Water supply and sanitation in London

Water supply and sanitation in London is provided by private companies.[1] The regional water strategy for London is produced by the Greater London Authority.[2] Much of the water supply and sewerage system was constructed during the Victorian era (1837-1901), in light of repeated cholera outbreaks.[3][4] Greater London is located within the Thames River Basin District.[5]

Water supply

Water supply by population

  Thames (76%)
  Affinity (14%)
  Essex and Suffolk (7%)
  SES Water (4%)

London has well developed water supply infrastructure. Most drinking water consumed in London comes from the River Thames and the River Lee. Approximately 70% of all water supplied to London is taken from the Thames upstream of Teddington Weir.[6]

Greater London is currently supplied by four companies: Thames Water (76% of population), Affinity Water (14%), Essex and Suffolk Water (7%) and SES Water (4%).[7]

Sewerage

All of Greater London is within the Thames River Basin District.[8] The London sewerage system is operated by Thames Water and serves almost all of London, except for a small area where Anglian Water provides sewerage services.

References
  1. "Water sector overview - Ofwat". Ofwat. Retrieved 2018-09-03.
  2. Nickson, Alex (2011). "Securing London's water future" (PDF). www.london.gov.uk. Greater London Authority. Retrieved 3 September 2018.
  3. "History of the UK's sewers | Water UK". www.water.org.uk. Retrieved 2018-09-03.
  4. Cook, G. C. (2001-12-01). "Construction of London's Victorian sewers: the vital role of Joseph Bazalgette". Postgraduate Medical Journal. 77 (914): 802–802. doi:10.1136/pgmj.77.914.802. ISSN 0032-5473. PMC 1742196. PMID 11723335.
  5. River habitats in Thames River Basin District: Current state and character (PDF). Almondsbury, Bristol: Environment Agency. 2010. p. 11.
  6. http://www.london.gov.uk/sites/default/files/water-strategy-oct11.pdf
  7. https://www.london.gov.uk/sites/default/files/london_strategic_infrastructure_requirements_2017_1.pdf
  8. "Thames River Basin District" (PDF). Environment Agency. 2011. Retrieved 3 September 2018.
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