; (C) that has been identified as part of a Bureau of Reclamation basin study pursuant to subtitle F of title IX of Public Law 111–11 ( 42 U.S.C. 10361 et seq.) to increase water supply for the Pacific Northwest Region; and (D) an improvement to which would contribute to the flow of interstate water. (2) Authorization of appropriations There is authorized to be appropriated to carry out this subsection $75,000,000. 3. Modification of purposes and definitions (a) Purposes Section 1201 of Public Law 103–434 (108 Stat. 4550) is amended— (1) by striking paragraph (1) and inserting the following: (1) to protect, mitigate, and enhance fish and wildlife and the recovery and maintenance of self-sustaining harvestable populations of fish and other aquatic life, both anadromous and resident species, throughout their historic distribution range in the Yakima Basin through— (A) improved water management and the constructions of fish passage at storage and diversion dams, as authorized under the Hoover Power Plant Act of 1984 ( 43 U.S.C. 619 et seq.); (B) improved instream flows and water supplies; (C) improved water quality, watershed, and ecosystem function; (D) protection, creation, and enhancement of wetlands; and (E) other appropriate means of habitat improvement; ; (2) in paragraph (2), by inserting , municipal, industrial, and domestic water supply and use purposes, especially during drought years, including reducing the frequency and severity of water supply shortages for pro-ratable irrigation entities before the semicolon at the end; (3) by striking paragraph (4); (4) by redesignating paragraph (3) as paragraph (4); (5) by inserting after paragraph (2) the following: (3) to authorize the Secretary to make water available for purchase or lease for meeting municipal, industrial, and domestic water supply purposes; ; (6) by redesignating paragraphs (5) and (6) as paragraphs (6) and (8), respectively