Sand Lake, located in Oakley, Utah, is a privately owned irrigation reservoir on the Dry Fork of the Weber River. Managed by the Utah Division of Water Rights, this earth dam was completed in 1932 and has a significant hazard potential with a structural height of 11 feet and a hydraulic height of 7 feet. The dam has a storage capacity of 141 acre-feet, with a normal storage level of 110 acre-feet, serving the primary purpose of irrigation.

The dam at Sand Lake is not currently rated for condition assessment, but it undergoes regular inspections every two years to ensure its safety and integrity. Despite not having an emergency action plan in place, the reservoir meets state permitting and inspection requirements. With its historical significance and vital role in providing water for agricultural purposes, Sand Lake serves as a crucial water resource in Summit County, Utah. Enthusiasts of water resources and climate in the area can appreciate the importance of this man-made reservoir in sustaining local agriculture and the environment.