Who enforces the U.S. pollution regulations that apply to ships?

Correct Answer: Option C — U.S. Coast Guard

The U.S. Coast Guard is the primary federal agency responsible for enforcing maritime pollution regulations, including the Clean Water Act and MARPOL requirements. They conduct inspections, oversee transfer operations, and investigate incidents to ensure compliance with 33 CFR and 46 CFR standards for environmental protection in U.S. waters.