City of Westminster - Sewage Summary

Summary for City of Westminster 2021-2023

1680 Spills | 5523.7 hours

In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), City of Westminster 1680 time(s).
Sewage has been discharged for a total of 5523.7 hour(s).
In total: 0.63 year(s)* of elapsed time.

91.2
The stations, on average, have been monitoring for 91.2% 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

R.Thames ( Tidal ) Thames Tidal Tidal Thames

View Summaries Nearby

City of Westminster - Yearly Summary

Summary for Year 2023

676 Spills | 2557.2 hours

In 2023, sewage was discharged in, or near (~3mi.), City of Westminster 676 time(s).
Sewage was discharged for a total of 2557.2 hour(s).
In total: 0.29 year(s)* of elapsed time.

90.4
The stations, on average, have been monitoring for 90.4% of the total time in 2023.
Stations with missing data have been excluded from this calculation.

Worst Stations in 2023

1

130 Spills | 914.7 hours
Brixton Storm Relief Sewer

2

44 Spills | 420.9 hours
Sloane Street A

3

32 Spills | 394.4 hours
Sw Storm Relief Sewer

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

Summary for Year 2022

349 Spills | 1179.5 hours

In 2022, sewage was discharged in, or near (~3mi.), City of Westminster 349 time(s).
Sewage was discharged for a total of 1179.5 hour(s).
In total: 0.13 year(s)* of elapsed time.

87.1
The stations, on average, have been monitoring for 87.1% of the total time in 2022.
Stations with missing data have been excluded from this calculation.

Worst Stations in 2022

1

68 Spills | 487.5 hours
Brixton Storm Relief Sewer

2

11 Spills | 85.5 hours
Horseferry Road CSO
Permit#: 10563

3

14 Spills | 82.4 hours
Sloane Street A

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

Summary for Year 2021

655 Spills | 1786.8 hours

In 2021, sewage was discharged in, or near (~3mi.), City of Westminster 655 time(s).
Sewage was discharged for a total of 1786.8 hour(s).
In total: 0.2 year(s)* of elapsed time.

96.2
The stations, on average, have been monitoring for 96.2% of the total time in 2021.
Stations with missing data have been excluded from this calculation.

Worst Stations in 2021

1

105 Spills | 455.3 hours
Brixton Storm Relief Sewer

2

54 Spills | 243.2 hours
Sloane Street A

3

45 Spills | 211.2 hours
Heath Wall 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.

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