In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Pentrefelin 853 time(s). Sewage has been discharged for a total of 7497.5 hour(s). In total: 0.85 year(s)* of elapsed time.
81.4 The stations, on average, have been monitoring for 81.4% 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
Goch Amlwch Alaw Alaw - Upstream Llyn Alaw Anglesey North Goch Amlwch
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Pentrefelin - Yearly Summary
Summary for Year 2023
457 Spills | 5296.5 hours
In 2023, sewage was discharged in, or near (~3mi.), Pentrefelin 457 time(s). Sewage was discharged for a total of 5296.5 hour(s). In total: 0.6 year(s)* of elapsed time.
82.9 The stations, on average, have been monitoring for 82.9% 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
163 Spills | 611.7 hours
In 2022, sewage was discharged in, or near (~3mi.), Pentrefelin 163 time(s). Sewage was discharged for a total of 611.7 hour(s). In total: 0.06 year(s)* of elapsed time.
67.6 The stations, on average, have been monitoring for 67.6% 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
233 Spills | 1589.2 hours
In 2021, sewage was discharged in, or near (~3mi.), Pentrefelin 233 time(s). Sewage was discharged for a total of 1589.2 hour(s). In total: 0.18 year(s)* of elapsed time.
93.7 The stations, on average, have been monitoring for 93.7% of the total time in 2021. Stations with missing data have been excluded from this calculation.