Pennsylvania Statutes Title 53 P.S. Municipal and Quasi-Municipal Corporations § 14961. Courts and areas to be drained

All courts, yards, areas, and alleys about buildings of the grades referred to in this act shall be properly graded, so as to receive thorough drainage in all their parts.  If necessary the chief of the division shall order such spaces filled or repaved, so as to eliminate all stagnant ponds or waters and thus destroy the breeding places of mosquitos.