Cooney Dam facts for kids

Quick facts for kids Cooney Reservoir
Cooney Reservoir Location in Montana
Location	Carbon County, Montana
Coordinates	45°26′38″N 109°13′19″W / 45.44389°N 109.22194°W / 45.44389; -109.22194
Lake type	Reservoir
Primary inflows	Red Lodge Creek, Willow Creek, Chapman Creek
Primary outflows	Red Lodge Creek
Basin countries	United States
Max. length	2.3 miles (3.7 km)
Max. width	1.1 miles (1.8 km)
Surface area	1,078 acres (436 ha)
Water volume	28,230 acre-feet (34,820,000 m3)
Surface elevation	4,222 feet (1,287 m)

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

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. 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. Recreation includes boating, camping, hiking, and fishing for walleye and rainbow trout. The state maintains the adjacent Cooney State Park.