Regardless of local requirements, when in a U.S. port, all oil spills must be reported to which of the following agencies?

Correct Answer: Option C — National Response Center (USCG)

Title 33 CFR Part 153 mandates that any discharge of oil or hazardous substances in U.S. navigable waters or ports must be reported immediately to the National Response Center (NRC) operated by the United States Coast Guard.