River Basins CSO Pothouse Wharf Ps
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Tywi & Taf & Gwendraeth - Three Rivers Estuary at CSO Pothouse Wharf Ps

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
Tywi & Taf & Gwendraeth - Three Rivers Estuary | 228 Spills |
864.7 hours | 3.29


The declared body of water receiving this discharge is the "Tywi & Taf & Gwendraeth - Three Rivers Estuary"
This station has discharged sewage 228 time(s).
The station has discharged for a total of 864.7 hour(s).
This is 3.29% of the time which we have data for.
In total: 36 day(s)* of elapsed time.

100 | 0 hours
This monitor has been operational for 100% of its total time we have data for.
There are 0 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "CSO Pothouse Wharf Ps" is 2023, discharging sewage for 474.7 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
Tywi & Taf & Gwendraeth - Three Rivers Estuary | 98 Spills |
474.7 hours | 5.41

The declared body of water receiving this discharge is the "Tywi & Taf & Gwendraeth - Three Rivers Estuary"
This station discharged sewage 98 time(s) during 2023.
The station discharged for a total of 474.7 hour(s).
This is around 19 day(s)* or 5.41% 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 #BH0053407
Secondary Permit #BH0053407

2022
Tywi & Taf & Gwendraeth - Three Rivers Estuary | 64 Spills |
151.7 hours | 1.73

The declared body of water receiving this discharge is the "Tywi & Taf & Gwendraeth - Three Rivers Estuary"
This station discharged sewage 64 time(s) during 2022.
The station discharged for a total of 151.7 hour(s).
This is around 6 day(s)* or 1.73% 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 #BH0053407
Secondary Permit #BH0053407

2021
Tawelon - Headwaters To Tidal Limit | 66 Spills |
238.2 hours | 2.71

The declared body of water receiving this discharge is the " Tawelon - Headwaters To Tidal Limit"
This station discharged sewage 66 time(s) during 2021.
The station discharged for a total of 238.2 hour(s).
This is around 9 day(s)* or 2.71% 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 #BH0053407
Secondary Permit #BH0053407


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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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