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Written question asked by Olly Glover (Liberal Democrat) on Thursday, 5 February 2026, in the House of Commons. It was due for an answer on Monday, 9 February 2026. It was answered by Emma Hardy (Labour) on Thursday, 12 February 2026 on behalf of the Department for Environment, Food and Rural Affairs.


Reservoirs: Thames Valley

Question

To ask the Secretary of State for Environment, Food and Rural Affairs, whether her Department holds information related to an independent comparative assessment of the potential cost to the public pursue of Thames Water's White Horse reservoir proposal with (a) the creation of a smaller reservoir, (b) Severn-Trent Transfer, and (c) a combination of both options.

Answer

Thames Water has selected the reservoir as part of its statutory Water Resources Management Plan. Water Resources South East has also conducted an options appraisal process, identifying the reservoir's necessity in its Regional Plan. The plans continue to be scrutinised by the water regulators.


Secondary information

Type
Written question
Reference
111368
Session
2024-26
Registered interest declared
Yes
Subjects
Costs Construction Reservoirs Thames Valley
Contains statistics
Yes
Link
View this Written question on www.parliament.uk