; or (B) irrigated by the class of users covered by the agreement dated April 30, 1956, between the California Oregon Power Company and Klamath Basin Water Users Protective Association and within the Off Project Area (as defined in the Upper Basin Comprehensive Agreement entered into on April 18, 2014), only if each applicable owner and holder of a possessory interest of the land is a party to that agreement (or a successor agreement that the Secretary determines provides a comparable benefit to the United States). (2) Klamath project (A) In general The term Klamath Project means the Bureau of Reclamation project in the States of California and Oregon. (B) Inclusions The term Klamath Project includes any dams, canals, and other works and interests for water diversion, storage, delivery, and drainage, flood control, and similar functions that are part of the project described in subparagraph (A). (3) Land associated with the Klamath Project The term land associated with the Klamath Project means any land that receives or has received water diverted or stored by Klamath Project facilities for all or part of its water supply. (4) Power cost benchmark The term power cost benchmark means the average net delivered cost of power for irrigation and drainage at Reclamation projects in the area surrounding the Klamath Project that are similarly situated to the Klamath Project, including Reclamation projects that— (A) are located in the Pacific Northwest