A report by the Chief Inspector of drinking water

The Drinking Water Inspectorate annual report Drinking Water 2024 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.

Letter to Minister – Wales

Presentation Recordings

Presentation Slides


Quarterly Reports

Quarter 1 2024

Quarter 1


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.

Letter to Minister – Wales