Mni Wiconi Project Act Amendments of 2012

[AI summary unavailable — showing source text] Mni Wiconi Project Act Amendments of 2012 - Amends the Mni Wiconi Project Act of 1988 to include within the service area of the Oglala Sioux Rural Water Supply System the tract of land in Nebraska set aside as part of the Pine Ridge Indian Reservation by the executive order dated February 20, 1904. Directs the Secretary of the Interior (the Secretary) to develop separate plans for completing, and enter into agreements with specified agency heads to complete, the Oglala Sioux Rural Water Supply System, the Rosebud Sioux Rural Water Supply System, and the Lower Brule Sioux Rural Water Supply System, in consultation with specified federal agencies and the Oglala Sioux Tribe, the Rosebud Sioux Tribe, and the Lower Brule Sioux Tribe, respectively. Requires: (1) the Director of the Bureau of Indian Affairs (BIA) to assist the Secretary in completing such Systems by constructing, repairing, and upgrading plumbing fixtures, skirting, and other necessary features to ensure that houses within the service areas are able to meet the standards for connecting to such Systems; and (2) the Secretary and the Secretary of Agriculture to complete, within 15 years, the livestock distribution systems f…