An Act amending the act of June 22, 1937 (P.L.1987, No.394), known as The Clean Streams Law, providing for access by abutting landowners, for use of equal or superior alternative design measures, for pre-application grant of design waiver or waiver or variance requests, for offsite mitigation and funding, for use of non-fact-based assumptions, for permitted professional certifications and for recorded notice of postconstruction storm water management best management practices; and making an editorial change.