To ask the Secretary of State for Environment, Food and Rural Affairs, what recent steps he has taken to monitor levels of perfluoroalkyl substances in tap water.
The Drinking Water Inspectorate (DWI) has provided guidance on PFAS to water companies since 2007. In 2021 a guideline value of 0.1 micrograms per litre (µg/L) was adopted for drinking water which, since August 2024 when DWI’s guidance was updated. Compan...
Per- and Polyfluorinated Alkyl Substances: Drinking Water