The Board of Port Wardens shall have the power to regulate the placement, erection and construction of structures or other barriers within or on the waters of the Town, including but not limited to the issuing of licenses to create or build wharves, marinas, community and private piers and the issuing of permits for mooring piles, floating wharves, buoys, bulkheads or anchors, taking into account the present and proposed uses, and the effect of present and proposed uses on marine life, wildlife, conservation, water pollution, erosion, navigational hazards, the effect of the proposed use on congestion within the waters, the effect on other riparian property owners, and the present and projected needs for any proposed commercial or industrial use.

The Board of Port Wardens shall have the power to regulate the materials and construction for the aforesaid improvements and to make certain that any improvements within or on the waters of the Town do not render the navigation too close and confined. This provision in no way intends to affect or conflict with any zoning power otherwise provided for.

The Board of Port Wardens shall have the power to regulate the removal of any earth or other materials for the purpose of building any structure within or on the waters of the Town, including any maintenance dredging and modification of the natural shoreline and to regulate the placement of any dredge materials in the Town's permanent spoil site facility.

The Board of Port Wardens shall have the power to provide for safe harbors, free of congestion and navigational hazards, to provide benefit to the citizens of the Town by protecting marine life and wildlife, and to avoid water pollution and erosion within or on the waters of the Town. This provision in no way intends to affect or conflict with any other federal or state law, rule or regulation with respect to navigation.