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 non-payment of sewer, sewerage, or sewage treatment rentals, rates, or charges imposed by municipal authorities organized by counties of the second class, by cities of the second class, by cities of the second class A, by cities of the third class or by boroughs; ***," allowing authorities to shut off water supply in certain cases.