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The first three yearly report on the quality of drinking water supplies in Wales.

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First published:
24 January 2022
Last updated:


Drinking Water Quality in Wales: A Triennial Report 2017-2019

  • This Report shows that public supplies of tap water delivered to homes in Wales is consistently safe and wholesome to drink. 
  • 99.95% of the many thousands of samples taken each year meet with the regulatory standards.