In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Trefriw 1603 time(s). Sewage has been discharged for a total of 9633.7 hour(s). In total: 1.09 year(s)* of elapsed time.
97.4 The stations, on average, have been monitoring for 97.4% 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
Conwy Conwy - Tidal Limit To Merddwr Nant Y Goron Porth-Llwyd
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Trefriw - Yearly Summary
Summary for Year 2023
734 Spills | 4036.5 hours
In 2023, sewage was discharged in, or near (~3mi.), Trefriw 734 time(s). Sewage was discharged for a total of 4036.5 hour(s). In total: 0.46 year(s)* of elapsed time.
92.5 The stations, on average, have been monitoring for 92.5% 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
410 Spills | 2316.7 hours
In 2022, sewage was discharged in, or near (~3mi.), Trefriw 410 time(s). Sewage was discharged for a total of 2316.7 hour(s). In total: 0.26 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
459 Spills | 3280.5 hours
In 2021, sewage was discharged in, or near (~3mi.), Trefriw 459 time(s). Sewage was discharged for a total of 3280.5 hour(s). In total: 0.37 year(s)* of elapsed time.
99.8 The stations, on average, have been monitoring for 99.8% of the total time in 2021. Stations with missing data have been excluded from this calculation.