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?

12 October 2015

Information Letter 05/2015 - Publication of research: Understanding the implications of the European requirements relating to radon in drinking water

8 October 2015

Information Letter 04/2015 - Publication of a research report on the significance of chromium in drinking water

22 July 2015

New Chief Inspector of Drinking Water announced.

9 July 2015

Drinking water 2014 published.



Page last modified: 16 November 2015
Page reviewed: 16 November 2015

Drinking Water Inspectorate