In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Trethomas 1137 time(s). Sewage has been discharged for a total of 8374.5 hour(s). In total: 0.95 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
Nant Y Aber - Source To Conf Rhymney R Nant Y Aber - Source To Conf Rhymney R Rhymney R - Conf Nant Cylla To Chapel Wood Sirhowy R - Rock Villas To Conf Afon Ebwy
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Trethomas - Yearly Summary
Summary for Year 2023
501 Spills | 4388.2 hours
In 2023, sewage was discharged in, or near (~3mi.), Trethomas 501 time(s). Sewage was discharged for a total of 4388.2 hour(s). In total: 0.5 year(s)* of elapsed time.
85.7 The stations, on average, have been monitoring for 85.7% 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
343 Spills | 2214.7 hours
In 2022, sewage was discharged in, or near (~3mi.), Trethomas 343 time(s). Sewage was discharged for a total of 2214.7 hour(s). In total: 0.25 year(s)* of elapsed time.
88.5 The stations, on average, have been monitoring for 88.5% 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
293 Spills | 1771.5 hours
In 2021, sewage was discharged in, or near (~3mi.), Trethomas 293 time(s). Sewage was discharged for a total of 1771.5 hour(s). In total: 0.2 year(s)* of elapsed time.
90.8 The stations, on average, have been monitoring for 90.8% of the total time in 2021. Stations with missing data have been excluded from this calculation.