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Eufaula Dam
USACE Eufaula Lake and Dam Oklahoma.jpg
Country United States
Location Haskell / McIntosh counties, east of Eufaula, Oklahoma
Coordinates 35°18′25″N 95°21′29″W / 35.30694°N 95.35806°W / 35.30694; -95.35806Coordinates: 35°18′25″N 95°21′29″W / 35.30694°N 95.35806°W / 35.30694; -95.35806
Status Operational
Construction began 1956
Opening date 1964
Owner(s) U.S. Army Corps of Engineers
Dam and spillways
Type of dam Earthen embankment, concrete gravity composite
Impounds Canadian River
Height 114 ft (35 m)
Length 3,200 ft (975 m)
Spillways 11
Spillway type Tainter gate-controlled ogee weir
Spillway capacity 465,000 cu ft/s (13,167 m3/s)
Reservoir
Creates Eufaula Lake
Total capacity 2,099,000 acre⋅ft (2.589078377×109 m3)
Surface area 102,000 acres (413 km2)
Power station
Commission date 1964
Turbines 3 x 30 MW
Installed capacity 90 MW

Eufaula Dam is a dam across the Canadian River in Oklahoma. Completed in 1964, it impounds Eufaula Lake, one of the world's largest man-made lakes, covering 102,500 acres (41,500 hectares). The dam serves to provide flood control, water supply, navigation and hydroelectric power generation. It supports a 90 MW power station; three generators produce 30 MW each.

History

State Highway 71 runs across the top of the dam.

Eufaula Dam (2015)
Fishing at Eufaula Dam

The dam was approved by Rivers and Harbors Act of 1946 and construction began in December 1956. The cost of the project, completed by the U.S. Army Corps of Engineers, was $121,735,000. The flood-control operations of the dam were in place by February 1964, and the dam dedicated by President Lyndon B. Johnson on September 25, 1964.

Heavy rains in the spring of 2015, caused Eufaula Lake to rise so rapidly that the Corps of Engineers had to open the flood gates and release water at rates as high as 48,000 cubic feet (1,400 m3) per second. This was the highest rate since 1990.

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