Porthleven - Sewage Summary

Summary for Porthleven 2021-2023

306 Spills | 469.3 hours

In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Porthleven 306 time(s).
Sewage has been discharged for a total of 469.3 hour(s).
In total: 0.05 year(s)* of elapsed time.

90.7
The stations, on average, have been monitoring for 90.7% 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

Mounts Bay Mounts Bay, English Channel River Cober River Cober (Via Sws) River Cober Via Sws

View Summaries Nearby

Porthleven - Yearly Summary

Summary for Year 2023

103 Spills | 146.7 hours

In 2023, sewage was discharged in, or near (~3mi.), Porthleven 103 time(s).
Sewage was discharged for a total of 146.7 hour(s).
In total: 0.01 year(s)* of elapsed time.

80.1
The stations, on average, have been monitoring for 80.1% of the total time in 2023.
Stations with missing data have been excluded from this calculation.

Worst Stations in 2023

1

82 Spills | 114.9 hours
Coinagehall Street CSO

2

11 Spills | 17.8 hours
Porthleven Harbour Attenuation

3

5 Spills | 11.7 hours
Helston Market Pumping Station

A single station may appear twice when there are multiple individual outlets in the top 3.

Summary for Year 2022

82 Spills | 75.5 hours

In 2022, sewage was discharged in, or near (~3mi.), Porthleven 82 time(s).
Sewage was discharged for a total of 75.5 hour(s).
In total: 0 year(s)* of elapsed time.

93.4
The stations, on average, have been monitoring for 93.4% of the total time in 2022.
Stations with missing data have been excluded from this calculation.

Worst Stations in 2022

1

68 Spills | 65.2 hours
Coinagehall Street CSO

2

13 Spills | 10.1 hours
Porthleven Harbour Attenuation

3

1 Spills | 0.2 hours
Grange Road CSO

A single station may appear twice when there are multiple individual outlets in the top 3.

Summary for Year 2021

121 Spills | 247 hours

In 2021, sewage was discharged in, or near (~3mi.), Porthleven 121 time(s).
Sewage was discharged for a total of 247 hour(s).
In total: 0.02 year(s)* of elapsed time.

98.7
The stations, on average, have been monitoring for 98.7% of the total time in 2021.
Stations with missing data have been excluded from this calculation.

Worst Stations in 2021

1

17 Spills | 114.3 hours
Helston WWTW

2

77 Spills | 87.1 hours
Coinagehall Street CSO

3

11 Spills | 13.3 hours
Porthleven Harbour Attenuation

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.

FloodMapper is an independent site and is not associated with any government bodies (e.g. Environment Agency).