Don Demille is a privately-owned dam located in Uintah, Utah, regulated by the Utah Division of Water Rights. It serves the primary purpose of flood risk reduction, with an Earth-type structure standing at 8 feet tall and stretching 3000 feet in length. The dam has a storage capacity of 65 acre-feet and is classified as having a low hazard potential.

Although the dam's condition is not rated, it undergoes inspections every 5 years to ensure its integrity and safety. Despite not being under the jurisdiction of the US Army Corps of Engineers, Don Demille is equipped with emergency protocols and contacts. With its strategic location and moderate size, this dam plays a crucial role in managing flood risks in the region, making it a key asset for water resource and climate enthusiasts to monitor and study.