Water Supply: South East

(asked on 28th April 2023) - View Source

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

To ask the Secretary of State for Environment, Food and Rural Affairs, what discussions she has had with (a) the Welsh Government, (b) Powys County Council, (c) Thames Water, (d) Seven Trent Water and (e) United Utilities on proposals to redirect water supplies from Llyn Fyrnwy to the South East of England.


Answered by
Rebecca Pow Portrait
Rebecca Pow
Parliamentary Under-Secretary (Department for Environment, Food and Rural Affairs)
This question was answered on 9th May 2023

As agreed in the Intergovernmental Protocol on Water Resources, Water Supply and Water Quality, Defra and the Welsh Government work together on water resources management.

Water companies in England and Wales have a statutory duty to provide a secure supply of water for customers, efficiently and economically. Statutory water resources management plans show how companies will continue to meet this duty and manage water supply and demand sustainably for at least the next 25 years. In their plans, water companies must consider all options, including demand management and water resources infrastructure. Collaborative regional water resources groups and water companies have been consulting on their draft water resources management plans. This includes United Utilities, Severn Trent Water and Thames Water. Within the draft plans produced by Thames Water, Severn Trent Water and United Utilities, are descriptions of a transfer of water from the reservoir Vyrnwy (Llyn Efyrnwy) through the River Severn and then into the upper part of the River Thames. This is known as the Severn to Thames transfer. Following public consultation, the water companies are now reviewing how they will change their plans. The companies will produce a Statement of Response that will detail whether this transfer will continue. The scheme is also being reviewed through RAPID (Regulators Alliance for Progressing Infrastructure Development).

Ofwat, the Environment Agency and Natural Resources Wales issued joint water resources planning guidance to water companies, which takes account of policy in England and Wales. They are also statutory consultees on the plans, as relevant. The plans will be referred to the Secretary of State and Welsh Ministers for approval later in the year.

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