Tawe -Confluence With Twrch To Tidal Limit at CSO Ynysforgan Roundabout
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
Tawe -Confluence With Twrch To Tidal Limit | 142 Spills | 1505 hours | 5.72
The declared body of water receiving this discharge is the "Tawe -Confluence With Twrch To Tidal Limit" This station has discharged sewage 142 time(s). The station has discharged for a total of 1505 hour(s). This is 5.72% of the time which we have data for. In total: 62 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 "CSO Ynysforgan Roundabout" is 2023, discharging sewage for 1210 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
Tawe -Confluence With Twrch To Tidal Limit | 105 Spills | 1210 hours | 13.81 The declared body of water receiving this discharge is the "Tawe -Confluence With Twrch To Tidal Limit" This station discharged sewage 105 time(s) during 2023. The station discharged for a total of 1210 hour(s). This is around 50 day(s)* or 13.81% of the year.
99.9 | 4.3 hours This monitor was operational for 99.9% of the year. Leaving 4.3 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 #
BW4104901
Secondary Permit #
BW4104901
2022
Tawe -Confluence With Twrch To Tidal Limit | 37 Spills | 295 hours | 3.36 The declared body of water receiving this discharge is the "Tawe -Confluence With Twrch To Tidal Limit" This station discharged sewage 37 time(s) during 2022. The station discharged for a total of 295 hour(s). This is around 12 day(s)* or 3.36% 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
Attribute
Value
Governing Body
Natural Resources Wales
Operator
Dwr Cymru Welsh Water
Primary Permit #
BW4104901
Secondary Permit #
BW4104901
2021
An Unnamed Tributary Of The River Tawe | 0 Spills | 0 hours | 0 The declared body of water receiving this discharge is the "An Unnamed Tributary Of The River Tawe" This station discharged sewage 0 time(s) during 2021. The station discharged for a total of 0 hour(s). This is around 0 day(s)* or 0% 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
Attribute
Value
Governing Body
Natural Resources Wales
Operator
Dwr Cymru Welsh Water
Primary Permit #
BW4104901
Secondary Permit #
BW4104901
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Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
River Tawe at Ynysforgan, Swansea
River Tawe at Clydach, Glais and Ynystawe
River Tawe at Ystalyfera
River Tawe at Godre'r-graig
River Tawe at Ynysderw Road and Cwm-Du, Pontardawe
Station overseen (meaning either provided, or regulated) by: Natural Resources Wales 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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