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:

Public water supplies

The report covers England and Wales and summarises the testing and results of water quality tests, events and technical audit activity.


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:

Prosecution and Cautions



Page reviewed: 16 April 2019
Page modified: 16 April 2019

Drinking Water Inspectorate