Section 2(v) in The Chennai Metropolitan Water Supply and Sewerage Act, 1978
(v)"water works" includes any source of water supply like stream, lake, spring, river or canal, well, reservoir, cistern and tank, dug well, bore well, dug-cum-bore well, tube well, filter points and infiltration galleries, any channel, duct, whether covered or open, desalination plants, treatment units, sluice supply main, culvert, bridge, engine, water tank hydrants, stand-pipe or post, conduit and machinery and any adjacent land not being private property and any land, building or other things for supplying water or for protecting source of water supply or for treatment of water;
