Cooney Dam

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Cooney Dam (National ID # MT00001) is a dam in Carbon County, Montana.

The earthen dam was constructed in 1937 by the State of Montana, with a height of 97 feet, and a length of 2260 feet at its crest.[1] It impounds Red Lodge Creek for irrigation water storage. The dam is owned and operated by the Montana Department of Natural Resources and Conservation.

The reservoir it creates, Cooney Reservoir, has a normal water surface of 1.3 square miles, a maximum storage capacity of 24,195 acre-feet, and a normal capacity of 14,000 acre-feet.[2] Recreation includes boating, camping, hiking, and fishing (for walleye and rainbow trout). The state maintains the adjacent Cooney State Park.[3]


  1. ^ "Cooney". National Performance of Dams Program, Department of Civil & Environmental Engineering, Stanford University. Archived from the original on March 6, 2016. Retrieved October 16, 2012.
  2. ^ "Cooney, southcentral Montana". FindLakes. Retrieved October 16, 2012.
  3. ^ "Cooney, MT". Reserve America. Retrieved October 16, 2012.

Coordinates: 45°26′59″N 109°12′04″W / 45.44973°N 109.20108°W / 45.44973; -109.20108