Cherry Creek Dam (National ID # CO01280) is a dam in Arapahoe County, Colorado, in suburban Denver, southeast of the city center. The earthen dam was constructed between 1948 and 1950 by the United States Army Corps of Engineers with a height of 141 feet and a length of 14,300 feet at its crest. It impounds Cherry Creek, a tributary of the South Platte River, for flood control. The dam and reservoir are owned and operated by the Corps of Engineers.