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Tawe -Confluence With Twrch To Tidal Limit at Trebanos Wastewater Treament Works

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
Tawe -Confluence With Twrch To Tidal Limit | 560 Spills |
10141 hours | 38.58


The declared body of water receiving this discharge is the "Tawe -Confluence With Twrch To Tidal Limit"
This station has discharged sewage 560 time(s).
The station has discharged for a total of 10141 hour(s).
This is 38.58% of the time which we have data for.
In total: 422 day(s)* of elapsed time.

99 | 262.8 hours
This monitor has been operational for 99% of its total time we have data for.
There are 262.8 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Trebanos Wastewater Treament Works" is 2023, discharging sewage for 4059 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
Tawe -Confluence With Twrch To Tidal Limit | 208 Spills |
4059 hours | 46.33

The declared body of water receiving this discharge is the "Tawe -Confluence With Twrch To Tidal Limit"
This station discharged sewage 208 time(s) during 2023.
The station discharged for a total of 4059 hour(s).
This is around 169 day(s)* or 46.33% of the year.

99.9 | 6.1 hours
This monitor was operational for 99.9% of the year.
Leaving 6.1 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 #BC0016601
Secondary Permit #BC0016601

2022
Tawe -Confluence With Twrch To Tidal Limit | 170 Spills |
2850.7 hours | 32.54

The declared body of water receiving this discharge is the "Tawe -Confluence With Twrch To Tidal Limit"
This station discharged sewage 170 time(s) during 2022.
The station discharged for a total of 2850.7 hour(s).
This is around 118 day(s)* or 32.54% of the year.

99.8 | 14 hours
This monitor was operational for 99.8% of the year.
Leaving 14 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 #BC0016601
Secondary Permit #BC0016601

2021
Tawe | 182 Spills |
3231.2 hours | 36.88

The declared body of water receiving this discharge is the "Tawe"
This station discharged sewage 182 time(s) during 2021.
The station discharged for a total of 3231.2 hour(s).
This is around 134 day(s)* or 36.88% of the year.

99.2 | 67.4 hours
This monitor was operational for 99.2% of the year.
Leaving 67.4 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 #BC0016601
Secondary Permit #BC0016601


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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
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River Tawe at Ystalyfera


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