Written Question·Department for Environment, Food and Rural Affairs·UIN 14684

Chlorine: Health Hazards

Tabled: 30 June 2026
Answered: 8 July 2026

Question

Gregory Stafford

ConservativeFarnham and Bordon

To ask the Secretary of State for Environment, Food and Rural Affairs, what guidance is issued to water companies on monitoring chlorine residuals at consumers' taps following alterations to domestic plumbing arrangements.

Answer

Emma Hardy
Water companies are not obliged to conduct monitoring of any sort following alterations to domestic plumbing arrangements. If there is an issue, water companies can be asked to inspect the arrangements under the water fittings regulations.