Section 141(b) in The Mumbai Municipal Corporation Act, 1888
(b)which are situated in a portion of [Brihan Mumbai] [These words were substituted for the words 'Greater Bombay' by Maharashtra 25 of 1996, (w.e.f. 4.9.1996).] in which the Commissioner has given public notice that sufficient water is available from the municipal water works for furnishing a reasonable supply to all the premises in the said portion.