questionText: To ask the Secretary of State for Environment, Food and Rural Affairs, what steps his Department is taking to ensure that concentrations of per- and polyfluoroalkyl substances are within the guideline levels set by the Drinking Water Inspectorate.
answerText: The Drinking Water Inspectorate’s (DWI) current guideline limit on individual types of per- and polyfluoroalkyl substances (PFAS) of 100 nanograms per litre for treated drinking water was set in 2021 based on an assessment of existing scientific knowledge...
heading: Per- and Polyfluorinated Alkyl Substances