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Afon Cynon - Source To Conf Aman R at CSO At Bottom Monk Street

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
Afon Cynon - Source To Conf Aman R | 263 Spills |
1509.5 hours | 5.74


The declared body of water receiving this discharge is the "Afon Cynon - Source To Conf Aman R"
This station has discharged sewage 263 time(s).
The station has discharged for a total of 1509.5 hour(s).
This is 5.74% of the time which we have data for.
In total: 62 day(s)* of elapsed time.

93 | 1839.6 hours
This monitor has been operational for 93% of its total time we have data for.
There are 1839.6 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "CSO At Bottom Monk Street" is 2023, discharging sewage for 933.5 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
Afon Cynon - Source To Conf Aman R | 121 Spills |
933.5 hours | 10.65

The declared body of water receiving this discharge is the "Afon Cynon - Source To Conf Aman R"
This station discharged sewage 121 time(s) during 2023.
The station discharged for a total of 933.5 hour(s).
This is around 38 day(s)* or 10.65% of the year.

99.9 | 1.7 hours
This monitor was operational for 99.9% of the year.
Leaving 1.7 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 #AE2002701
Secondary Permit #AE2002701

2022
Afon Cynon - Source To Conf Aman R | 79 Spills |
275 hours | 3.13

The declared body of water receiving this discharge is the "Afon Cynon - Source To Conf Aman R"
This station discharged sewage 79 time(s) during 2022.
The station discharged for a total of 275 hour(s).
This is around 11 day(s)* or 3.13% of the year.

99.9 | 2.6 hours
This monitor was operational for 99.9% of the year.
Leaving 2.6 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 #AE2002701
Secondary Permit #AE2002701

2021
Afon Cynon - Source To Conf Aman R | 63 Spills |
301 hours | 3.43

The declared body of water receiving this discharge is the "Afon Cynon - Source To Conf Aman R"
This station discharged sewage 63 time(s) during 2021.
The station discharged for a total of 301 hour(s).
This is around 12 day(s)* or 3.43% of the year.

81.1 | 1648.6 hours
This monitor was operational for 81.1% of the year.
Leaving 1648.6 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:
Communications Issue - Escalated Through Business As Usual Process For Communications Failures.


*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 #AE2002701
Secondary Permit #AE2002701


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

Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
No flood warning icon

River Cynon at Aberdare


No flood warning icon

River Cynon at Hirwaun


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