Mni Wiconi Project Act of 1988

(House agreed to Senate amendments with amendments under suspension of rules)

Mni Wiconi Project Act of 1988 - Directs the Secretary of the Interior to enter into agreements with appropriate non-Federal entities for planning, designing, constructing, operating, maintaining, and replacing the Oglala Sioux Rural Water Supply System to service the Pine Ridge Indian Reservation.

Directs the Secretary to enter into cooperative agreements with appropriate non-Federal entities to provide Federal funds for the planning and construction of the West Rural Water System and the Lyman-Jones Rural System in Haakon, Jackson, Jones, Lyman, Mellette, Pennington, and Stanley Counties, South Dakota.

Prohibits the obligation of funds for the construction of such Systems until: (1) the requirements of the National Environmental Policy Act of 1969 have been met; and (2) final engineering reports have been submitted to the Congress for a period of not less than 90 days.

Directs the Secretary to encourage the full consideration and incorporation of prudent and responsible water conservation measures in the operation of the three Systems where such measures are shown to be economically feasible. Directs the non-Federal parties (including the Oglala Sioux Tribe) participating in the Systems to develop a water conservation plan which contains definite goals, appropriate water conservation measures, and a time schedule for meeting the water conservation objectives. Authorizes the Secretary to enter into memorandums of agreement with the appropriate Federal agencies to assist in implementing water conservation measures.

Requires the mitigation of fish and wildlife losses incurred as a result of the construction of such Systems. Requires the Secretary to develop and recommend to the Congress mitigation plans for fish and wildlife losses incurred as a result of the construction and operation of the Oahe Dam and Reservoir and Big Bend Dam and Reservoir in South Dakota.

Prohibits the use of funds under this Act for irrigation purposes.

Authorizes the use of power from the Pick-Sloan Missouri Basin program.

Authorizes appropriations for the planning, design, and construction of the Systems, and authorizes appropriations for the operation and maintenance of the Oglala Sioux Rural Water Supply System.

Repeals provisions of law which authorized appropriations for the Pollock-Herreid Unit of the Pick-Sloan Missouri Basin Program.

Amends current law to authorize the Secretary, in cooperation with South Dakota, to report to the Congress on a feasibility investigation of the alternate uses of facilities constructed for use in conjunction with the Oahe Unit, initial stage, James Division, Pick-Sloan Missouri Basin Program.

Provides for the continued operation of the Grand Valley Power Project, Colorado, for a period not to exceed two years.

Directs the Secretary to replat the townsite of Veteran, Wyoming, and to convey a specified lot to the Goshen County school district. Authorizes the Secretary to dispose of Federal lands within the townsite area by negotiated or public sale.

Directs the Secretary to renegotiate the schedules of payment for certain loans to the Redwood Valley County Water District, California. Suspends the obligation to repay such loans and interest charges until such renegotiated schedules take effect.

Directs the Secretary to offer to the Lakeview Irrigation District, Wyoming, the annual option to purchase specified acreage or storage in the Buffalo Bill Dam and Reservoir, Shoshone Project, Pick-Sloan Missouri Basin Program, Wyoming.

Authorizes the Secretary of the Navy to use revenues from agricultural leases in the vicinity of Lamoore Naval Air Station to obtain air easements in Kings County, California.

Directs the Secretary of Energy, acting through the Western Area Power Administration, to offer an extension of the energy purchases to the Shoshone Irrigation District, Wyoming.

Prohibits additional appropriations for the analysis and study of the Shaws Bend site of the Colorado Coastal Plains project, Texas. Declares there to be no need for the construction of a dam at such site.

Directs the Secretary of the Interior to investigate, design, and construct any works necessary to protect the road system in irrigation portions of Franklin County, Washington, with the Federal Columbia Basin reclamation project and which are underlain or adjacent to lands identified as the Ringold Formation.

Waives the congressional review period to expedite completion of construction of the irrigation distribution systems of the Maricopa-Stanfield and Central Arizona Irrigation and Drainage Districts, Central Arizona Project.

Amends the Reclamation Project Authorization Act of 1972 to deauthorize channel rectification of the Rio Grande River at a specified point in Colorado. Authorizes the Secretary to acquire water from within the Rio Grande Basin by purchase, lease, or exchange from willing sellers. Authorizes the Secretary to enter into an agreement with the Rio Grande Water Conservation District to deliver water on a temporary basis to wildlife areas in those years in which there is not enough water available to meet authorized needs. Requires the execution of contracts between the United States and local water users in Colorado providing for the repayment of an appropriate share of construction costs and for payment of operation and maintenance costs for certain priority water delivery.

Increases authorized appropriations for the construction of the Closed Basin Division of the San Luis Valley project, Colorado, and limits the amount which may be indexed to account for increased costs. Requires the Secretary to enter into an agreement with Colorado for the payment of certain construction costs.

Authorizes the Secretary of the Interior to undertake the design and construction of additional gunite lining on the Bessemer Ditch in the vicinity of Pueblo, Colorado. Authorizes appropriations for the Federal share of costs, provided that non-Federal interests make cash or in-kind contributions in an amount equal to 22 percent of the total costs of the design and construction of such additional lining. Authorizes the Secretary to contract with the Bessemer Irrigation Ditch Company for the design and construction at cost of such additional gunite lining.