Southern Outfall Sewer
Encyclopedia
The Southern Outfall Sewer is a major sewer
taking sewage
from the southern area of central London
to Crossness
in south-east London. Flows from three interceptory sewers combine at Deptford
and then run under Greenwich
, Woolwich
, Plumstead
and across Erith
marshes. The Outfall Sewer was designed by Joseph Bazalgette
after an outbreak of cholera in 1853 and "The Big Stink
" of 1858.
Until this time, central London's drains were built primarily to cope with rain water, and the growing use of flush toilet
s frequently meant these became overloaded, flushing mud, shingle, sewage and industrial effluent into the River Thames
. Bazalgette's London sewerage system
project included the construction of intercepting sewers north and south of the Thames; the Northern Outfall Sewer
diverts flows away from the Thames north of the river.
South of the river, three major interceptor sewers were constructed:
The covered sewer forms the southern boundary of Thamesmead
and has been landscaped as an elevated footpath called the Ridgeway (similar to The Greenway built over the Northern Outfall Sewer
).
Sanitary sewer
A sanitary sewer is a separate underground carriage system specifically for transporting sewage from houses and commercial buildings to treatment or disposal. Sanitary sewers serving industrial areas also carry industrial wastewater...
taking sewage
Sewage
Sewage is water-carried waste, in solution or suspension, that is intended to be removed from a community. Also known as wastewater, it is more than 99% water and is characterized by volume or rate of flow, physical condition, chemical constituents and the bacteriological organisms that it contains...
from the southern area of central London
Central London
Central London is the innermost part of London, England. There is no official or commonly accepted definition of its area, but its characteristics are understood to include a high density built environment, high land values, an elevated daytime population and a concentration of regionally,...
to Crossness
Crossness
Crossness is a place in south-east London. It is situated in the London Borough of Bexley, close to the southern bank of the River Thames, to the east of Thamesmead, west of Belvedere and north-west of Erith. The place takes its name from Cross Ness, a specific promontory on the southern bank of...
in south-east London. Flows from three interceptory sewers combine at Deptford
Deptford
Deptford is a district of south London, England, located on the south bank of the River Thames. It is named after a ford of the River Ravensbourne, and from the mid 16th century to the late 19th was home to Deptford Dockyard, the first of the Royal Navy Dockyards.Deptford and the docks are...
and then run under Greenwich
Greenwich
Greenwich is a district of south London, England, located in the London Borough of Greenwich.Greenwich is best known for its maritime history and for giving its name to the Greenwich Meridian and Greenwich Mean Time...
, Woolwich
Woolwich
Woolwich is a district in south London, England, located in the London Borough of Greenwich. The area is identified in the London Plan as one of 35 major centres in Greater London.Woolwich formed part of Kent until 1889 when the County of London was created...
, Plumstead
Plumstead
Plumstead is a district of south London, England, located in the London Borough of Greenwich. Plumstead is a multi cultural area with large Asian and Afro-Caribbean communities, in similarity to local areas such as Woolwich and Thamesmead...
and across Erith
Erith
Erith is a district of southeast London on the River Thames. Erith's town centre has undergone a series of modernisations since 1961.-Pre-medieval:...
marshes. The Outfall Sewer was designed by Joseph Bazalgette
Joseph Bazalgette
Sir Joseph William Bazalgette, CB was an English civil engineer of the 19th century. As chief engineer of London's Metropolitan Board of Works his major achievement was the creation of a sewer network for central London which was instrumental in relieving the city from cholera epidemics, while...
after an outbreak of cholera in 1853 and "The Big Stink
The Great Stink
The Great Stink, or the Big Stink, was a time in the summer of 1858 during which the smell of untreated human waste was very strong in central London.-Water supply and sanitation prior to the Great Stink:...
" of 1858.
Until this time, central London's drains were built primarily to cope with rain water, and the growing use of flush toilet
Flush toilet
A flush toilet is a toilet that disposes of human waste by using water to flush it through a drainpipe to another location. Flushing mechanisms are found more often on western toilets , but many squat toilets also are made for automated flushing...
s frequently meant these became overloaded, flushing mud, shingle, sewage and industrial effluent into the River Thames
River Thames
The River Thames flows through southern England. It is the longest river entirely in England and the second longest in the United Kingdom. While it is best known because its lower reaches flow through central London, the river flows alongside several other towns and cities, including Oxford,...
