Top of the Poops | Constituency - 2025 Data| Cities of London and Westminster

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You're looking at the totals that we have calculated for sewage in Cities of London and Westminster for 2025. It is an estimate, based on very poor quality live data from the Water Companies. This may not align with the 'official' reported sewage values from the water companies, which is reported in April following then end of the year - so 2025 numbers are reported in April 2026.

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Constituencies near Cities of London and Westminster

Company	Site Name	Receiving Waterway	Overflow Days	Total Duration (hours)	Total Duration (days)
Thames Water	Savoy street	River Thames	56	990 h 42m	41.25
Thames Water	Pauls pier	Tidal Thames	17	60 h 8m	2.5
Thames Water	Western (Pimlico) SPS	River Thames	8	31 h 45m	1.29
Thames Water	Low level XX, grosvenor ditch, millb	Tidal Thames	12	24 h 28m	1
Thames Water	Beer lane	River Thames	20	7 h 52m	0.29
Thames Water	Low level XX, grosvenor ditch, millb	Tidal Thames	3	6 h 20m	0.25
Thames Water	Wood street	River Thames	4	4 h 34m	0.17
Thames Water	Kings scholars pond	River Thames	5	4 h 20m	0.17
Thames Water	Horseferry road	River Thames	4	3 h 36m	0.12
Thames Water	London bridge	Tidal Thames	6	3 h 18m	0.12
Thames Water	Fleet main line sewer A	River Thames	1	2 h 44m	0.08
Thames Water	Northumberland street	River Thames	1	1 h 28m	0.04
Thames Water	Temple place essex street	Tidal Thames	1	0 h 40m	0
Thames Water	Norfolk street	River Thames	1	0 h 16m	0
Thames Water	Goswell street	River Thames	1	0 h 6m	0
Thames Water	Unknown	Unknown	0	0 h	0
Thames Water	Beer lane	River Thames	0	0 h	0
Thames Water	Kings scholars pond	River Thames	0	0 h	0
Thames Water	Goswell street	River Thames	0	0 h	0
Thames Water	Horseferry road	River Thames	0	0 h	0
Thames Water	Norfolk street	River Thames	0	0 h	0
Thames Water	Unknown	Unknown	0	0 h	0
Thames Water	Wood street	River Thames	0	0 h	0
Thames Water	London bridge	Tidal Thames	0	0 h	0
Thames Water	Western (Pimlico) SPS	River Thames	0	0 h	0
Thames Water	Temple place essex street	Tidal Thames	0	0 h	0
Thames Water	Northumberland street	River Thames	0	0 h	0
Thames Water	Regent street	River Thames	0	0 h	0
Thames Water	Pauls pier	Tidal Thames	0	0 h	0
Thames Water	Fleet main line sewer A	River Thames	0	0 h	0

Company

Site Name

Receiving Waterway

Overflow Days

Total Duration (hours)

Total Duration (days)

Thames Water

Savoy street

River Thames

990 h 42m

41.25

Thames Water

Pauls pier

Tidal Thames

60 h 8m

2.5

Thames Water

Western (Pimlico) SPS

River Thames

31 h 45m

1.29

Thames Water

Low level XX, grosvenor ditch, millb

Tidal Thames

24 h 28m

Thames Water

Beer lane

River Thames

7 h 52m

0.29

Thames Water

Low level XX, grosvenor ditch, millb

Tidal Thames

6 h 20m

0.25

Thames Water

Wood street

River Thames

4 h 34m

0.17

Thames Water

Kings scholars pond

River Thames

4 h 20m

0.17

Thames Water

Horseferry road

River Thames

3 h 36m

0.12

Thames Water

London bridge

Tidal Thames

3 h 18m

0.12

Thames Water

Fleet main line sewer A

River Thames

2 h 44m

0.08

Thames Water

Northumberland street

River Thames

1 h 28m

0.04

Thames Water

Temple place essex street

Tidal Thames

0 h 40m

Thames Water

Norfolk street

River Thames

0 h 16m

Thames Water

Goswell street

River Thames

0 h 6m

Thames Water

Unknown

0 h

Thames Water

Beer lane

River Thames

0 h

Thames Water

Kings scholars pond

River Thames

0 h

Thames Water

Goswell street

River Thames

0 h

Thames Water

Horseferry road

River Thames

0 h

Thames Water

Norfolk street

River Thames

0 h

Thames Water

Unknown

0 h

Thames Water

Wood street

River Thames

0 h

Thames Water

London bridge

Tidal Thames

0 h

Thames Water

Western (Pimlico) SPS

River Thames

0 h

Thames Water

Temple place essex street

Tidal Thames

0 h

Thames Water

Northumberland street

River Thames

0 h

Thames Water

Regent street

River Thames

0 h

Thames Water

Pauls pier

Tidal Thames

0 h

Thames Water

Fleet main line sewer A

River Thames

0 h

Cities of London and Westminster - 2025 Sewage

Polluted by sewage 1,142 hours in 2025

Cities of London and Westminster - 2025 Sewage

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Constituencies near Cities of London and Westminster

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Cities of London and Westminster - 2025 Sewage Polluted by sewage 1,142 hours in 2025

Cities of London and Westminster - 2025 Sewage

Which Year?

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View Annual Sewage Data

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Constituencies near Cities of London and Westminster

Daily Data

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Totals so far

Data Sources & Accuracy

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Please Support Us

Cities of London and Westminster - 2025 Sewage

Polluted by sewage 1,142 hours in 2025