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Corrwg - Headwaters To Confluence With Afan at CSO 129 Glyncorrwg CSO Glyncorrwg

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.
Sewage Reports that include this Station
Operational Summary - 2021-2023
Corrwg - Headwaters To Confluence With Afan | 51 Spills |
163.5 hours | 0.62


The declared body of water receiving this discharge is the "Corrwg - Headwaters To Confluence With Afan"
This station has discharged sewage 51 time(s).
The station has discharged for a total of 163.5 hour(s).
This is 0.62% of the time which we have data for.
In total: 6 day(s)* of elapsed time.

98.3 | 438 hours
This monitor has been operational for 98.3% of its total time we have data for.
There are 438 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "CSO 129 Glyncorrwg CSO Glyncorrwg" is 2021, discharging sewage for 113.7 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
Corrwg - Headwaters To Confluence With Afan | 25 Spills |
49.7 hours | 0.56

The declared body of water receiving this discharge is the "Corrwg - Headwaters To Confluence With Afan"
This station discharged sewage 25 time(s) during 2023.
The station discharged for a total of 49.7 hour(s).
This is around 2 day(s)* or 0.56% of the year.

97.7 | 197.1 hours
This monitor was operational for 97.7% of the year.
Leaving 197.1 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 #BP0317601
Secondary Permit #BP0317601

2022
Corrwg - Headwaters To Confluence With Afan | 0 Spills |
0 hours | 0

The declared body of water receiving this discharge is the "Corrwg - Headwaters To Confluence With Afan"
This station discharged sewage 0 time(s) during 2022.
The station discharged for a total of 0 hour(s).
This is around 0 day(s)* or 0% of the year.

99.7 | 19.2 hours
This monitor was operational for 99.7% of the year.
Leaving 19.2 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 #BP0317601
Secondary Permit #BP0317601

2021
Corrwg - Headwaters To Confluence With Afan | 26 Spills |
113.7 hours | 1.29

The declared body of water receiving this discharge is the " Corrwg - Headwaters To Confluence With Afan"
This station discharged sewage 26 time(s) during 2021.
The station discharged for a total of 113.7 hour(s).
This is around 4 day(s)* or 1.29% of the year.

99.9 | 8.7 hours
This monitor was operational for 99.9% of the year.
Leaving 8.7 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 #BP0317601
Secondary Permit #BP0317601


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