Navajo-Hopi Little Colorado River Water Rights Settlement Act of 2012

[AI summary unavailable — showing source text] Navajo-Hopi Little Colorado River Water Rights Settlement Act of 2012 - Approves, and directs the Secretary of the Interior to execute, the Navajo-Hopi Little Colorado River Water Rights Settlement Agreement, except to the extent that it conflicts with this Act. Requires all water rights of the Navajo Nation and the Hopi Tribe to be held in trust for the Nation, the Tribe, and their allottees. Directs the Bureau of Reclamation, subject to the availability of appropriations, to plan, design, and construct: (1) the Leupp-Dilkon Groundwater Project and the Ganado Groundwater Project for transfer to the Navajo Nation, and (2) the Hopi Groundwater Project for transfer to the Hopi Tribe. Releases the federal government from any obligation to cover the operation, maintenance, and replacement costs of the projects after title to the projects is transferred and certain amounts are deposited in trust accounts for such costs. Authorizes the Navajo Nation, Hopi Tribe, and federal government to waive and release specified claims pursuant to the Agreement. States that the parties retain all rights not expressly waived. Provides that, except as provided in the Agreement, benefits realized by the …