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.
29 January 2018
New Welsh Information Notes to align with the Private Water Supply (Welsh) Regulations 2017
21 December 2017
Information Letter 04/2017(PDF 63KB) on the Regulatory sampling programme
5 December 2017
Drinking Water Inspectorate publishes press release and assessment report into Copeland event
The Drinking Water Inspectorate has today published the assessment report (PDF 28.19MB) of the Copeland event in June 2017 caused by the changing nature of the drinking water supply to approximately 67,000 consumers in Whitehaven, Workington, Seascale and the surrounding area. A Press Release (PDF 101KB) has also been issued.
25 October 2017
Drinking Water Inspectorate publishes investigation report into Franklaw event
The Drinking Water Inspectorate has today published the full investigation report (PDF 1.71MB) into the event in August-September 2015 when over 700,000 consumers in parts of Lancashire were required to boil their water due to the detection of Cryptosporidium in drinking water supplies
Page last modified: 29 January 2018
Page reviewed: 29 January 2018