The anticipated strong El Niño season poses significant flood risks for Oceanside and surrounding areas. Excessive precipitation could overwhelm existing flood protection measures, especially if levees require reconstruction. The city has identified 190 acres for sediment removal, but only 90 acres will be cleared due to budget constraints. A levee breach could lead to severe flooding, necessitating $50 million in reserves for emergency response. Residents and infrastructure near the San Luis Rey River are particularly vulnerable to these risks.