Located in Riverside, California, Hj Mills Reclamation is a vital piece of infrastructure designed for water supply purposes. Completed in 1996, this earth dam stands at a height of 48 feet and boasts a storage capacity of 98 acre-feet. With a surface area of 16 acres and a drainage area of 0.03 square miles, this offstream structure plays a crucial role in water management in the region.

Maintained by the California Department of Water Resources and regulated by the Safety of Dams agency, Hj Mills Reclamation has a significant hazard potential but is currently assessed to be in satisfactory condition. The dam underwent its last inspection in October 2020, with a frequency of one inspection per year. In case of emergencies, there is an Emergency Action Plan (EAP) in place, last revised in December 2018, to ensure swift and coordinated responses to any potential risks or incidents.

With its strategic location and modern design, Hj Mills Reclamation serves as a key component of the water infrastructure in Riverside. As climate change continues to impact water resources, structures like this play an essential role in ensuring a reliable water supply for the community. As enthusiasts of water resources and climate, the details of Hj Mills Reclamation offer a fascinating insight into the intersection of engineering, regulation, and environmental stewardship in managing our precious water sources.