In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Efail Isaf 1711 time(s). Sewage has been discharged for a total of 11440.5 hour(s). In total: 1.3 year(s)* of elapsed time.
99.6 The stations, on average, have been monitoring for 99.6% of the total time we have data for.
Discharge Volume by Year
Hours and Spills by Year
Uptime Yearly Summary (Average)
Summary of Bodies Receiving Discharge
Nant Clun - Source To Conf Ely R R Taff - Conf Rhondda R To Castle Street Rhondda R - Source To Conf Afon Rhondda Fach Taff - Conf Rhondda R To Castle Street
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Efail Isaf - Yearly Summary
Summary for Year 2023
682 Spills | 5350 hours
In 2023, sewage was discharged in, or near (~3mi.), Efail Isaf 682 time(s). Sewage was discharged for a total of 5350 hour(s). In total: 0.61 year(s)* of elapsed time.
99.6 The stations, on average, have been monitoring for 99.6% of the total time in 2023. Stations with missing data have been excluded from this calculation.
A single station may appear twice when there are multiple individual outlets in the top 3.
Summary for Year 2022
493 Spills | 2776.2 hours
In 2022, sewage was discharged in, or near (~3mi.), Efail Isaf 493 time(s). Sewage was discharged for a total of 2776.2 hour(s). In total: 0.31 year(s)* of elapsed time.
99.7 The stations, on average, have been monitoring for 99.7% of the total time in 2022. Stations with missing data have been excluded from this calculation.
A single station may appear twice when there are multiple individual outlets in the top 3.
Summary for Year 2021
536 Spills | 3314.2 hours
In 2021, sewage was discharged in, or near (~3mi.), Efail Isaf 536 time(s). Sewage was discharged for a total of 3314.2 hour(s). In total: 0.37 year(s)* of elapsed time.
99.5 The stations, on average, have been monitoring for 99.5% of the total time in 2021. Stations with missing data have been excluded from this calculation.