PUBLIC LAW 102-575—OCT. 30, 1992 106 STAT. 4677 (1) invalidate or preempt State water law or an interstate compact governing water; (2) alter the righte of any State to any appropriated share of the waters of any body of surface or groundwater, whether determined by past or future interstate compacts or by past or future legislative or final judicial allocations; (3) preempt or modify any State or Federal law or interstate compact dealing with water quality or disposal; or (4) confer upon any non-Federal entity the ability to exercise any Federal right to the waters of any stream or to any groundwater resources. SEC. 1910. USE OF GOVERNMENT FAdLTTIES. The use of and connection of water system facilities to Government facilities at the Oahe powerhouse and pumping plant and their use for the purpose of supplying water to the water system may be permitted to the extent that such use does not detrimentally affect the use of those Government facilities for the other purposes for which they are authorized. SEC. 1911. AUTHORIZATION OF APPROPRIATIONS. (a) WATER SYSTEM. — There is authorized to be appropriated to the Secretary $100,000,000 for the planning and construction of the water system under section 1903, plus such sums as are necessary to defray increases in development costs reflected in appropriate engineering cost indices after October 1, 1989, such sums to remain available iiinder expended. (b) WETLAND COMPONENT. —There are authorized to be appropriated to the Secretary— (1) $2,756,000 for the initial development of the wetland component under section 1904; and (2) such sums as are necessary for the operation and maintenance of the wetland component, not exceeding $100,000 annually, under section 1904; TITLE XX—LAKE ANDES-WAGNER/MARTY II, SOUTH DAKOTA SEC. 2001. SHORT TITLE. This title may be cited as the "Lake Andes-Wagner/Marty II Act of 1992". SEC. 2002. DEMONSTRATION PROGRAM. (a) The Secretary, acting pursuant to existing authority under the Federal reclamation laws, shall, through the Bureau of Reclamation, and in coordination with the Secretary of Agriculture and with the assistance and cooperation of an oversight committee consisting of representatives of the Bureau of Indian Affairs, Department of Agriculture, Environmental Protection Agency, United States Fish and Wildlife Service, United States Geological Survey, South Dakota Department of Game, Fish and Parks, South Dakota Department of Water and Natural Resources, Yankton- Sioux Tribe, and the Lake Andes-Wagner Water Systems, Inc., carry out a demonstration program (hereineifter in this title the "Demonstration Program") in substantial accordance with the "Lake Andes-Wagner-Marty II Demonstration Program Plan of Study," dated May 1990, a copy of which is on file with the Committee Lake Andes- Wagner/ Marty II Act of 1992. Agriculture. Irrigation.