Dillon Dam, located in Silverthorne, Colorado, is a vital water supply structure on the Blue River. Constructed in 1963, this Earth dam stands at a height of 310 feet and has a storage capacity of 305,000 acre-feet, serving the dual purposes of water supply and recreation. With a surface area of 3,300 acres and a drainage area of 338 square miles, this dam plays a crucial role in managing water resources in Summit County.

The dam has undergone modifications in 1986 and 2002 to enhance its hydraulic and mechanical systems. It features an uncontrolled spillway with a width of 15 feet and is equipped with slide and valve outlet gates. Despite being classified as having a high hazard potential, the dam's condition is rated as satisfactory, with regular inspections and a comprehensive emergency action plan in place. Managed by public utility agencies, Dillon Dam is a key infrastructure ensuring water security in the region.

Dillon Dam's strategic location and design make it a significant asset for water resource management in Colorado. The dam's role in regulating the flow of the Blue River and providing a reliable water supply underscores its importance for the surrounding communities. With a focus on safety and efficiency, Dillon Dam stands as a testament to successful water infrastructure development and management in the face of changing climate conditions.