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Llugwy - Conwy To Nantygwryd at Mill Rd SPS

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
Llugwy - Conwy To Nantygwryd | 266 Spills |
4739.5 hours | 18.03


The declared body of water receiving this discharge is the "Llugwy - Conwy To Nantygwryd"
This station has discharged sewage 266 time(s).
The station has discharged for a total of 4739.5 hour(s).
This is 18.03% of the time which we have data for.
In total: 197 day(s)* of elapsed time.

99.6 | 87.5 hours
This monitor has been operational for 99.6% of its total time we have data for.
There are 87.59 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Mill Rd SPS" is 2023, discharging sewage for 1986 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
Llugwy - Conwy To Nantygwryd | 111 Spills |
1986 hours | 22.67

The declared body of water receiving this discharge is the "Llugwy - Conwy To Nantygwryd"
This station discharged sewage 111 time(s) during 2023.
The station discharged for a total of 1986 hour(s).
This is around 82 day(s)* or 22.67% of the year.

99.9 | 3.5 hours
This monitor was operational for 99.9% of the year.
Leaving 3.5 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 #CG0162801
Secondary Permit #CG0162801

2022
Llugwy - Conwy To Nantygwryd | 76 Spills |
1331.7 hours | 15.2

The declared body of water receiving this discharge is the "Llugwy - Conwy To Nantygwryd"
This station discharged sewage 76 time(s) during 2022.
The station discharged for a total of 1331.7 hour(s).
This is around 55 day(s)* or 15.2% 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 #CG0162801
Secondary Permit #CG0162801

2021
Llugwy - Conwy To Nant Gwryd | 79 Spills |
1421.7 hours | 16.23

The declared body of water receiving this discharge is the "Llugwy - Conwy To Nant Gwryd"
This station discharged sewage 79 time(s) during 2021.
The station discharged for a total of 1421.7 hour(s).
This is around 59 day(s)* or 16.23% 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 #CG0162801
Secondary Permit #CG0162801


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

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