St John - Sewage Summary
Summary for St John 2021-2023
In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), St John 1302 time(s).
Sewage has been discharged for a total of 4784 hour(s).
In total: 0.54 year(s)* of elapsed time.
94.1
The stations, on average, have been monitoring for 94.1% 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
(E) Millbrook Creek Cawsand Bay (C) Cawsand Bay Estaurine Via Sws Hamoaze (Estuarine) Millbrook Lake Millbrook Via Sws Plymouth Sound (Estuarine) River Lynher River Lynher Estuary River Tamar (Estuarine) St John's Lake (Estuarine) St Johns Leat (E) The Hamoaze(S)
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St John - Yearly Summary
Summary for Year 2023
In 2023, sewage was discharged in, or near (~3mi.), St John 483 time(s).
Sewage was discharged for a total of 1702.3 hour(s).
In total: 0.19 year(s)* of elapsed time.
98.5
The stations, on average, have been monitoring for 98.5% of the total time in 2023.
Stations with missing data have been excluded from this calculation.
Worst Stations in 2023
A single station may appear twice when there are multiple individual outlets in the top 3.
Summary for Year 2022
In 2022, sewage was discharged in, or near (~3mi.), St John 305 time(s).
Sewage was discharged for a total of 854.9 hour(s).
In total: 0.09 year(s)* of elapsed time.
96.4
The stations, on average, have been monitoring for 96.4% of the total time in 2022.
Stations with missing data have been excluded from this calculation.
Worst Stations in 2022
A single station may appear twice when there are multiple individual outlets in the top 3.
Summary for Year 2021
In 2021, sewage was discharged in, or near (~3mi.), St John 514 time(s).
Sewage was discharged for a total of 2226.6 hour(s).
In total: 0.25 year(s)* of elapsed time.
87.3
The stations, on average, have been monitoring for 87.3% of the total time in 2021.
Stations with missing data have been excluded from this calculation.
Worst Stations in 2021
A single station may appear twice when there are multiple individual outlets in the top 3.
* - Elapsed time, in years or days, is the sum of time across the station(s) for which discharge event(s) have occured.
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