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Boise Project, Boise River Diversion Dam, Across Boise River, Boise, Ada County, ID

Boise Project, Boise River Diversion Dam, Across Boise River, Boise, Ada County, ID



Significance: The Boise Diversion Dam and Powerplant are important components in the Boise Project, a Bureau of Reclamation effort to irrigate the Boise and Payette River valleys in Idaho. The diversion dam, completed in 1908, was one of the first Boise Project structures. It directs water into the New York Canal, which carries water throughout Boise Valley. The powerplant, constructed in 1912, initially provided power to construct Arrowrock Dam, and retains much of its original hydroelectric equipment. The dam and powerplant are listed on the National Register of Historic Places for their contributions to the successful development of the Boise Valley and as an example of early twentieth-century hydroelectric engineering.
Survey number: HAER ID-17-A
Building/structure dates: 1911-1912 Initial Construction
Building/structure dates: 1906-1908 Initial Construction
Building/structure dates: 1928 Subsequent Work
Building/structure dates: 1932 Subsequent Work
Building/structure dates: 1963 Subsequent Work
Building/structure dates: 1962 Subsequent Work
Building/structure dates: 1959 Subsequent Work
Building/structure dates: 1965 Subsequent Work
National Register of Historic Places NRIS Number: 76000666



Historic American Engineering Record, creator
Bureau of Reclamation
Maul, David, transmitter


Boise Hills Village43.61495, -116.21032
Google Map of 43.6149494, -116.2103243


Library of Congress

Copyright info

No known restrictions on images made by the U.S. Government; images copied from other sources may be restricted. http://www.loc.gov/rr/print/res/114_habs.html