53 Pa. Stat. § 14191
The director shall have power to make surveys and soundings, and to prepare plans therefrom and to keep records thereof. He shall also have power to regulate, fix, and establish bulkhead and pierhead lines, and the distance between piers, subject to the regulations of the United States government; and to adopt and promulgate rules and regulations for the construction, extension, alteration, improvement, and repair of wharves, piers, bulkheads, docks, slips, and basins within the limits of said cities. It shall be the duty of the director to take the necessary action to enforce the laws of the commonwealth and ordinances of said cities and the rules and regulations promulgated by the director pertaining to wharves, piers, bulkheads, docks, slips, and basins; and from time to time the director shall make such recommendations to councils of said cities as to him shall seem proper for the improvement and development of the water-front within said cities.
53 P.S. § 14191