Drinking water 2017

A report by the Chief Inspector of drinking water

This report is in PDF format. The Adobe® Acrobat Reader® can be freely downloaded here.

The Drinking Water Inspectorate annual report Drinking water 2017 provides an overview of the quality of public and private water supplies in England and Wales. It comprises of the following:

Chief Inspector's Letter to Ministers (for England and Wales)

The letters from the Chief Inspector to the Ministers in England and in Wales contain a high level overview of findings for the year.

Letter to Minister - England (PDF 116KB)
Letter to Minister - Wales (PDF 116KB)

Annual Summary reports

Summary of the Chief Inspector’s report for drinking water in England (PDF 1.27MB)
Summary of the Chief Inspector’s report for drinking water in Wales (PDF 1.35MB)

Quarterly reports published during 2016/17

Quarter 1: January - March 2017 (PDF 576KB)
Quarter 2: April - June 2017 (PDF 640KB)
Quarter 3: July - September 2017 (PDF 581KB)
Quarter 4:
Summary of the Chief Inspector’s report for drinking water in England (PDF 1.27MB)
Summary of the Chief Inspector’s report for drinking water in Wales (PDF 1.35MB)

CRI and ERI

Compliance Risk Index and provisional Event Risk Index figures for 2017 (PDF 107KB)

 

Private water supplies

Presented as separate reports for England and Wales and publishing numbers and types of supplies, a summary of monitoring results and case studies.

England (PDF 2.17MB)
Wales (PDF 2.14MB)

Drinking water quality events in 2017

Full summary of events showing company actions and DWI findings

Company data

Company name Sample Results Company statistics and company performance data

Affinity Water

Download (PDF137KB)

Download (PDF21KB)

Albion Water

Download (PDF95KB)

Download (PDF21KB)

Albion Eco

Download (PDF110KB)

Download (PDF21KB)

Anglian Water

Download (PDF 120KB)

Download (PDF22KB)

Bournemouth Water

Download (PDF122KB)

Download (PDF22KB)

Bristol Water

Download (PDF98KB)

Download (PDF21KB)

Cambridge Water

Download (PDF139KB)

Download (PDF21KB)

Cholderton and District Water

Download (PDF98KB)

Download (PDF21KB)

Dee Valley Water

Download (PDF88KB)

Download (PDF21KB)

Dŵr Cymru Welsh Water

Download (PDF131KB)

Download (PDF34KB)

Essex and Suffolk Water

Download (PDF103KB)

Download (PDF21KB)

Icosa Water

Download (PDF111KB)

Download (PDF21KB)

Independent Water Networks

Download (PDF101KB)

Download (PDF22KB)

Leep Water Utilities

Download (PDF79KB)

Download (PDF82KB)

Northumbrian Water

Download (PDF189KB)

Download (PDF21KB)

Leep Water Utilities

Download (PDF95KB)

Download (PDF22KB)

Portsmouth Water

Download (PDF113KB)

Download (PDF21KB)

Severn Trent Water

Download (PDF124KB)

Download (PDF22KB)

South East Water

Download (PDF138KB)

Download (PDF22KB)

South Staffordshire Water

Download (PDF69KB)

Download (PDF22KB)

South West Water

Download (PDF110KB)

Download (PDF22KB)

Southern Water

Download (PDF140KB)

Download (PDF22KB)

SSE Water

Download (PDF109KB)

Download (PDF23KB)

SES Water

Download (PDF118KB)

Download (PDF22KB)

Thames Water

Download (PDF123KB)

Download (PDF23 KB)

United Utilities

Download (PDF 70KB)

Download (PDF22KB)

Veolia Water Projects

Download (PDF75KB)

Download (PDF22KB)

Wessex Water

Download (PDF80KB)

Download (PDF22KB)

Yorkshire Water

Download (PDF123KB)

Download (PDF22KB)


Prosecution and Cautions

 

 

Page reviewed: 9 August 2018
Page modified: 9 August 2018

Drinking Water Inspectorate