Drinking water 2018

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 2018 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 124KB)

Public water supplies

Annual Summary reports

Summary of the Chief Inspector’s report for drinking water in England (PDF 2.41MB)
Summary of the Chief Inspector’s report for drinking water in Wales (PDF 2.09MB)

Quarterly reports published

Quarter 1: January - March 2018 (PDF 1.01MB)
Quarter 2: April - June 2018 (PDF 790KB)
Quarter 3: July - September 2018 (PDF 1.16MB)
Quarter 4: See full summary reports above

CRI and ERI

Compliance Risk Index and provisional Event Risk Index figures for 2018 (PDF 221KB)

 

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 2.54MB)
Wales (PDF 2.48MB)

Drinking water quality events in 2018

Company data

Company name Sample Results Company statistics and company performance data

Affinity Water

Download (PDF 38KB)

Download (PDF 22KB)

Albion Water

Download (PDF 42KB)

Download (PDF 20KB)

Albion Eco

Download (PDF 34KB)

Download (PDF 20KB)

Anglian Water

Download (PDF 51KB)

Download (PDF 20KB)

Bournemouth Water

Download (PDF 42KB)

Download (PDF 20KB)

Bristol Water

Download (PDF 50KB)

Download (PDF 20KB)

Cambridge Water

Download (PDF 68KB)

Download (PDF 20KB)

Cholderton and District Water

Download (PDF 59KB)

Download (PDF 57KB)

Dee Valley Water

Download (PDF 48KB)

Download (PDF 200KB)

Dŵr Cymru Welsh Water

Download (PDF 56KB)

Download (PDF 54KB)

Essex and Suffolk Water

Download (PDF 49KB)

Download (PDF 20KB)

Hafren Dyfrdwy

Download (PDF 88KB)

Download (PDF 20KB)

Icosa Water

Download (PDF 41KB)

Download (PDF 20KB)

Independent Water Networks

Download (PDF 36KB)

Download (PDF 20KB)

Leep Water Utilities

Download (PDF 39KB)

Download (PDF 20KB)

Northumbrian Water

Download (PDF 48KB)

Download (PDF 20KB)

Portsmouth Water

Download (PDF 42KB)

Download (PDF 20KB)

Severn Trent Water

Download (PDF 53KB)

Download (PDF 20KB)

South East Water

Download (PDF 46KB)

Download (PDF 20KB)

South Staffordshire Water

Download (PDF 45KB)

Download (PDF 20KB)

South West Water

Download (PDF 44KB)

Download (PDF 20KB)

Southern Water

Download (PDF 49KB)

Download (PDF 20KB)

SSE Water

Download (PDF38KB)

Download (PDF 20KB)

SES Water

Download (PDF 44KB)

Download (PDF 20KB)

Thames Water

Download (PDF 58KB)

Download (PDF 20KB)

United Utilities

Download (PDF 45KB)

Download (PDF 20KB)

Veolia Water Projects

Download (PDF 40KB)

Download (PDF 20KB)

Wessex Water

Download (PDF 44KB)

Download (PDF 20KB)

Yorkshire Water

Download (PDF 49KB)

Download (PDF 20KB)



Prosecution and Cautions

 

 

Page reviewed: 11 July 2019
Page modified: 12 August 2019

Drinking Water Inspectorate