Moccasin Lake, located in Whiterocks, Utah, is a private water resource managed by the Utah Division of Water Rights. Built in 1923, this Earth dam serves primarily for irrigation purposes and stands at a height of 15 feet with a hydraulic height of 12 feet. The lake has a storage capacity of 113 acre-feet, with a normal storage level of 90 acre-feet, and it is situated along the Whiterocks River in Duchesne County.

Although Moccasin Lake has a low hazard potential and is currently not rated for its condition assessment, it undergoes regular inspections every five years to ensure its safety and functionality. The last inspection took place in July 2003. Despite its age, the dam remains a crucial component for irrigation in the area, providing water for agricultural activities in the region. With its historical significance and vital role in local water management, Moccasin Lake serves as a testament to the enduring importance of water resources in sustaining communities and ecosystems amidst changing climates.