River Basins . . . Rhymney R - conf Nant Cylla to Chapel Wood Asset No. 32207 Celtic Steel Factory CSO
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Rhymney R - Conf Nant Cylla To Chapel Wood at Asset No. 32207 Celtic Steel Factory 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.
Operational Summary - 2021-2023
Rhymney R - Conf Nant Cylla To Chapel Wood | 56 Spills |
24.7 hours | 0.09


The declared body of water receiving this discharge is the "Rhymney R - Conf Nant Cylla To Chapel Wood"
This station has discharged sewage 56 time(s).
The station has discharged for a total of 24.7 hour(s).
This is 0.09% of the time which we have data for.
In total: 1 day(s)* of elapsed time.

98 | 525.6 hours
This monitor has been operational for 98% of its total time we have data for.
There are 525.6 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Asset No. 32207 Celtic Steel Factory CSO" is 2023, discharging sewage for 13.5 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
Rhymney R - Conf Nant Cylla To Chapel Wood | 24 Spills |
13.5 hours | 0.15

The declared body of water receiving this discharge is the "Rhymney R - Conf Nant Cylla To Chapel Wood"
This station discharged sewage 24 time(s) during 2023.
The station discharged for a total of 13.5 hour(s).
This is around 0 day(s)* or 0.15% of the year.

99.7 | 22.7 hours
This monitor was operational for 99.7% of the year.
Leaving 22.7 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 #AN0093801
Secondary Permit #AN0093801

2022
Rhymney R - Conf Nant Cylla To Chapel Wood | 28 Spills |
10.2 hours | 0.11

The declared body of water receiving this discharge is the "Rhymney R - Conf Nant Cylla To Chapel Wood"
This station discharged sewage 28 time(s) during 2022.
The station discharged for a total of 10.2 hour(s).
This is around 0 day(s)* or 0.11% of the year.

99.9 | 7 hours
This monitor was operational for 99.9% of the year.
Leaving 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 #AN0093801
Secondary Permit #AN0093801

2021
Rhymney R - Conf Nant Cylla To Chapel Wood | 4 Spills |
1 hours | 0.01

The declared body of water receiving this discharge is the "Rhymney R - Conf Nant Cylla To Chapel Wood"
This station discharged sewage 4 time(s) during 2021.
The station discharged for a total of 1 hour(s).
This is around 0 day(s)* or 0.01% of the year.

96.9 | 268.9 hours
This monitor was operational for 96.9% of the year.
Leaving 268.9 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 #AN0093801
Secondary Permit #AN0093801


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

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