The Columbia Basin Project (or CBP) in Central Washington, United States, is the irrigation network that the Grand Coulee Dam makes possible. It is the largest water reclamation project in the United States, supplying irrigation water to over 670,000 acres (2,700 km2) of the 1,100,000 acres (4,500 km2) large project area, all of which was originally intended to be supplied and is still classified irrigable and open for the possible enlargement of the system. Water pumped from the Columbia River is carried over 331 miles (533 km) of main canals, stored in a number of reservoirs, then fed into 1,339 miles (2,155 km) of lateral irrigation canals,[1] and out into 3,500 miles (5,600 km) of drains and wasteways.[2] The Grand Coulee Dam, powerplant, and various other parts of the CBP are operated by the Bureau of Reclamation. There are three irrigation districts (the Quincy-Columbia Basin Irrigation District, the East Columbia Basin Irrigation District, and the South Columbia Basin Irrigation District) in the project area, which operate additional local facilities.[3]
- ^ Bloodworth, Gina; James White (2008). "The Columbia Basin Project: Seventy-Five Years Later". Yearbook of the Association of Pacific Coast Geographers. 70 (Annual 2008): 96–111. doi:10.1353/pcg.0.0006. ISSN 0066-9628. S2CID 128572803. Retrieved May 30, 2013.
- ^ "Project details - Columbia Basin Project". United States Bureau of Reclamation. Archived from the original on February 15, 2015. Retrieved October 25, 2009.
- ^ https://web.archive.org/web/20141003030357/http://www.usbr.gov/projects/Project.jsp. Archived from the original on October 3, 2014. Retrieved August 5, 2012.
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