Question to the Department for Environment, Food and Rural Affairs:

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.

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.