Trabuco Retarding Basin, located in Orange County, California, is a vital structure managed by the local government for flood risk reduction along the San Diego Creek. Completed in 1996, this earth dam stands at 18 feet high, with a hydraulic height of 14.5 feet, offering a storage capacity of 390 acre-feet. The basin covers a surface area of 22.25 acres and serves a drainage area of 3.17 square miles, making it a crucial component in managing water resources and mitigating flood hazards in the region.

The dam's high hazard potential is closely monitored, with regular inspections ensuring its structural integrity remains satisfactory. The California Department of Water Resources (DWR) oversees the state-regulated Trabuco Retarding Basin, enforcing permitting, inspection, and enforcement measures to uphold its safety standards. With its strategic location and design, the basin plays a crucial role in safeguarding the surrounding community against potential inundation events, demonstrating the proactive approach taken to manage water resources and climate-related risks in the area.

Managed under the jurisdiction of the DWR, the Trabuco Retarding Basin serves as a critical flood control infrastructure in Southern California. With its significant storage capacity and strategic design, this earth dam plays a vital role in reducing flood risks and protecting the local community from potential water-related hazards. As part of the state's comprehensive approach to water resource management and climate resilience, the basin represents a proactive measure in safeguarding against the impacts of extreme weather events and ensuring the safety and security of the surrounding area.