Santa Anita Debris Basin, located in Monrovia, California, along the Santa Anita Wash, serves as a crucial structure for debris control and flood risk reduction in the region. Built in 1960, this earth dam stands at a height of 56 feet and has a hydraulic height of 34.7 feet. With a storage capacity of 116 acre-feet and covering a surface area of 9 acres, the basin plays a vital role in managing the drainage area of 12.5 square miles.

Owned and regulated by local government authorities, Santa Anita Debris Basin undergoes regular state inspections, enforcement, and permitting to ensure its functionality and safety. The dam has been assessed to be in fair condition, with a low hazard potential. In case of emergencies, the facility has an Emergency Action Plan (EAP) in place, although details about the plan's last revision and adherence to guidelines are currently unavailable.

Overall, Santa Anita Debris Basin stands as an essential infrastructure for protecting the surrounding areas from debris flow and flood risks. Its strategic location, efficient design, and regular maintenance make it a key player in water resource management and climate resilience efforts in Los Angeles County, California.