. Bazalgette's London sewerage system
London sewerage system
The London sewerage system is part of the water infrastructure serving London. The modern system was developed during the late 19th century, and as London has grown the system has been expanded.-History:...
project included the construction of intercepting sewers north and south of the Thames; the Northern Outfall Sewer
Northern Outfall Sewer
The Northern Outfall Sewer is a major gravity sewer which runs from Wick Lane in Hackney to Beckton Sewage Works in east London ; most of it was designed by Joseph Bazalgette after an outbreak of cholera in 1853 and "The Big Stink" of 1858.Prior to this work, central London's drains were built...
diverts flows away from the Thames north of the river.
South of the river, three major interceptor sewers were constructed:
- The high-level sewer starts at Herne HillHerne HillHerne Hill is located in the London Borough of Lambeth and the London Borough of Southwark in Greater London. There is a road of the same name which continues the A215 north of Norwood Road and was called Herne Hill Road.-History:...
, and heads eastward under PeckhamPeckhamPeckham is a district in south London, England, located in the London Borough of Southwark. It is situated south-east of Charing Cross. The area is identified in the London Plan as one of 35 major centres in Greater London...
and New CrossNew CrossNew Cross is a district and ward of the London Borough of Lewisham, England. It is situated 4 miles south-east of Charing Cross. The ward covered by London post town and the SE 14 postcode district. New Cross is near St Johns, Telegraph Hill, Nunhead, Peckham, Brockley, Deptford and Greenwich...
to a pumping station at Deptford. - The middle-level sewer starts on BalhamBalhamBalham is a district of London, EnglandBalham can also refer to:*Balham, Ardennes, a commune in France*Balham station, railway and tube station in Balham, London*Balaam, a Biblical figure...
Hill and runs under ClaphamClaphamClapham is a district in south London, England, within the London Borough of Lambeth.Clapham covers the postcodes of SW4 and parts of SW9, SW8 and SW12. Clapham Common is shared with the London Borough of Wandsworth, although Lambeth has responsibility for running the common as a whole. According...
High Street, under StockwellStockwellStockwell is a district in inner south west London, England, located in the London Borough of Lambeth.It is situated south south-east of Charing Cross. Brixton, Clapham, Vauxhall and Kennington all border Stockwell...
and BrixtonBrixtonBrixton is a district in the London Borough of Lambeth in south London, England. It is south south-east of Charing Cross. The area is identified in the London Plan as one of 35 major centres in Greater London....
, through CamberwellCamberwellCamberwell is a district of south London, England, and forms part of the London Borough of Southwark. It is a built-up inner city district located southeast of Charing Cross. To the west it has a boundary with the London Borough of Lambeth.-Toponymy:...
to Deptford. - The low-level sewer begins in PutneyPutneyPutney is a district in south-west London, England, located in the London Borough of Wandsworth. It is situated south-west of Charing Cross. The area is identified in the London Plan as one of 35 major centres in Greater London....
and runs through BatterseaBatterseaBattersea is an area of the London Borough of Wandsworth, England. It is an inner-city district of South London, situated on the south side of the River Thames, 2.9 miles south-west of Charing Cross. Battersea spans from Fairfield in the west to Queenstown in the east...
, VauxhallVauxhall-Demography:Many Vauxhall residents live in social housing. There are several gentrified areas, and areas of terraced townhouses on streets such as Fentiman Road and Heyford Avenue have higher property values in the private market, however by far the most common type of housing stock within...
, and under the Old Kent Road and BermondseyBermondseyBermondsey is an area in London on the south bank of the river Thames, and is part of the London Borough of Southwark. To the west lies Southwark, to the east Rotherhithe, and to the south, Walworth and Peckham.-Toponomy:...
to Deptford.
The covered sewer forms the southern boundary of Thamesmead
Thamesmead
Thamesmead is a district of south-east London, England, located in the London Boroughs of Greenwich and Bexley. It is situated east of Charing Cross....
and has been landscaped as an elevated footpath called the Ridgeway (similar to The Greenway built over the Northern Outfall Sewer
Northern Outfall Sewer
The Northern Outfall Sewer is a major gravity sewer which runs from Wick Lane in Hackney to Beckton Sewage Works in east London ; most of it was designed by Joseph Bazalgette after an outbreak of cholera in 1853 and "The Big Stink" of 1858.Prior to this work, central London's drains were built...
).