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The Drinking Water Inspectorate (DWI) regulates public water supplies in England and Wales.

DWI is responsible for assessing the quality of drinking water in England and Wales, taking enforcement action if standards are not being met, and appropriate action when water is unfit for human consumption.

Drinking Water 2008
The DWI 19th Annual Report

Published 2 July 2009


Whats New

4 February 2010 Advert for EPSRC Engineering Doctorate in Sustainability for Engineering and Energy Systems. Closing date 16th February 2010.
4 January 2010 The DWI's response to the consultation on the Cave Review of competition and innovation in water markets (PDF 206KB)
18 November 2009 Revision of Information Letter 05/2009 on Taste and Odour. (Version 2 - PDF 164KB)

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Drinking Water Inspectorate

55 Whitehall, London, SW1A 2EY
Telephone : 0300 068 6400
dwi.enquiries@defra.gsi.gov.uk


Department for Environment,
Food & Rural Affairs (DEFRA)

Llywodraeth Cynulliad Cymru/ Welsh Assembly Government


Website last updated
2 February 2010

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