Deyo is a state-regulated dam located in Clearwater, Idaho, with a significant hazard potential but a satisfactory condition assessment. Completed in 2011, it stands at a height of 35 feet and has a maximum storage capacity of 550 acre-feet. The dam's primary purpose is classified as 'Other', and it is primarily constructed of Earth and Stone materials with Rock and Soil foundations.

Situated on Schmidt Creek and Lolo Creek, Deyo serves a crucial role in managing water resources in the region, with a drainage area of 2.3 square miles and a spillway width of 21 feet. The dam features an uncontrolled spillway type and slide (sluice gate) outlet gates. Despite its significant hazard potential, the dam's risk assessment is moderate, with regular inspections and a risk management plan in place to ensure public safety and water resource management in the area.

Overall, Deyo is a vital water management structure in Idaho, playing a key role in flood control and water storage. With state regulation and regular inspections, the dam maintains a satisfactory condition and is equipped to handle potential risks. Its presence on Schmidt Creek and Lolo Creek underscores its importance in safeguarding the local environment and communities against water-related hazards.