River Basins . . . Ogwen - lower Rock Terrace CSO Bethesda
Loading animation

Ogwen - Lower at Rock Terrace CSO Bethesda

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
Ogwen - Lower | 205 Spills |
1279.2 hours | 4.86


The declared body of water receiving this discharge is the "Ogwen - Lower"
This station has discharged sewage 205 time(s).
The station has discharged for a total of 1279.2 hour(s).
This is 4.86% of the time which we have data for.
In total: 53 day(s)* of elapsed time.

97 | 788.4 hours
This monitor has been operational for 97% of its total time we have data for.
There are 788.4 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Rock Terrace CSO Bethesda" is 2021, discharging sewage for 548.7 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
Ogwen - Lower | 70 Spills |
467.7 hours | 5.33

The declared body of water receiving this discharge is the "Ogwen - Lower"
This station discharged sewage 70 time(s) during 2023.
The station discharged for a total of 467.7 hour(s).
This is around 19 day(s)* or 5.33% of the year.

97.1 | 251.4 hours
This monitor was operational for 97.1% of the year.
Leaving 251.4 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 #CG0164901
Secondary Permit #CG0164901

2022
Ogwen - Lower | 71 Spills |
262.7 hours | 2.99

The declared body of water receiving this discharge is the "Ogwen - Lower"
This station discharged sewage 71 time(s) during 2022.
The station discharged for a total of 262.7 hour(s).
This is around 10 day(s)* or 2.99% 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

AttributeValue
Governing BodyNatural Resources Wales
OperatorDwr Cymru Welsh Water
Primary Permit #CG0164901
Secondary Permit #CG0164901

2021
Ogwen - Lower | 64 Spills |
548.7 hours | 6.26

The declared body of water receiving this discharge is the "Ogwen - Lower"
This station discharged sewage 64 time(s) during 2021.
The station discharged for a total of 548.7 hour(s).
This is around 22 day(s)* or 6.26% of the year.

94.6 | 469.5 hours
This monitor was operational for 94.6% of the year.
Leaving 469.5 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 #CG0164901
Secondary Permit #CG0164901


FloodMapper is not affiliated with this monitoring stations operator(s) or any other entities that may be mentioned on this page.
All trademarks and registered trademarks are the property of their respective owners.

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

Local Information
Station Data Information
Station overseen (meaning either provided, or regulated) by: Natural Resources Wales
The information displayed here is used under license. We are not affiliated with any governing, or other, bodies. Nor do they necessarily endorse us, or us them.
Please note that FloodMapper does not verify or check the accuracy of the data provided by third parties. The data is used as received from the source. Any underlying errors, inconsistencies, or inaccuracies in the original data will be reflected in the information presented on our platform. Users are advised to exercise their own judgment and caution when using the data for decision-making purposes.
Information about our data sources and licenses can be found
 
FloodMapper is an independent site and is not associated with any government bodies (e.g. Environment Agency).
Copyright © FloodMapper 2023-2024.
All Rights Reserved