Mccreary is a privately owned dam located in Aetna Springs, California, along Bucksnort Creek. Completed in 1961, this earth dam stands at a height of 20 feet and has a hydraulic height of 16.3 feet, providing a storage capacity of 2,098 acre-feet for irrigation and water supply purposes. With a surface area of 203 acres and draining 16.2 square miles, Mccreary plays a crucial role in managing water resources in the region.

Maintained by the California Department of Water Resources (DWR) and regulated by the Safety of Dams program, Mccreary has a low hazard potential and is currently in satisfactory condition as of the last assessment in September 2017. Although the dam has not undergone any modifications in recent years, it undergoes regular inspections with an inspection frequency of one year. With its primary purpose being water supply, Mccreary serves as a vital infrastructure for ensuring water availability in the area.

Located within the San Francisco District, Mccreary's operations are overseen by the state agency, with state permitting, inspection, and enforcement mechanisms in place to ensure its safety and functionality. The dam is situated in a picturesque landscape, providing a serene setting while serving as a critical component of the local water resource management system. For water resource and climate enthusiasts, Mccreary showcases the importance of effective dam management in sustaining water supplies for agricultural and domestic needs in California.