In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Porth-y-waen 73 time(s). Sewage has been discharged for a total of 1145.2 hour(s). In total: 0.13 year(s)* of elapsed time.
75.7 The stations, on average, have been monitoring for 75.7% 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 Vyrnwy River Vyrnwy
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Porth-y-waen - Yearly Summary
Summary for Year 2023
24 Spills | 262.1 hours
In 2023, sewage was discharged in, or near (~3mi.), Porth-y-waen 24 time(s). Sewage was discharged for a total of 262.1 hour(s). In total: 0.02 year(s)* of elapsed time.
27.7 The stations, on average, have been monitoring for 27.7% 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
10 Spills | 180 hours
In 2022, sewage was discharged in, or near (~3mi.), Porth-y-waen 10 time(s). Sewage was discharged for a total of 180 hour(s). In total: 0.02 year(s)* of elapsed time.
100 The stations, on average, have been monitoring for 100% 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
39 Spills | 703 hours
In 2021, sewage was discharged in, or near (~3mi.), Porth-y-waen 39 time(s). Sewage was discharged for a total of 703 hour(s). In total: 0.08 year(s)* of elapsed time.
99.5 The stations, on average, have been monitoring for 99.5% of the total time in 2021. Stations with missing data have been excluded from this calculation.