Silver Jack Dam (National ID # CO01693) is a dam in

Gunnison County, Colorado Gunnison County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 16,918. The county seat is Gunnison. The county was named for John W. Gunnison, a United States Army officer and captain in the Arm ...

. The earthen dam was constructed between 1966 and 1971 by the

United States Bureau of Reclamation The Bureau of Reclamation, and formerly the United States Reclamation Service, is a federal agency under the U.S. Department of the Interior, which oversees water resource management, specifically as it applies to the oversight and opera ...

, with a height of 173 feet, 1050 feet long at its crest, and a morning glory spillway. It impounds the

East Fork Cimarron River East Fork Cimarron River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed March 18, 2011 tributary of the Cimarron River in Colorado. The river's source is near Wetterhorn Peak in ...

for irrigation storage, as the main part of the larger Bostwick Park Project on the western slope. The dam is owned by the Bureau and operated by the local Bostwick Park Water Conservancy District. The reservoir it creates, Silver Jack Reservoir, has a normal water surface of 293 acres, and a maximum capacity of 12,820

acre-feet The acre-foot is a non- SI unit of volume equal to about commonly used in the United States in reference to large-scale water resources, such as reservoirs, aqueducts, canals, sewer flow capacity, irrigation water, and river flows. An acre-f ...

. Recreation includes fishing, camping, boating, hunting, and hiking.http://www.recreation.gov/recAreaDetails.do?contractCode=NRSO&recAreaId=61&contractCode=129

References

{{authority control Dams in Colorado Reservoirs in Colorado United States Bureau of Reclamation dams Dams completed in 1971 Buildings and structures in Gunnison County, Colorado Lakes of Gunnison County, Colorado