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 September 2017

The Drinking Water Inspectorate is advertising for 3 new Inspector posts. Closing date 20th October 2017.

12 September 2017

Defra have published it's consultation on Water quality: updating the public and private drinking water regulations for England. Closing date for comments is 24 October 2017

12 September 2017

Information Letter 03/2017 (PDF 119K) - Update to guidance documents including a guidance note on long term planning for drinking water quality (PDF 202KB)

25 August 2017

Southern Water Services Ltd fined for drinking water offences- see DWI Press Release (PDF 142KB)

21 August 2017

Updates to Guidance notes on Water Supply (Water Quality) Regulations. The updates arise from various advice and guidance provided previously in Information Letters.

17 August 2017

New date announced for United Utillites sentence hearing on Franklaw drinking water event

14 August 2017

Southern Water Services Ltd plead guilty to the supply of water unfit for human consumption - see DWI Press Release (PDF 99KB)



Page last modified: 21 September 2017
Page reviewed: 21 September 2017

Drinking Water Inspectorate