Written questions

Water Supply: Housing

Commons · Question 25251 · Tabled 28 Aug 2026 · Department for Environment, Food and Rural Affairs · Official record

Answered 8 Sep 2026

Question

Asked by Gregory Stafford

To ask the Secretary of State for Environment, Food and Rural Affairs, what discussions her Department has had with the UK Health Security Agency and the Drinking Water Inspectorate on the potential merits of for further research into inhalation and derma

Answer

Answered by Emma Hardy, 8 Sep 2026

The Drinking Water Inspectorate (DWI) commissioned research in 2010 on the dermal and inhalation toxicity of regulated trihalomethanes (THM), which are byproducts of drinking water disinfection. The review found that even in "extreme exposure scenari...