Oregon Revised Statutes Small Watercraft § 830.175

(1) The State Marine Board, upon consideration of the size of a body of water and traffic conditions, may make special regulations consistent with the safety and the property rights of the public or when traffic conditions become such as to create excessive congestion, relating to the operation of boats in any waters within the territorial limits of any political subdivision of this state. The regulations may include, but need not be limited to, the establishment of designated speeds, the prohibition of the use of motorboats and the designation of areas and times for testing racing motorboats.

(2) The governing body of a political subdivision of this state may apply to the board for special regulations relating to the designation of moorage areas on lakes or reservoirs which are under the jurisdiction of a public agency, or to the operation of boats on the waters within the territorial limits of the political subdivision. Within a reasonable time, the board shall act upon the application in the manner provided in subsection (1) of this section. When special regulations have been established within a political subdivision in accordance with this subsection, the governing body shall establish and maintain the navigational markers prescribed by the board.

(3) The board may make special regulations relating to the operation of boats, including the establishment of designated speeds and prohibition of the use of motorboats for the protection of game and game fish at the request of the State Fish and Wildlife Commission, or for carrying out the provisions of the federal Wild and Scenic Rivers Act, Public Law 90-542, and the Oregon Scenic Waterways Act, ORS 390.805 to 390.925. Action necessary to implement this section, including but not limited to the operation and manner of operation of boats, shall be by a permit system initiated by the board.

(4) The board may designate certain rivers or sections of rivers as hazardous. In making such designations, the board may consider recommendations of guide associations incorporated in this state.

(5) Regulations regarding operation of boats pursuant to this section shall be adopted in accordance with the provisions of ORS chapter 183.

(6) Any speeds in excess of the speeds designated by the board, as provided in this section, shall be prima facie evidence of the violation of ORS 830.315.