Prysor - Upstream Llyn Trawsfynydd at CSO Rear Of Prysor Filling Station Traw

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

Prysor - Upstream Llyn Trawsfynydd | 26 Spills |
12.5 hours | 0.04

The declared body of water receiving this discharge is the "Prysor - Upstream Llyn Trawsfynydd"
This station has discharged sewage 26 time(s).
The station has discharged for a total of 12.5 hour(s).
This is 0.04% of the time which we have data for.
In total: 0 day(s)* of elapsed time.

99.3 | 175.2 hours
This monitor has been operational for 99.3% of its total time we have data for.
There are 175.2 hours unaccounted for due to downtime of the monitor.

The worst year in our records for the "CSO Rear Of Prysor Filling Station Traw" is 2023, discharging sewage for 6.7 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

Prysor - Upstream Llyn Trawsfynydd | 11 Spills |
6.7 hours | 0.07
The declared body of water receiving this discharge is the "Prysor - Upstream Llyn Trawsfynydd"
This station discharged sewage 11 time(s) during 2023.
The station discharged for a total of 6.7 hour(s).
This is around 0 day(s)* or 0.07% of the year.

99.7 | 20.1 hours
This monitor was operational for 99.7% of the year.
Leaving 20.1 hours unaccounted for in the data.

*This is total time in days, not individual days of the year.

Permit & Governance

Attribute	Value
Governing Body	Natural Resources Wales
Operator	Dwr Cymru Welsh Water
Primary Permit #	CG0357601
Secondary Permit #	CG0357601

2022

Prysor - Upstream Llyn Trawsfynydd | 10 Spills |
4.5 hours | 0.05
The declared body of water receiving this discharge is the "Prysor - Upstream Llyn Trawsfynydd"
This station discharged sewage 10 time(s) during 2022.
The station discharged for a total of 4.5 hour(s).
This is around 0 day(s)* or 0.05% 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

Attribute	Value
Governing Body	Natural Resources Wales
Operator	Dwr Cymru Welsh Water
Primary Permit #	CG0357601
Secondary Permit #	CG0357601

2021

Prysor | 5 Spills |
1.2 hours | 0.01
The declared body of water receiving this discharge is the "Prysor"
This station discharged sewage 5 time(s) during 2021.
The station discharged for a total of 1.2 hour(s).
This is around 0 day(s)* or 0.01% of the year.

100 | 0 hours
This monitor was operational for 100% of the year.
Leaving 0 hours unaccounted for in the data.

*This is total time in days, not individual days of the year.

Permit & Governance

Attribute	Value
Governing Body	Natural Resources Wales
Operator	Dwr Cymru Welsh Water
Primary Permit #	CG0357601
Secondary Permit #	CG0357601

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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

None

Nearby Stations

No nearby stations

Nearby Sewage Discharge Stations

CSO At Trawsfynydd Near Bron Gwyndy

CSO At Trawsfynydd WWTW

Trawsfynydd Maesgwindy Est CSO

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