River Basins Severn South East Valleys Rhymney Rhymney R - conf Nant Cylla to Chapel Wood Storm Water Overflow At Began, St Mellons
River Basins . . . Rhymney R - conf Nant Cylla to Chapel Wood Storm Water Overflow At Began, St Mellons
Rhymney R - Conf Nant Cylla To Chapel Wood at Storm Water Overflow At Began, St Mellons
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
1983 hours | 7.54
The declared body of water receiving this discharge is the "Rhymney R - Conf Nant Cylla To Chapel Wood"
This station has discharged sewage 363 time(s).
The station has discharged for a total of 1983 hour(s).
This is 7.54% of the time which we have data for.
In total: 82 day(s)* of elapsed time.
87.3 | 3328.8 hours
This monitor has been operational for 87.3% of its total time we have data for.
There are 3328.8 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Storm Water Overflow At Began, St Mellons" is 2023, discharging sewage for 1393.7 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
1393.7 hours | 15.91
The declared body of water receiving this discharge is the "Rhymney R - Conf Nant Cylla To Chapel Wood"
This station discharged sewage 166 time(s) during 2023.
The station discharged for a total of 1393.7 hour(s).
This is around 58 day(s)* or 15.91% of the year.
94.5 | 474.7 hours
This monitor was operational for 94.5% of the year.
Leaving 474.7 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 # | AE2017201 |
| Secondary Permit # | AE2017201 |
2022
351.5 hours | 4.01
The declared body of water receiving this discharge is the "Rhymney R - Conf Nant Cylla To Chapel Wood"
This station discharged sewage 93 time(s) during 2022.
The station discharged for a total of 351.5 hour(s).
This is around 14 day(s)* or 4.01% of the year.
98 | 167.3 hours
This monitor was operational for 98% of the year.
Leaving 167.3 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 # | AE2017201 |
| Secondary Permit # | AE2017201 |
2021
Note: Data is potentially unreliable in 2021
Due to high unavailability of the monitor
Rhymney R - Conf Nant Cylla To Chapel Wood | 104 Spills | Due to high unavailability of the monitor
237.7 hours | 2.71
The declared body of water receiving this discharge is the "Rhymney R - Conf Nant Cylla To Chapel Wood"
This station discharged sewage 104 time(s) during 2021.
The station discharged for a total of 237.7 hour(s).
This is around 9 day(s)* or 2.71% of the year.
70.3 | 2593.8 hours
This monitor was operational for 70.3% of the year.
Leaving 2593.8 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:
Data Unreliable From 01/01 - 27/03/2021. Due To Erratic Telemetry Signal. Communications Issue From 27/03 To 12/04/21.
*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 # | AE2017201 |
| Secondary Permit # | AE2017201 |
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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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