Cottonwood Springs Dam
Dam in South Dakota, USA
From Wikipedia, the free encyclopedia
Cottonwood Springs Dam is a dam in Fall River County, South Dakota in the southwestern part of the state, south of the Black Hills.
| Cottonwood Springs Dam | |
|---|---|
  Cottonwood Springs Dam Location of Cottonwood Springs Dam in South Dakota. | |
| Country | United States |
| Location | Fall River County, South Dakota, USA |
| Coordinates | 43°26′17″N 103°33′57″W |
| Status | Operational |
| Opening date | 1969 |
| Owners |  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) |
| Normal elevation | 3,842 ft (1,171 m)[1] |
The earthen dam was constructed in 1969 by the U.S. Army Corps of Engineers with a height of 123 feet (37 m) and a length at its crest of 1,190 feet (360 m).[2] It impounds Cottonwood Springs Creek for area flood control.
The reservoir it creates, Cottonwood Springs Lake, has a water surface of 36 acres (15 ha) and has a maximum capacity of 11,635 acre-feet (14,352,000 m3).[3] Recreation is year-round and includes camping, hiking, and fishing.[4] Recreation is managed by the Corps of Engineers.
The dam and lake is approximately 6 miles (9.7 km) west of Hot Springs, South Dakota. Cold Brook Dam, another Corps of Engineers dam is located about 5 miles (8.0 km) northeast.
The dam and reservoir are located within the Cheyenne River watershed.
