7Supply of water for domestic purposes
(1)In this Act a supply of water for domestic purposes means a sufficient supply for drinking, washing, cooking, central heating and sanitary purposes but not for any bath having a capacity in excess of 100 gallons, and includes—
(a)a supply for the purposes of any profession carried on in any premises the greater part of which is used as a house; and
(b)where the water is drawn from a tap inside a house and no hosepipe or similar apparatus is used, a supply for watering a garden, for horses kept for private use and for washing vehicles kept for private use.
(2)A supply of water under subsection (1) does not include a supply of water for the business of a laundry, or any business of preparing food or beverages for consumption otherwise than on the premises.
(3)" Domestic purposes " in any local enactment relating to the supply of water shall be construed in accordance with subsections (1) and (2).