Which organization is responsible for reporting oil spills in California?

The correct response indicates that CAL OES, or the California Office of Emergency Services, is the organization tasked with reporting oil spills in the state. CAL OES plays a critical role in managing emergencies and hazards in California, including oil spills. They coordinate resources and responses to environmental incidents, ensuring that spills are reported properly and handled in accordance with state regulations. Their responsibilities encompass not just oil spills, but a wide array of emergency situations, which positions them as the primary authority for overseeing the response to such environmental hazards.

While other choices may represent organizations involved in various aspects of emergency management or environmental response, CAL OES stands out as the designated agency within California's framework specifically for handling reports of oil spills, aligning with state laws and procedures.