It is unlawful for any owner, master or other person in charge of any vessel or any person upon the waters or upon or along the shore of the waters of the City to spill, throw, pump or otherwise cause oil of any description to be or float upon the waters of the City. Any person causing oil to be upon the waters of the City as aforesaid shall remove the oil and, upon his failure so to do, the oil may be removed by the Police Department or Public Works Department and the expense thereof shall be paid by and recoverable from the person causing such oil to be upon the water. The payment of such sum, or the maintenance of an action therefor, shall not be deemed to exempt such person from prosecution for causing such oil spillage. (Ord. 1937 § 31, 1997: Ord. 377 § 26, 1965).