Written Question·Department for Environment, Food and Rural Affairs·UIN 14139

Water Supply: Temperature

Tabled: 29 June 2026

Answered: 2 July 2026

Question

Ayoub Khan

To ask the Secretary of State for Environment, Food and Rural Affairs, what assessment her Department has made of the potential impact of increasingly frequent heatwaves on water security in England.

Answer

Emma Hardy

Water companies in England have a statutory duty under the Water Industry Act 1991 to produce and maintain Water Resources Management Plans and Drought Plans, during in extreme heat. Companies must review and update these plans at least every five years t...

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