge is the "Rhymney R - Nant Bargod Rhymni To Conf Nant Cylla"
This station discharged sewage 33 time(s) during 2022.
The station discharged for a total of 177.5 hour(s).
This is around 7 day(s)* or 2.02% of the year.
74.1 | 2265.3 hours
This monitor was operational for 74.1% of the year.
Leaving 2265.3 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 2022:
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 # | AN0408601 |
| Secondary Permit # | AN0408601 |
2021
229.5 hours | 2.61
The declared body of water receiving this discharge is the "Rhymney R - Nant Bargod Rhymni To Conf Nant Cyl"
This station discharged sewage 51 time(s) during 2021.
The station discharged for a total of 229.5 hour(s).
This is around 9 day(s)* or 2.61% of the year.
99.1 | 72.7 hours
This monitor was operational for 99.1% of the year.
Leaving 72.7 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 # | AN0408601 |
| Secondary Permit # | AN0408601 |
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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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