use not more than $602,619,000 to implement requirements of Indian water settlement agreements that are approved by Congress (or the legislation to implement such an agreement) under which the United States shall plan, design, rehabilitate, or construct, or provide financial assistance for the planning, design, rehabilitation, or construction of, water supply or delivery infrastructure that will serve an Indian tribe (as defined in section 4 of the Indian Self-Determination and Education Assistance Act (
25 U.S.C. 450b));
1 and