Quail Valley, located in Lake Elsinore, California, is a privately owned dam with a primary purpose of water supply. Completed in 1959, this earth dam stands at 37 feet high and has a storage capacity of 103 acre-feet. With a drainage area of 1.6 square miles and a surface area of 10 acres, Quail Valley plays a vital role in providing water for the surrounding area.

Managed by the California Department of Water Resources (DWR) under the Safety of Dams program, Quail Valley is subject to regular state inspections and enforcement to ensure its structural integrity and safety. The dam has a high hazard potential and a satisfactory condition assessment as of September 2017. While the dam has a spillway type and width not specified in the data, it serves both recreational and water supply purposes for the community.

With its strategic location on the Tr San Jacinto Riv, Quail Valley is a critical infrastructure contributing to the water resource management in Riverside County. Climate and water resource enthusiasts would find this dam's design and operational details intriguing, showcasing the intersection of engineering, environmental stewardship, and public safety in sustaining water supplies for the region.