Cottonwood Springs Dam facts for kids
Quick facts for kids Cottonwood Springs Dam |
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 Location of Cottonwood Springs Dam in South Dakota.
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| Country | United States |
| Location | Fall River County, South Dakota, United States. |
| Coordinates | 43°26′17″N 103°33′57″W / 43.4380°N 103.5658°W |
| Status | Operational |
| Opening date | 1969 |
| Owner(s) |  U.S. Army Corps of Engineers, Omaha District |
| Dam and spillways | |
| Type of dam | Embankment, earthen |
| Height | 123 ft (37 m) |
| Reservoir | |
| Total capacity | 11,635 acre⋅ft (14,351,561 m3) |
| Surface area | 36 acres (15 ha) |
Cottonwood Springs Dam is a dam in Fall River County, South Dakota in the southwestern part of the state, south of the Black Hills.
The earthen dam was constructed in 1969 by the U.S. Army Corps of Engineers with a height of 123 feet and a length at its crest of 1190 feet. It impounds Cottonwood Springs Creek for area flood control.
The reservoir it creates, Cottonwood Springs Lake, has a water surface of 36 acres and has a maximum capacity of 11,635 acre-feet. Recreation is year-round and includes camping, hiking, and fishing. Recreation is managed by the Corps of Engineers.
The dam and lake is approximately 6 miles west of Hot Springs, South Dakota. Cold Brook Dam, another Corps of Engineers dam is located about 5 miles northeast.
The dam and reservoir are located within the Cheyenne River watershed.
