The failure to observe any of the following rules shall constitute prima facie evidence of the violation of the provisions of this section:
(a) Any person operating a boat or water ski shall observe the Federal navigation rules for harbors, rivers, and inland waters.
(b) Any person operating a boat or water ski shall at all times be responsible for the wake of the boat and shall take care to avoid disturbing, by wake, wash, or suction, any person or property in or on a waterway.
(c) Any person operating a boat or water ski shall at all times do so in such manner as to protect the life, limb, and property of persons and shall not operate such boat or ski in such a manner as to unreasonably or unnecessarily interfere with any other documented or undocumented boat engaged in proper navigation. (§ 7, Ord. 360)