Regulations & Guidance


All activities related to private water supplies are governed by a set of primary and secondary legislation

Guidance Documents

A number of guidance documents are available in order to assist local authorities in conducting their statutory duties and to provide information to users of a private water supply.


All sampling, transport and analysis of drinking water, supplied under the Regulations, should be UKAS accredited under ISO/IEC 17025 to the Drinking Water Testing specification (DWTS).

Annual Report for private water supplies

The Chief Inspector for Drinking Water publishes an annual report on the quality of private water supplies at a national level. These annual reports cover the period from 2010 to 2016

Hot Topics

Useful links and new information concerning private water supplies


A full list of terms, abbreviations and key words used in the regulation of private water supplies.


Page reviewed: 13July 2017
Page modified: 13 July 2017

Drinking Water Inspectorate