In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Llantwit Major 165 time(s). Sewage has been discharged for a total of 988 hour(s). In total: 0.11 year(s)* of elapsed time.
99.9 The stations, on average, have been monitoring for 99.9% 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 Colhuw - Headwaters To Tidal Limit Bristol Channel Inner North Colhuw
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Llantwit Major - Yearly Summary
Summary for Year 2023
81 Spills | 511.5 hours
In 2023, sewage was discharged in, or near (~3mi.), Llantwit Major 81 time(s). Sewage was discharged for a total of 511.5 hour(s). In total: 0.05 year(s)* of elapsed time.
99.9 The stations, on average, have been monitoring for 99.9% 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
30 Spills | 101.2 hours
In 2022, sewage was discharged in, or near (~3mi.), Llantwit Major 30 time(s). Sewage was discharged for a total of 101.2 hour(s). In total: 0.01 year(s)* of elapsed time.
99.8 The stations, on average, have been monitoring for 99.8% 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
54 Spills | 375.2 hours
In 2021, sewage was discharged in, or near (~3mi.), Llantwit Major 54 time(s). Sewage was discharged for a total of 375.2 hour(s). In total: 0.04 year(s)* of elapsed time.
100 The stations, on average, have been monitoring for 100% of the total time in 2021. Stations with missing data have been excluded from this calculation.