Written Question·Department for Environment, Food and Rural Affairs·UIN 68301
Drinking Water: Per- and Polyfluorinated Alkyl Substances
Tabled: 15 July 2025
Answered: 22 July 2025
Question
Helen Maguire
Liberal Democrat — Epsom and Ewell
To ask the Secretary of State for Environment, Food and Rural Affairs, whether his Department has made an assessment of the public health risks associated with PFAS contamination in drinking water; and if he will publish a list of affected catchment areas
Answer
Emma HardySince August 2024, the Drinking Water Inspectorate (DWI) guidance has set a guideline limit of 100 nanograms for the sum of 48 named PFAS. The limit was agreed with the UK Health Security Agency to be a robust level with an appropriate margin to ensure ou...
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