To provide for the preservation and sustainability of the family farm through the transfer of responsibility for operation and maintenance of the Flathead Irrigation Project, Montana.

Directs the Secretary of the Interior, within one year after the enactment of this Act, to offer to enter into a contract with the irrigation district for the Flathead Indian Reservation, Montana, under which the district will operate and manage the Flathead Indian Irrigation Project, including the right to use permanent easements purchased under a prior Act. Outlines contract requirements, including U.S. fulfillment of trust responsibilities to such Tribe, the maintenance of water flows, and the continuation of certain existing cost repayment obligations.