Welcome to DWI

The Drinking Water Inspectorate (DWI) was formed in 1990 to provide independent reassurance that water supplies in England and Wales are safe and drinking water quality is acceptable to consumers.


What's new?

27 February 2015

Information Letter 01/2015 - Regulation 28 reporting requirements

16 December 2014

Information Letter 05/2014 - List of approved products for use in public water supplies in the United Kingdom

10 December 2014

Information Letter 04/2014 - Cryptosporidium monitoring in water supplies

30 September 2014

Catchment management Undertakings for pesticides, including metaldehyde - Progress reporting requirements

6 August 2014

Private water supplies conference - Learning about best practice in action
Royal Society for Public Health, London, 25 September 2014


Page last modified: 27 February 2015
Page reviewed: 27 February 2015

Drinking Water Inspectorate