The Secretary of State may for the purposes of this section appoint persons to act on his behalf . . . in relation to some or all of—
Subject to subsection (1B) below, the Secretary of State shall designate one such person as the Chief Inspector of Drinking Water.
If the function of the Secretary of State under subsection (1) above is transferred to any extent to the Assembly—
An inspector appointed under this section shall—
and
Without prejudice to the powers conferred by subsection (4) below, it shall be the duty of a water undertaker , water supply licensee or other relevant person (as defined in section 70(1A) above)—
as that person may reasonably require for the purpose of carrying out any such investigation as is mentioned in subsection (2) above.
Any inspector appointed under this section who is designated in writing for the purpose by the Secretary of State may—
Part II of Schedule 6 to this Act shall apply to the rights and powers conferred by subsection (4) above.
Any water undertaker , water supply licensee or other relevant person which fails without reasonable excuse to comply with the duty imposed on that person by virtue of subsection (3) above shall be guilty of an offence and liable —
Proceedings by the Secretary of State for an offence under this section or in relation to the quality and sufficiency of water supplied using a water undertaker's supply system may be instituted and carried on in the name of the Chief Inspector of Drinking Water.
Any such proceedings by the Assembly may be instituted and carried on in the name of the Chief Inspector of Drinking Water for Wales, if there is one (or, if subsection (1B)(b) above applies, in the name of the Chief Inspector of Drinking Water).
In this section "inspector" means the Chief Inspector of Drinking Water or any other person appointed under subsection (1) above.