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?

21 June 2016

Information Letter 04/2016 - New drinking water quality legislation (2016)

21 June 2016

Publication of Private Water Supplies (England) Regulations 2016 and Guidance notes.

25 April 2016

Water companies are invited to comment on the draft revised Guidance on the implementation of the Water Supply (Water Quality) Regulations (Guidance for England (PDF 793KB) and Wales (PDF 783KB))

The consultation closes on 3 June 2016. Please email responses to the consultation to DWI.Enquiries@defra.gsi.gov.uk

9 March 2016

Information Letter 02/2016 - Legislative changes relating to the DWI cost recovery scheme.


Page last modified: 21 June 2016
Page reviewed: 21 June 2016

Drinking Water Inspectorate