Evergreen is a historic earth dam located in Jefferson County, Colorado, along Bear Creek. Built in 1927, this dam serves primarily for water supply purposes, with a storage capacity of 800 acre-feet and a normal storage of 669 acre-feet. The dam stands at a height of 41 feet, with a hydraulic height of 50 feet and a structural height of 47 feet. Its spillway, which is uncontrolled, has a width of 196 feet, and the dam has a drainage area of 101 square miles.

Despite being classified as having a high hazard potential, Evergreen is in fair condition as of its last assessment in September 2020. The dam has undergone modifications in 1980 to improve its structural integrity. With its moderate risk assessment level, the dam is closely regulated and inspected by the Colorado Division of Water Resources. As a popular recreational spot in the area, Evergreen is not only a vital water resource but also a scenic destination for outdoor enthusiasts to enjoy.