Application and interpretation of this Part
36.—(1) This Part applies to the performance by a local authority of their duty under section 77(1) of the Act (general functions of local authorities in relation to water quality) insofar as that duty relates to water supplies which are not private supplies.
(2) In this Part “specified relevant supplier”, in relation to a local authority, means—
(a)a water undertaker any of whose water supply zones include an area which is situated within the area of that authority; or
(b)a water supply licensee which uses any such water supply zones for the purposes of supplying water to consumers.