Welcome to the Bureau of Reclamation California-Great Basin Reclamation's Mission and Vision statements: The California-Great Basin Region is one of five Reclamation regions across the nation’s 17 western states. It encompasses two-thirds of California, the Klamath Basin, and most of Nevada. The California-Great Basin Region manages one of the nation’s largest and best known water projects—the Central Valley Project—as well as Oregon’s Klamath Project; Nevada’s Newlands, Humboldt, Washoe, and...