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?

2 August 2016

Guidance on the Water Supply (Water Quality) Regulation 2016 published

2 August 2016

Updated guidance on the use of ultraviolet (UV) irradiation for the disinfection of public water supplies published

2 August 2016

Discover water logo

‘Discover Water’ website launched - A website designed to provide basic information covering health, environmental, social and financial issues around water has been launched at http://www.discoverwater.co.uk/  The development of the site has been led and funded by the water industry but delivered by an independent third party and provides reliable information for the public.

14 July 2016

Drinking water 2015 published

Drinking water 2016: Quarter 1 – January - March 2016 published

Business performance report published

11 July 2016

Managing metaldehyde in England: A Catchment Approach - A Joint Statement from the Drinking Water Inspectorate, Environment Agency and Defra


Page last modified: 2 August 2016
Page reviewed: 2 August 2016

Drinking Water Inspectorate