An Act amending Titles 8 (Boroughs and Incorporated Towns) and 11 (Cities) of the Pennsylvania Consolidated Statutes, in storm sewers and watercourses, further providing for authority of boroughs and for manner of financing work; and, in watercourses, flood protection projects and storm water systems, further providing for establishing and changing watercourses, flood protection projects and storm water systems and for assessment of benefits and liens.