180. Works to be undertaken for supply of water.

(a) shall cause to be constructed or maintained such tanks, reservoirs, engines, pipes, taps, and other water works as may be necessary, within or outside the municipal area,
(b) may purchase, or take on lease, any waterworks, or rights to store or to take and convey water, within or outside the municipal area, and
(c) may enter into any agreement with any person or authority for the supply of water :