Tawe -Confluence With Twrch To Tidal Limit at Cwmbwrla CSO Cwmbwrla Rbout Swansea
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 | 360 Spills | 2805.2 hours | 10.67
The declared body of water receiving this discharge is the "Tawe -Confluence With Twrch To Tidal Limit" This station has discharged sewage 360 time(s). The station has discharged for a total of 2805.2 hour(s). This is 10.67% of the time which we have data for. In total: 116 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 "Cwmbwrla CSO Cwmbwrla Rbout Swansea" is 2021, discharging sewage for 1445.2 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 | 138 Spills | 976.5 hours | 11.14 The declared body of water receiving this discharge is the "Tawe -Confluence With Twrch To Tidal Limit" This station discharged sewage 138 time(s) during 2023. The station discharged for a total of 976.5 hour(s). This is around 40 day(s)* or 11.14% of the year.
99.9 | 3.5 hours This monitor was operational for 99.9% of the year. Leaving 3.5 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 #
BP0280801
Secondary Permit #
BP0280801
2022
Tawe -Confluence With Twrch To Tidal Limit | 92 Spills | 383.5 hours | 4.37 The declared body of water receiving this discharge is the "Tawe -Confluence With Twrch To Tidal Limit" This station discharged sewage 92 time(s) during 2022. The station discharged for a total of 383.5 hour(s). This is around 15 day(s)* or 4.37% 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
Attribute
Value
Governing Body
Natural Resources Wales
Operator
Dwr Cymru Welsh Water
Primary Permit #
BP0280801
Secondary Permit #
BP0280801
2021
Tawe - Conf With Nant Cwmgelli To Tida | 130 Spills | 1445.2 hours | 16.49 The declared body of water receiving this discharge is the "Tawe - Conf With Nant Cwmgelli To Tida" This station discharged sewage 130 time(s) during 2021. The station discharged for a total of 1445.2 hour(s). This is around 60 day(s)* or 16.49% 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 #
BP0280801
Secondary Permit #
BP0280801
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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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