35 Pa. Stat. § 691.303
Every person who, on the effective date of this act, shall be discharging or permitting to be discharged or has an establishment temporarily closed which, in the future, may discharge or permit to be discharged, any industrial waste into the waters of the Commonwealth, shall file with the department within ninety days after the effective date of this act, on forms prepared and supplied by the department, such information, under oath, as the department may require with regard to such industrial waste, including the kind, characteristics, and rate of flow thereof, and concerning the treatment works, if any, either in operation or in contemplation. It shall be the duty of such persons to apply to the department for the forms necessary to comply with this provision. The falsity of any of the information thus supplied is hereby declared to be perjury and punishable as such.
35 P.S. § 691.303