S.C. Code Ann. § 54-1-30: Discharge of oil or other products into harbor of county containing city over 60,000.

It shall be unlawful for any person to dump or discharge intentionally any products, waste or refuse of fuel oil, petroleum or coal at any place within this State from which it shall drain into the waters of any harbor in any county in this State containing a city of more than sixty thousand population according to the United States census of 1930. Any violation hereof shall be a misdemeanor and any person convicted thereof shall be subject to a fine not exceeding five hundred dollars or imprisonment not exceeding six months or both. It shall be the duty of the port or harbor commissioners, as well as that of all law enforcing officers to see that the provisions hereof are enforced.