A report by the Chief Inspector of drinking water

The Drinking Water Inspectorate annual report ‘Drinking water 2011’ 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.

Public water supplies – regional reports

The regional reports cover four regions of England and additionally Wales and summarise the testing and results of water quality tests, events and technical audit activity in the region.

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.



Company data look up tables

Significant drinking water quality events in 2011 (PDF 732KB)

Prosecution and Cautions

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