River Basins . . . Dee - Alwen to Llyn Tegid Bala Wastewater Treatment Works
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Dee - Alwen To Llyn Tegid at Bala Wastewater Treatment 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.
Sewage Reports that include this Station
Operational Summary - 2023-2023
Dee - Alwen To Llyn Tegid | 80 Spills |
836 hours | 9.54


The declared body of water receiving this discharge is the "Dee - Alwen To Llyn Tegid"
This station has discharged sewage 80 time(s).
The station has discharged for a total of 836 hour(s).
This is 9.54% of the time which we have data for.
In total: 34 day(s)* of elapsed time.

99 | 87.6 hours
This monitor has been operational for 99% of its total time we have data for.
There are 87.6 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Bala Wastewater Treatment Works" is 2023, discharging sewage for 836 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
Dee - Alwen To Llyn Tegid | 80 Spills |
836 hours | 9.54

The declared body of water receiving this discharge is the "Dee - Alwen To Llyn Tegid"
This station discharged sewage 80 time(s) during 2023.
The station discharged for a total of 836 hour(s).
This is around 34 day(s)* or 9.54% 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 #CM0001501
Secondary Permit #CM0001501


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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
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River Dee communities from Llanuwchllyn to Llangollen


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Town of Bala


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Upper Dee catchment


 
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