In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), St Columb Major 166 time(s). Sewage has been discharged for a total of 356.3 hour(s). In total: 0.04 year(s)* of elapsed time.
91.8 The stations, on average, have been monitoring for 91.8% 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
River Menahyl River Menathyl Tributary Of Porth Stream
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St Columb Major - Yearly Summary
Summary for Year 2023
50 Spills | 115.6 hours
In 2023, sewage was discharged in, or near (~3mi.), St Columb Major 50 time(s). Sewage was discharged for a total of 115.6 hour(s). In total: 0.01 year(s)* of elapsed time.
93 The stations, on average, have been monitoring for 93% 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
34 Spills | 115.3 hours
In 2022, sewage was discharged in, or near (~3mi.), St Columb Major 34 time(s). Sewage was discharged for a total of 115.3 hour(s). In total: 0.01 year(s)* of elapsed time.
82.5 The stations, on average, have been monitoring for 82.5% 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
82 Spills | 125.3 hours
In 2021, sewage was discharged in, or near (~3mi.), St Columb Major 82 time(s). Sewage was discharged for a total of 125.3 hour(s). In total: 0.01 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.