Section 334(2) in The Coimbatore City Municipal Corporation Act, 1981
(2)If the water of any private tank, well or other place which is used for drinking, bathing or washing clothes, as the case may be, is proved to the satisfaction of the Commissioner to be unfit for that purpose, the Commissioner may, by notice, require the owner or person having control thereof to-(a)refrain from using or permitting the use of such water; or(b)close or fill up such place or enclose it with a substantial wall or fence.