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Sewage treatment

Untreated sewage discharges can have a significant impact on the environment. The collection and treatment of sewage, and appropriate disposal of the sewage sludge generated as a by-product of sewage treatment, are key contributors to our success in helping to maintain and improve the quality of coastal waters, lakes and rivers running through our cities, towns, villages and countryside.

There are several European Union Directives that influence sewage treatment levels, including in particular the Urban Waste Water Treatment Directive (91/271/EEC).

A detailed description of sewage treatment in the UK is available in our publication, "Sewage Treatment in the UK: UK Implementation of the EC Urban Waste Water Treatment Directive".

See also "Sewage Treatment in the UK: Sensitive Areas" for background to the designation of Sensitive Areas (Eutrophic, Nitrate and Bathing Waters) for the purposes of the Urban Waste Water Treatment Directive, regional maps of all such areas, and detailed maps of Sensitive Areas (Bathing Waters).

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Page last modified: 27 January 2009
Page published: 6 December 2006