Rosemont is a significant rockfill dam located on East Beaver Creek in Teller County, Colorado. Completed in 1961, this dam serves primarily for water supply purposes, with a normal storage capacity of 2538 acre-feet and a total storage capacity of 3155 acre-feet. The dam stands at a height of 90 feet, with a hydraulic height of 115 feet and a structural height of 120 feet, encompassing a surface area of 95 acres.

With a spillway width of 70 feet and a maximum discharge capacity of 3500 cubic feet per second, Rosemont is regulated by the Colorado Department of Water Resources. The dam's condition has been assessed as satisfactory during the last inspection in May 2019, with a moderate risk rating. The dam's hazard potential is considered significant, highlighting the importance of ongoing maintenance and risk management measures to ensure its continued safety and functionality for water resource and climate enthusiasts in the region.