For the purposes of the taking of any steps falling to be taken by a local authority by virtue of a designation under subsection (3)(a) of section 80 above the provisions of Part VI of this Act shall have effect—
Where by virtue of this Act a local authority have power under Part VII of the Local Government Act 1972 (miscellaneous powers of a local authority) to acquire (whether compulsorily or otherwise) any land or right over land for the purpose of ensuring that private supplies of water to premises in their area are both wholesome and (so far as houses on those premises are concerned) sufficient for domestic purposes, that power shall include power to acquire land or any interest or right in or over land in order, for that purpose, to dispose of the land or the interest or right to a person who is a relevant person in relation to such a private supply.
In this section "relevant works powers" means the powers conferred on water undertakers by sections 158, 159, 161, 163 and 165 below.