Drinking Water 2023
A report by the Chief Inspector of drinking water
The Drinking Water Inspectorate annual report Drinking Water 2023 provides an overview of the quality of public and private water supplies in England and Wales.
Public Water Supplies
Annual Summary Reports
The reports cover England and Wales and summarise the testing and results of water quality tests, events and technical audit activity.
Quarterly Reports Published
Quarter 1
Quarter 2
Quarter 3
Presentation Recordings
Presentation Slides
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.
For further information on quality of private water supplies, please see WRc reports.
Company and Performance Data
Company name | Sample results | Company statistics and company performance data |
|---|---|---|
Affinity Water | ||
Albion Water | ||
Albion Eco | ||
Anglian Water | ||
Bristol Water | ||
Cambridge Water | ||
Dŵr Cymru Welsh Water | ||
ESP Water | ||
Hafren Dyfrdwy | ||
Icosa Water | ||
Independent Water Networks | ||
Isles of Scilly | ||
Leep Networks Water | ||
Northumbrian, Essex and Suffolk Water | ||
Portsmouth Water | ||
SES Water | ||
Severn Trent Water | ||
South East Water | ||
Southern Water | ||
South Staffordshire Water | ||
South West and Bournemouth Water | ||
Thames Water | ||
United Utilities | ||
Veolia Water Projects | ||
Wessex Water | ||
Yorkshire Water |