Oroville-Tonasket Claim Settlement and Conveyance Act

Oroville-Tonasket Claim Settlement and Conveyance Act - Approves the Settlement Agreement between the U.S. Bureau of Reclamation and the Oroville-Tonasket Irrigation District. Authorizes the Secretary of the Interior to conduct all necessary and appropriate investigations, studies, and required Federal actions to implement the Agreement.

Provides for consideration by the District to the United States and U.S. responsibilities under such Agreement. Releases the United States from further obligation for removing irrigation facilities under the Oroville-Tonasket Irrigation Project.

Authorizes the Secretary to convey to the District all U.S. rights and interest in Project irrigation works. Directs the Secretary to retain title to the Wildlife Mitigation Facilities. Terminates certain prior contracts upon such conveyance.

Continues the District's obligation to deliver water to Indian trust lands upon request.

Provides liabilities of the District upon conveyance of the irrigation works.

Terminates upon the completion of the transfer specified mandates imposed upon the irrigation works under prior reclamation laws.