21.—(1) Subject to the provisions of this Act, the Board may supply water for human consumption to any person who undertakes to enter into an agreement with the Board for the supply upon such terms and conditions as the Board may determine.
(2) The Board may require any person who requires a supply of water for human consumption to accept in respect of the supply —
(a)
any condition requiring the person to provide sufficient premises, and to construct rooms, buildings or structures, as may be considered necessary by the Board for the purposes of the supply; and
(b)
any condition giving the Board the right to use the premises, rooms, buildings or structures provided or constructed under paragraph (a) as the Board thinks fit.
(3) The Board may, in its discretion, refuse to give, or may discontinue, a supply of water for human consumption to any building which —
(a)
has been erected in contravention of any written law;
(b)
is in a ruinous or dangerous condition; or
(c)
has a water service installation that is in an unsatisfactory condition.
(4) The Board shall not be liable for any loss or damage caused to any person by such refusal or discontinuance of the supply of water to the person under subsection (3).