In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Y Felinheli 2107 time(s). Sewage has been discharged for a total of 25740.2 hour(s). In total: 2.93 year(s)* of elapsed time.
90.8 The stations, on average, have been monitoring for 90.8% 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
Seiont - Lower Afon Briant Afon Cadnant Braint - Lower Braint - Upper Cadnant Menai Strait Seiont The Menai Strait Unnamed Tributary Of Afon Cadnant
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Y Felinheli - Yearly Summary
Summary for Year 2023
888 Spills | 11979.7 hours
In 2023, sewage was discharged in, or near (~3mi.), Y Felinheli 888 time(s). Sewage was discharged for a total of 11979.7 hour(s). In total: 1.36 year(s)* of elapsed time.
95 The stations, on average, have been monitoring for 95% 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
533 Spills | 5200.7 hours
In 2022, sewage was discharged in, or near (~3mi.), Y Felinheli 533 time(s). Sewage was discharged for a total of 5200.7 hour(s). In total: 0.59 year(s)* of elapsed time.
86.2 The stations, on average, have been monitoring for 86.2% 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
686 Spills | 8559.7 hours
In 2021, sewage was discharged in, or near (~3mi.), Y Felinheli 686 time(s). Sewage was discharged for a total of 8559.7 hour(s). In total: 0.97 year(s)* of elapsed time.
91.1 The stations, on average, have been monitoring for 91.1% of the total time in 2021. Stations with missing data have been excluded from this calculation.