In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Defynnog 439 time(s). Sewage has been discharged for a total of 4458.5 hour(s). In total: 0.5 year(s)* of elapsed time.
80.8 The stations, on average, have been monitoring for 80.8% 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
Unnamed Trib - Source To Conf Afon Senni Cwm Treweryn - Source To River Senni R Usk - Conf Afon Senni To Conf Afon Crawnon Usk - Conf Afon Senni To Conf Afon Crawnon
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Defynnog - Yearly Summary
Summary for Year 2023
188 Spills | 2068.2 hours
In 2023, sewage was discharged in, or near (~3mi.), Defynnog 188 time(s). Sewage was discharged for a total of 2068.2 hour(s). In total: 0.23 year(s)* of elapsed time.
74.4 The stations, on average, have been monitoring for 74.4% 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
118 Spills | 1236 hours
In 2022, sewage was discharged in, or near (~3mi.), Defynnog 118 time(s). Sewage was discharged for a total of 1236 hour(s). In total: 0.14 year(s)* of elapsed time.
74.9 The stations, on average, have been monitoring for 74.9% 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 | 1154.2 hours
In 2021, sewage was discharged in, or near (~3mi.), Defynnog 133 time(s). Sewage was discharged for a total of 1154.2 hour(s). In total: 0.13 year(s)* of elapsed time.
92.9 The stations, on average, have been monitoring for 92.9% of the total time in 2021. Stations with missing data have been excluded from this calculation.