In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Henllan 401 time(s). Sewage has been discharged for a total of 613.5 hour(s). In total: 0.07 year(s)* of elapsed time.
87.8 The stations, on average, have been monitoring for 87.8% 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
Afon Meirchion Clwyd - Tidal Limit To Hesbin Clwyd - Un-Named Tributary Below Ystrad Henllan Brook Meirchion
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Henllan - Yearly Summary
Summary for Year 2023
139 Spills | 213.2 hours
In 2023, sewage was discharged in, or near (~3mi.), Henllan 139 time(s). Sewage was discharged for a total of 213.2 hour(s). In total: 0.02 year(s)* of elapsed time.
82.7 The stations, on average, have been monitoring for 82.7% 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
122 Spills | 162.7 hours
In 2022, sewage was discharged in, or near (~3mi.), Henllan 122 time(s). Sewage was discharged for a total of 162.7 hour(s). In total: 0.01 year(s)* of elapsed time.
87.5 The stations, on average, have been monitoring for 87.5% 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
140 Spills | 237.5 hours
In 2021, sewage was discharged in, or near (~3mi.), Henllan 140 time(s). Sewage was discharged for a total of 237.5 hour(s). In total: 0.02 year(s)* of elapsed time.
93.2 The stations, on average, have been monitoring for 93.2% of the total time in 2021. Stations with missing data have been excluded from this calculation.