Written Question·Department for Environment, Food and Rural Affairs·UIN 99448

Reservoirs and Water Supply: Thames Valley

Tabled: 11 December 2025
Answered: 17 December 2025

Question

Mr Joshua Reynolds

Liberal DemocratMaidenhead

To ask the Secretary of State for Environment, Food and Rural Affairs, what comparative estimate her Department has made of the cost to consumers of (a) the proposed SESRO reservoir and (b) a Severn-to-Thames water transfer pipeline.

Answer

Emma Hardy
Water Resource Management Plans, which are approved by regulators, ensure that the strategic options pursued by water companies provide the best value for customers. Expenditure on infrastructure and customer bills are also controlled by Ofwat to minimise...

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