Aspen Lake, located in El Paso County, Colorado, is a privately owned reservoir primarily used for recreation. The earth dam, completed in 1956, stands at a height of 21 feet and has a storage capacity of 90 acre-feet. With a surface area of 6 acres and a drainage area of 4 square miles, Aspen Lake is fed by the South Beaver Creek and has a maximum discharge of 793 cubic feet per second.

Despite being categorized as having a low hazard potential, the dam's condition is assessed as fair, with the last inspection conducted in September 2018. The spillway, with a width of 27 feet, is uncontrolled, and the overall risk assessment for Aspen Lake is considered moderate. The reservoir is situated within a picturesque setting, offering opportunities for water resource and climate enthusiasts to enjoy outdoor activities while appreciating the importance of maintaining the infrastructure that supports this valuable natural resource.