Pruess Lake, located in Millard County, Utah, is a privately owned reservoir primarily used for irrigation purposes. Managed by the Utah Division of Water Rights, this earth dam structure was completed in 1900 and stands at a height of 30 feet with a hydraulic height of 28 feet. The reservoir has a storage capacity of 12,851 acre-feet, making it a significant water resource in the area.

With a drainage area of 999 acres, Pruess Lake plays a crucial role in supporting agriculture and water supply in the region. The dam has been classified as having a significant hazard potential, requiring regular inspections to ensure its safety and functionality. Despite having a condition assessment that is currently not rated, the reservoir continues to provide vital water resources for the surrounding communities.

Pruess Lake is a key component of the water infrastructure in Millard County, serving as a reliable source of water for irrigation and other purposes. As climate change continues to impact water resources, the management and maintenance of reservoirs like Pruess Lake will be essential in ensuring sustainable water supply for the local area.