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?

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

10 July 2014

Drinking water 2013 published today.

30 June 2014

New Private Water Supply section to the DWI website

13 June 2014

DWI letter to Ofwat concerning Outcome Delivery Incentives and Drinking Water Quality Obligations to help clarify the relationship between ODI targets and quality obligations. (PDF 47KB)

2 May 2014

Information Letter 03/2014 Drinking Water Quality Improvement Programmes - changes to progress reporting requirements (PDF 111KB)

19 February 2014

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


Page last modified: 30 September 2014
Page reviewed: 30 September 2014

Drinking Water Inspectorate