In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Manaccan 138 time(s). Sewage has been discharged for a total of 1022.1 hour(s). In total: 0.11 year(s)* of elapsed time.
92.8 The stations, on average, have been monitoring for 92.8% 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
(S) St Keverne Stream Porthallow Stream (S) The Helford Creek(E)
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Manaccan - Yearly Summary
Summary for Year 2023
61 Spills | 440.2 hours
In 2023, sewage was discharged in, or near (~3mi.), Manaccan 61 time(s). Sewage was discharged for a total of 440.2 hour(s). In total: 0.05 year(s)* of elapsed time.
100 The stations, on average, have been monitoring for 100% 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
26 Spills | 145.3 hours
In 2022, sewage was discharged in, or near (~3mi.), Manaccan 26 time(s). Sewage was discharged for a total of 145.3 hour(s). In total: 0.01 year(s)* of elapsed time.
94.3 The stations, on average, have been monitoring for 94.3% 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
51 Spills | 436.6 hours
In 2021, sewage was discharged in, or near (~3mi.), Manaccan 51 time(s). Sewage was discharged for a total of 436.6 hour(s). In total: 0.04 year(s)* of elapsed time.
84.3 The stations, on average, have been monitoring for 84.3% of the total time in 2021. Stations with missing data have been excluded from this calculation.