In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Pentrefelin 1524 time(s). Sewage has been discharged for a total of 12311.7 hour(s). In total: 1.4 year(s)* of elapsed time.
93.6 The stations, on average, have been monitoring for 93.6% 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
Afon Conwy Afon Gyffin Coastal Waters Of Penrhyn Bay Conwy Estuarial Waters Of Afon Conwy Gyffin Hiraethlyn Nant Garreg Ddu River Conway
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Pentrefelin - Yearly Summary
Summary for Year 2023
524 Spills | 4242.5 hours
In 2023, sewage was discharged in, or near (~3mi.), Pentrefelin 524 time(s). Sewage was discharged for a total of 4242.5 hour(s). In total: 0.48 year(s)* of elapsed time.
90.5 The stations, on average, have been monitoring for 90.5% 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
447 Spills | 2381.7 hours
In 2022, sewage was discharged in, or near (~3mi.), Pentrefelin 447 time(s). Sewage was discharged for a total of 2381.7 hour(s). In total: 0.27 year(s)* of elapsed time.
93.3 The stations, on average, have been monitoring for 93.3% 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
553 Spills | 5687.5 hours
In 2021, sewage was discharged in, or near (~3mi.), Pentrefelin 553 time(s). Sewage was discharged for a total of 5687.5 hour(s). In total: 0.64 year(s)* of elapsed time.
97.1 The stations, on average, have been monitoring for 97.1% of the total time in 2021. Stations with missing data have been excluded from this calculation.