In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Caerhun 1574 time(s). Sewage has been discharged for a total of 17543 hour(s). In total: 2 year(s)* of elapsed time.
99.9 The stations, on average, have been monitoring for 99.9% 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
Cegin Cegin Menai Strait Ogwen - Lower
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Caerhun - Yearly Summary
Summary for Year 2023
609 Spills | 6971.2 hours
In 2023, sewage was discharged in, or near (~3mi.), Caerhun 609 time(s). Sewage was discharged for a total of 6971.2 hour(s). In total: 0.79 year(s)* of elapsed time.
99.9 The stations, on average, have been monitoring for 99.9% 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
414 Spills | 4281.5 hours
In 2022, sewage was discharged in, or near (~3mi.), Caerhun 414 time(s). Sewage was discharged for a total of 4281.5 hour(s). In total: 0.48 year(s)* of elapsed time.
99.8 The stations, on average, have been monitoring for 99.8% 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
551 Spills | 6290.2 hours
In 2021, sewage was discharged in, or near (~3mi.), Caerhun 551 time(s). Sewage was discharged for a total of 6290.2 hour(s). In total: 0.71 year(s)* of elapsed time.
99.9 The stations, on average, have been monitoring for 99.9% of the total time in 2021. Stations with missing data have been excluded from this calculation.