Owyhee Dam A project of the Bureau of Reclamation, they hired General Construction Company from Seattle to build the dam. Former Oregonian and then United States President Herbert Hoover dedicated what was the highest dam of its type in the world on July 17, 1932. Secretary of the Interior Ray Lyman Wilbur delivered Hoover's message at the dam. Owyhee's construction served as a prototype for the larger Hoover Dam on the Colorado River, including the use of refrigeration to cool the concrete. The dam cost $6,000,000, with the total reclamation project costing $18,000,000. Owyhee was designed by Frank A. Banks, who also
Techi Dam released from Techi Dam also supports irrigation in the lower Daxia River valley, and reduces flood crests at the downstream Shihgang Dam by up to . Techi Dam Techi Dam () is a concrete thin arch dam on the Dajia River in Heping District, Taichung, Taiwan. Forming the Techi Reservoir, the dam is built in the Tachien Gorge in Heping District, providing hydroelectric power, irrigation water, and some flood control, and is operated by the Taiwan Power Company. At , it is the highest dam in Taiwan and one of the tallest dams in the world. The dam was completed