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Written question asked by Gregory Stafford (Conservative) on Tuesday, 30 June 2026, in the House of Commons. It was due for an answer on Thursday, 2 July 2026. It was answered by Emma Hardy (Labour) on Wednesday, 8 July 2026 on behalf of the Department for Environment, Food and Rural Affairs.


Chlorine: Health Hazards

Question

To ask the Secretary of State for Environment, Food and Rural Affairs, what research his Department has commissioned or reviewed since 2000 into potential health effects associated with long-term domestic exposure to chlorinated mains water through bathing, showering and other household hygiene uses.

Answer

Chlorine has a long history of about 100 years of safe use for hygiene purposes worldwide. It is the most widely used disinfectant in the home. It is also a disinfectant used by the water industry to maintain hygienic conditions within the public water supply network of pipes.


Secondary information

Type
Written question
Reference
14681
Session
2026-27
Subjects
Health hazards Water Chlorine
Link
View this Written question on www.parliament.uk