A. It is unlawful to tie up or anchor vessels or other craft in the harbor of the city in such manner as to prevent or obstruct the passage of watercraft, or to voluntarily or carelessly sink, or cause to be sunk, watercraft or obstructions in the navigable waters of the city; or to float or turn adrift loose timbers, logs, booms, piles, boomsticks or wreckage of any description in such manner as to obstruct, impede or injure navigation. Whenever a watercraft is wrecked or sunk in the harbor, accidentally or otherwise, it shall be the duty of the master of such sunken craft to immediately mark it as required by federal law, and to maintain such mark until the sunken craft is removed.

B. The neglect or failure of such owner to do so is unlawful; and it shall be the duty of the master of such sunken watercraft or obstruction to commence the immediate removal of the same and to prosecute the removal diligently, and should the owner fail, the city or the port may, at their option, have it removed and the expenses of same charged to the owner. [Ord. 9515, 1985; Ord. 8655 § 2(J), 1978].