An Act amending the act of April 14, 1949 (P. L. 482, No. 98), entitled, as amended, "An act authorizing and requiring cities, boroughs, townships, municipal authorities and public utility companies engaged in the supplying of water, to shut off the supply of water for nonpayment of sewer, sewerage, or sewage treatment rentals; counties of the second class, by cities of the second class, by cities of the second class A, by cities of the third class, by boroughs or by townships of the first or second class;*** and conferring certain powers upon the Pennsylvania Public Utility Commission in connection therewith," restricting the shutting off of water under certain circumstances.