Section 195(1) in The Coimbatore City Municipal Corporation Act, 1981
(1)The corporation may, with the sanction of the Government, construct, lay or erect filtering tanks, reservoirs, engines, conduits, pipes or other works without the limits of the City for supplying it with water and may provide tanks, reservoirs, engines, mains, fountains and other conveniences within the said limits for the use of the inhabitants.