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Owyhee Dam (National ID # OR00582) is a concrete arch-gravity dam on the Owyhee River in Eastern Oregon near Adrian, Oregon, United States. Completed in 1932 during the Great Depression , the dam generates electricity and provides irrigation water for several irrigation districts in Oregon and neighboring Idaho .
The Owyhee River enters the Snake River from the west on the Oregon–Idaho border approximately 5 miles (8 km) south of Nyssa, Oregon, and 2 miles (3 km) south of the mouth of the Boise River. The final stretch of the river, below Owyhee Dam, emerges from the Owyhee Plateau and enters the Snake River Plain.
It began 121 years ago in 1903, when surveyors began investigating a site on the Owyhee River for the construction of a dam, to impound water for irrigation. The Owyhee project received official Congressional sanction in 1924 on December 5 and the Owyhee Dam was completed on September 16, 1932. [5] While the dam was under construction, over 98. ...
An artificial lake, it was created in 1932 with the completion of the Owyhee Dam. [5] The lake supplies water for irrigation for 1,800 farms covering 118,000 acres of land in Eastern Oregon and Southwestern Idaho. [6] Seasonal Lake Owyhee State Park is located on the northeast shore and includes a boat ramp. [7] [8]
The Owyhee River Wilderness was created by the Omnibus Public Land Management Act of 2009 and signed into law by President Barack Obama on March 30, 2009. Also created in the Omnibus Land Act were five additional southwestern Idaho wilderness areas in Owyhee County, collectively known as the Owyhee Canyonlands Wilderness Areas: [4] [5]
In sharp contrast, the period between 14,300 and 11,100 years ago, which includes the Younger Dryas interval, was an interval of reduced sea level rise at about 6.0–9.9 mm/yr. Meltwater pulse 1C was centered at 8,000 years ago and produced a rise of 6.5 m in less than 140 years, such that sea levels 5000 years ago were around 3m lower than ...
Adamsville, never rebuilt after being largely destroyed by a flood.; Alamo Crossing, Submerged in Alamo Lake. [7]Aubrey Landing, flooded during the formation of Lake Havasu.
An arid region of canyons, volcanic rock, sagebrush and grass makes up the ~9,375 sq mi (24,280 km 2) Owyhee Desert. [2] The desert is in northern Nevada, southwestern Idaho and southeastern Oregon. It is located on the south edge of the Columbia Plateau southwest of Boise, Idaho, stretching east from the Santa Rosa Range. It has a mean ...