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?

19 February 2014

Information Letter 02/2014 - Regulation 28 reporting requirements (PDF 110KB)

13 February 2014

Information Letter 01/2014 - Metaldehyde and other pesticides (PDF 134KB)

27 January 2014

Three new inspector posts are advertised on our jobs page. Closing date is 14th March 2014.

20 January 2014

Press release - Severn Trent Ltd plead guilty to supplying water unfit for human consumption

22 November 2013

Information Letter 06/2013 - New European requirements for monitoring for radioactivity in drinking water supplies (PDF 75KB)

6 November 2013

Information Letter 05/2013 - Drinking water analysis and the regulatory requirements (PDF 95KB)



Page last modified: 19 February 2014
Page reviewed: 19 February 2014

Drinking Water Inspectorate