St Merryn - Sewage Summary

Summary for St Merryn 2021-2023

350 Spills | 4464.3 hours

In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), St Merryn 350 time(s).
Sewage has been discharged for a total of 4464.3 hour(s).
In total: 0.5 year(s)* of elapsed time.

98.5
The stations, on average, have been monitoring for 98.5% 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

Mother Iveys Bay (C) Trevone Bay Treyarnon Stream

View Summaries Nearby

St Merryn - Yearly Summary

Summary for Year 2023

181 Spills | 2414.6 hours

In 2023, sewage was discharged in, or near (~3mi.), St Merryn 181 time(s).
Sewage was discharged for a total of 2414.6 hour(s).
In total: 0.27 year(s)* of elapsed time.

98.9
The stations, on average, have been monitoring for 98.9% of the total time in 2023.
Stations with missing data have been excluded from this calculation.

Worst Stations in 2023

1

133 Spills | 1852 hours
St Merryn Combined Sewer Overflow

2

30 Spills | 490.1 hours
Trevone Pumping Station

3

18 Spills | 72.5 hours
Trehemborne Ps

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

Summary for Year 2022

93 Spills | 1059.2 hours

In 2022, sewage was discharged in, or near (~3mi.), St Merryn 93 time(s).
Sewage was discharged for a total of 1059.2 hour(s).
In total: 0.12 year(s)* of elapsed time.

98
The stations, on average, have been monitoring for 98% of the total time in 2022.
Stations with missing data have been excluded from this calculation.

Worst Stations in 2022

1

68 Spills | 740.8 hours
St Merryn Combined Sewer Overflow

2

16 Spills | 296.7 hours
Trevone Pumping Station

3

9 Spills | 21.6 hours
Trehemborne Ps

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

Summary for Year 2021

76 Spills | 990.4 hours

In 2021, sewage was discharged in, or near (~3mi.), St Merryn 76 time(s).
Sewage was discharged for a total of 990.4 hour(s).
In total: 0.11 year(s)* of elapsed time.

98.6
The stations, on average, have been monitoring for 98.6% of the total time in 2021.
Stations with missing data have been excluded from this calculation.

Worst Stations in 2021

1

53 Spills | 617.8 hours
St Merryn Combined Sewer Overflow

2

21 Spills | 372 hours
Trevone Pumping Station

3

2 Spills | 0.6 hours
Trehemborne Ps

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).