In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Trefnant 342 time(s). Sewage has been discharged for a total of 885.7 hour(s). In total: 0.1 year(s)* of elapsed time.
88.3 The stations, on average, have been monitoring for 88.3% 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 Meirchion Clwyd - Tidal Limit To Hesbin Clwyd - Un-Named Tributary Below Ystrad Henllan Brook Meirchion
View Summaries Nearby
Trefnant - Yearly Summary
Summary for Year 2023
114 Spills | 262.5 hours
In 2023, sewage was discharged in, or near (~3mi.), Trefnant 114 time(s). Sewage was discharged for a total of 262.5 hour(s). In total: 0.02 year(s)* of elapsed time.
77.3 The stations, on average, have been monitoring for 77.3% 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
95 Spills | 199 hours
In 2022, sewage was discharged in, or near (~3mi.), Trefnant 95 time(s). Sewage was discharged for a total of 199 hour(s). In total: 0.02 year(s)* of elapsed time.
88.2 The stations, on average, have been monitoring for 88.2% 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
133 Spills | 424.2 hours
In 2021, sewage was discharged in, or near (~3mi.), Trefnant 133 time(s). Sewage was discharged for a total of 424.2 hour(s). In total: 0.04 year(s)* of elapsed time.
99.4 The stations, on average, have been monitoring for 99.4% of the total time in 2021. Stations with missing data have been excluded from this calculation.