River Basins Llannant WWTW Llannant Road Swansea Settled Storm
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Burry Inlet Inner at Llannant WWTW Llannant Road Swansea Settled Storm

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
Burry Inlet Inner | 431 Spills |
6871.7 hours | 26.14


The declared body of water receiving this discharge is the "Burry Inlet Inner"
This station has discharged sewage 431 time(s).
The station has discharged for a total of 6871.7 hour(s).
This is 26.14% of the time which we have data for.
In total: 286 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 "Llannant WWTW Llannant Road Swansea Settled Storm" is 2023, discharging sewage for 2631 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
Burry Inlet Inner | 150 Spills |
2631 hours | 30.03

The declared body of water receiving this discharge is the "Burry Inlet Inner"
This station discharged sewage 150 time(s) during 2023.
The station discharged for a total of 2631 hour(s).
This is around 109 day(s)* or 30.03% of the year.

99.9 | 5.2 hours
This monitor was operational for 99.9% of the year.
Leaving 5.2 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 #BP0341501
Secondary Permit #BP0341501

2022
Burry Inlet Inner | 108 Spills |
1857 hours | 21.19

The declared body of water receiving this discharge is the "Burry Inlet Inner"
This station discharged sewage 108 time(s) during 2022.
The station discharged for a total of 1857 hour(s).
This is around 77 day(s)* or 21.19% 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 #BP0341501
Secondary Permit #BP0341501

2021
Llannant Pill - Headwaters To Tidal Limit | 173 Spills |
2383.7 hours | 27.21

The declared body of water receiving this discharge is the "Llannant Pill - Headwaters To Tidal Limit"
This station discharged sewage 173 time(s) during 2021.
The station discharged for a total of 2383.7 hour(s).
This is around 99 day(s)* or 27.21% 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 #BP0341501
Secondary Permit #BP0341501


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