Missouri Revised Statutes Title XIX. Motor Vehicles, Watercraft and Aviation § 306.165. Water patrol officer, powers, duties and jurisdiction of

Each patrol officer assigned to the water patrol division by the superintendent of the highway patrol as provided in section 43.390 shall possess all the powers of a peace officer to enforce all laws of this state, upon all of the following:

Each patrol officer assigned to the water patrol division may board any watercraft at any time, with probable cause, for the purpose of making any inspection necessary to determine compliance with the provisions of this chapter. Each patrol officer may arrest on view and without a warrant any person he or she sees violating or who such patrol officer has reasonable grounds to believe has violated any law of this state, upon any water or land area subject to his or her jurisdiction as provided in this section or may arrest anyone violating any law in his or her presence throughout the state. Each patrol officer, while investigating an accident or crime that was originally committed within such patrol officer's jurisdiction, as set forth in this section, may arrest any person who he or she has probable cause to believe has committed such crime, even if the suspect is currently out of the division of water patrol's jurisdiction. Patrol officers, if practicable, shall notify the sheriff or the police department prior to making an arrest within their respective county or city. Each patrol officer shall comply with the training and certification provisions of chapter 590.