Annual report

The Chief Inspector’s Report

This report looks at drinking water quality at a national level from the perspective of the Chief Inspector of the Drinking Water Inspectorate.  It is published each year around the end of June/ beginning of July and covers the previous calendar year.

There is a report for five regions in England and Wales and covers water quality testing and results, public confidence in drinking water, events and technical audit activity. It also contains a summary of all results of the water companies regulatory sampling programme and a list of all the cautions and prosecutions carried out by DWI.

All reports from 2001 can be found by clicking on the links below.

These documents are in PDF format. The Adobe® Acrobat Reader® can be freely downloaded here.

2016
2015
2014

2013

2012

2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001

Method for calculating mean zonal compliance figures

 

Page reviewed: 14 July 2016
Page modified: 14 July 2016

Drinking Water Inspectorate