Lake Eleanor, located in Moccasin, California, is a captivating multi-arch dam with a structural height of 61 feet and a length of 1260 feet. Completed in 1918, this dam serves as a vital water supply source with a storage capacity of 28,600 acre-feet and a surface area of 953 acres. The dam, situated on Eleanor Creek in Tuolumne County, is under state jurisdiction and regulated by the Department of Water Resources for the safety of dams.

With a high hazard potential, Lake Eleanor's condition assessment was deemed satisfactory as of September 2017. The dam has a regular inspection frequency of once per year, with the last inspection conducted in November 2020. Despite its age, Lake Eleanor continues to meet regulatory standards for water supply and hydroelectric purposes, serving as a key infrastructure for water resource management in the region. For water resource and climate enthusiasts, Lake Eleanor stands as a testament to engineering excellence and the importance of maintaining essential water infrastructure in a changing climate.