questionText: 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.
answerText: 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...
heading: Per- and Polyfluorinated Alkyl Substances: Drinking Water