River Basins Western Wales Tawe to Cadoxton Afan Pelenna - headwaters to confluence with Afan CSO No 110 Tonmawr
Pelenna - Headwaters To Confluence With Afan at CSO No 110 Tonmawr
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
1985 hours | 7.55
The declared body of water receiving this discharge is the "Pelenna - Headwaters To Confluence With Afan"
This station has discharged sewage 283 time(s).
The station has discharged for a total of 1985 hour(s).
This is 7.55% of the time which we have data for.
In total: 82 day(s)* of elapsed time.
95 | 1314 hours
This monitor has been operational for 95% of its total time we have data for.
There are 1314 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "CSO No 110 Tonmawr" is 2023, discharging sewage for 1074.7 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
1074.7 hours | 12.26
The declared body of water receiving this discharge is the "Pelenna - Headwaters To Confluence With Afan"
This station discharged sewage 114 time(s) during 2023.
The station discharged for a total of 1074.7 hour(s).
This is around 44 day(s)* or 12.26% of the year.
96.7 | 285.5 hours
This monitor was operational for 96.7% of the year.
Leaving 285.5 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 # | BW2901001 |
| Secondary Permit # | BW2901001 |
2022
437 hours | 4.98
The declared body of water receiving this discharge is the "Pelenna - Headwaters To Confluence With Afan"
This station discharged sewage 92 time(s) during 2022.
The station discharged for a total of 437 hour(s).
This is around 18 day(s)* or 4.98% of the year.
97.8 | 190.9 hours
This monitor was operational for 97.8% of the year.
Leaving 190.9 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 # | BW2901001 |
| Secondary Permit # | BW2901001 |
2021
473.2 hours | 5.4
The declared body of water receiving this discharge is the "Afon Pelenna"
This station discharged sewage 77 time(s) during 2021.
The station discharged for a total of 473.2 hour(s).
This is around 19 day(s)* or 5.4% of the year.
92.9 | 620.2 hours
This monitor was operational for 92.9% of the year.
Leaving 620.2 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 # | BW2901001 |
| Secondary Permit # | BW2901001 |
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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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