Sumner Dam

Sumner Dam
Location of Sumner Dam in New Mexico
Country	United States
Location	De Baca County, New Mexico
Coordinates	34°36′29″N 104°23′11″W / 34.60817°N 104.38634°W / 34.60817; -104.38634Coordinates: 34°36′29″N 104°23′11″W / 34.60817°N 104.38634°W / 34.60817; -104.38634
Purpose	Irrigation
Dam and spillways
Height	164 feet (50 m)
Reservoir
Total capacity	43,800 acre feet (54,000,000 m3)

Sumner Dam is a dam on the Pecos River in De Baca County in eastern New Mexico.

The dam was built by the United States Bureau of Reclamation between 1935 and 1939, a project governed by the Bureau in conjunction with the local Carlsbad Irrigation District.^[1] Construction was done by the Bureau with the help of workers of the Works Progress Administration and the Civilian Conservation Corps; some remnants of their artistic rockwork are the five rock bridges on the main road on the east side of the lake.^[2]

The dam is 164 feet tall and impounds the Pecos with a total capacity of about 43,800 acre-feet. The resulting reservoir, Lake Sumner, is the location of the community of Lake Sumner, New Mexico, and of Sumner Lake State Park.^[3] The state park was established in 1966 on a 50-year lease from the Bureau of Reclamation (expiring in 2016), and originally called Alamogordo Lake State Park.^[4] The lake was completely drained for irrigation needs in 2001, destroying fish stocks, but recreational use has since rebounded. The state park is unusual in providing public access to the riparian area below the dam.^[5]

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