Research and analysis

Drinking water quality in England, 2017 to 2019

Report on the quality of all individual supplies of drinking water that exceed 1,000 cubic meters a day or serve more than 5,000 people in England.

Applies to England

Documents

Drinking water quality in England: a triennial report 2017 to 2019

Request an accessible format.
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email defra.helpline@defra.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Details

This report is published every 3 years and demonstrates the high quality of drinking water in England.

Around 99% of the population receive a public supply from a water company. During 2017 to 2019, public water supply compliance with the drinking water regulations was 99.95%.

The remaining 1% of the population have a private water supply which is often taken from a well, spring or borehole on private land. During 2017 to 2019, private water supply compliance with the drinking water regulations for the largest 11 supplies was 97.60%.

Find out more on the Drinking Water Inspectorate’s website.

Updates to this page

Published 16 December 2021

Sign up for emails or print this page