Tywi & Taf & Gwendraeth - Three Rivers Estuary at Wogan Mews CSO
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.
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
1248.7 hours | 4.75
The declared body of water receiving this discharge is the "Tywi & Taf & Gwendraeth - Three Rivers Estuary"
This station has discharged sewage 176 time(s).
The station has discharged for a total of 1248.7 hour(s).
This is 4.75% of the time which we have data for.
In total: 52 day(s)* of elapsed time.
81.6 | 4817.9 hours
This monitor has been operational for 81.6% of its total time we have data for.
There are 4817.99 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Wogan Mews CSO" is 2023, discharging sewage for 1095.5 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
1095.5 hours | 12.5
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 1095.5 hour(s).
This is around 45 day(s)* or 12.5% of the year.
95.7 | 376.6 hours
This monitor was operational for 95.7% of the year.
Leaving 376.6 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 # | BP0209601 |
| Secondary Permit # | BP0209601 |
2022
Note: Data is potentially unreliable in 2022
Due to high unavailability of the monitor
Tywi & Taf & Gwendraeth - Three Rivers Estuary | 18 Spills | Due to high unavailability of the monitor
26 hours | 0.29
The declared body of water receiving this discharge is the "Tywi & Taf & Gwendraeth - Three Rivers Estuary"
This station discharged sewage 18 time(s) during 2022.
The station discharged for a total of 26 hour(s).
This is around 1 day(s)* or 0.29% of the year.
52 | 4204.8 hours
This monitor was operational for 52% of the year.
Leaving 4204.8 hours unaccounted for in the data.
This falls below the 90% threshold where a reason should be given
The following reasons have been given for the downtime in 2022:
Comms Failure / Issue
*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 # | BP0209601 |
| Secondary Permit # | BP0209601 |
2021
127.2 hours | 1.45
The declared body of water receiving this discharge is the "Culverted Section Of Mackerel Lake Stream"
This station discharged sewage 60 time(s) during 2021.
The station discharged for a total of 127.2 hour(s).
This is around 5 day(s)* or 1.45% of the year.
98.2 | 152.4 hours
This monitor was operational for 98.2% of the year.
Leaving 152.4 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 # | BP0209601 |
| Secondary Permit # | BP0209601 |
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Local Information
Station Data Information
Station overseen (meaning either provided, or regulated) by: Natural Resources Wales
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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
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
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