Welwyn Garden City - Sewage Summary

Summary for Welwyn Garden City 2021-2023

20 Spills | 116.9 hours

In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Welwyn Garden City 20 time(s).
Sewage has been discharged for a total of 116.9 hour(s).
In total: 0.01 year(s)* of elapsed time.

95.6
The stations, on average, have been monitoring for 95.6% of the total time we have data for.

Discharge Volume by Year

Hours and Spills by Year

Uptime Yearly Summary (Average)

View Summaries Nearby

Welwyn Garden City - Yearly Summary

Summary for Year 2023

10 Spills | 79 hours

In 2023, sewage was discharged in, or near (~3mi.), Welwyn Garden City 10 time(s).
Sewage was discharged for a total of 79 hour(s).
In total: 0 year(s)* of elapsed time.

89
The stations, on average, have been monitoring for 89% of the total time in 2023.
Stations with missing data have been excluded from this calculation.

Worst Stations in 2023

1

10 Spills | 79 hours
Hatfield (Mill Green)

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

Summary for Year 2022

6 Spills | 34.2 hours

In 2022, sewage was discharged in, or near (~3mi.), Welwyn Garden City 6 time(s).
Sewage was discharged for a total of 34.2 hour(s).
In total: 0 year(s)* of elapsed time.

99.9
The stations, on average, have been monitoring for 99.9% of the total time in 2022.
Stations with missing data have been excluded from this calculation.

Worst Stations in 2022

1

6 Spills | 34.2 hours
Hatfield (Mill Green)

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

Summary for Year 2021

4 Spills | 3.6 hours

In 2021, sewage was discharged in, or near (~3mi.), Welwyn Garden City 4 time(s).
Sewage was discharged for a total of 3.6 hour(s).
In total: 0 year(s)* of elapsed time.

97.9
The stations, on average, have been monitoring for 97.9% of the total time in 2021.
Stations with missing data have been excluded from this calculation.

Worst Stations in 2021

1

4 Spills | 3.6 hours
Hatfield (Mill Green)

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).