Eastfoot Retarding Basin, located in Irvine, California, serves as a vital component in flood risk reduction along Peters Canyon Wash. Constructed in 2007 by the local government, this earth-type dam stands at a height of 38.5 feet with a hydraulic height of 30.3 feet, providing a maximum storage capacity of 213 acre-feet. With a surface area of 9.7 acres and a drainage area of 0.51 square miles, this basin plays a crucial role in managing stormwater runoff and preventing potential flooding in the region.

Managed by the California Department of Water Resources, the Eastfoot Retarding Basin is subject to state regulations and inspections to ensure its structural integrity and operational efficiency. Despite its high hazard potential, the dam's condition is deemed satisfactory, with a last assessment conducted in September 2017. The basin's Emergency Action Plan is regularly updated and meets safety guidelines, showcasing the commitment to safeguarding the surrounding community in the event of a flood emergency. With its strategic location and effective design, the Eastfoot Retarding Basin exemplifies the importance of water resource management in mitigating climate-related risks and protecting local ecosystems.