Section 199(1) in The Punjab Municipal Corporation Act, 1976
(1)No water pipes shall be laid in a drain or on the surface of an open channel or house gully or within six meters of a cesspool or in any position where the pipe is likely to be injured or the water therein polluted: and no well or tank and except with the consent of the Commissioner, no cistern shall be constructed within six meters of a latrine or cesspool.