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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 2006
The DWI 17th Annual Report

Published 26th June 2007

Whats New

 

28 December 2007 Information letter 10/2007 Updated guidance on the notification of events
03 December 2007 Information letter 9/2007 The Water Supply (Water Quality) Regulations 2000 (Amendment) Regulations 2007 - Changes to water company data tables
30 November 2007 Information letter 8/2007 Guidance on interpretation of Regulation 16(2)(d)(i) of the Water Supply (Water Quality) Regulations 2000 (2001 in Wales)

Consumer Information - About DWI

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Drinking Water Inspectorate

55 Whitehall, London, SW1A 2EY
Telephone : 020 7270 3370

Department for Environment,
Food & Rural Affairs (DEFRA)

The National Assembly for Wales /
Cynulliad Cenedlaethol Cymru

Website last updated
02 January 2008

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DWI strives to ensure that the information on this website is set out in an accessible and understandable manner.
We welcome any comments about our website, including suggestions for additional topics that might be useful to our customers.