text: SECTION 1. AMENDMENTS RELATED TO SUPPLEMENTAL WATER SUPPLY AND FUNDING.
  
      (a) Supplemental Water Supply.--Section 106(a) of the San Luis Rey 
  Indian Water Rights Settlement Act (Public Law 100-675; 102 Stat. 4000) 
  is amended to read as follows:
      ``(a) Obligation To Arrange for Development of Water for Bands and 
  Local Entities.--
              ``(1) To provide a supplemental water supply for the 
          benefit of the Bands and the local entities, subject to the 
          provisions of the settlement agreement, the Secretary shall--
                      ``(A) arrange for the development of not more than 
                  16,000 acre-feet per year of supplemental water from 
                  public lands within the boundaries of the State of 
                  California outside the service area of the Central 
                  Valley Project;
                      ``(B) obtain not more than 16,000 acre-feet per 
                  year either from water conserved by the works 
                  authorized in title II, or through contract with the 
                  Metropolitan Water District of Southern California; or
                      ``(C) construct that portion of the works 
                  authorized in title II that is necessary to conserve 
                  16,000 acre-feet of water per year, and arrange to 
                  deliver such water to the Bands and the local entities 
                  by exchange or through contract with the Metropolitan 
                  Water District of Southern California and other parties 
                  with conveyance facilities.
              ``(2) Except as provided in subsection (d)(3), the right to 
          the 16,000 acre-feet of water per year provided pursuant to 
          paragraph (1) shall be held in perpetuity by the United States 
          in trust for the San Luis Rey Indian Water Authority and shall 
          be subject to the provisions of this title and of the 
          settlement agreement governing the use and disposition of 
          supplemental water. The use of such water shall not be subject 
          to the provisions of section 204. Nothing in this section or 
          any other provision of this title shall authorize the 
          construction of any new dams, reservoirs, or surface water 
          storage facilities.''.
      (b) Authorization of Appropriations.--Section 106(d) of such Act is 
  amended to read as follows:
      ``(d) Cost of Developing and Delivering Water.--
              ``(1) Use of federal funds.--There are authorized to be 
          appropriated such funds as may be necessary to construct that 
          portion of the works authorized in title II that is necessary 
          to conserve 16,000 acre-feet of water per year. Neither the 
          costs of delivering supplemental water nor the costs of 
          operating, maintaining, and replacing the works necessary to 
          conserve 16,000 acre-feet of water per year once those works 
          have been constructed shall be borne by the United States, and 
          no Federal appropriations are authorized for those purposes.
              ``(2) Operation and maintenance determination.--The 
          Secretary shall determine the impact of the works constructed 
          pursuant to subsection (a)(1)(C) on the cost of operation and 
          maintenance and the existing regulating and storage capacity of 
          the All American Canal and its Coachella Branch. If the works 
          result in any added operation and maintenance costs which 
          exceed the benefits derived from increasing the regulating and 
          storage capacity of the canals to the Imperial Irrigation 
          District or the Coachella Valley Water District, the Indian 
          Water Authority and the local entities shall reimburse the 
          agency which experiences such additional costs on an annual 
          basis pursuant to the Secretary's determination.
              ``(3) Obligation to maintain conservation provided by 
          works.--The right to 16,000 acre-feet of water per year 
          obtained by the construction of the works described in 
          subsection (a)(1)(C), although perpetual in nature, is subject 
          to the works described in subsection (a)(1)(C) being 
  maintained so as to continue to conserve 16,000 acre-feet of water per 
  year as compared to the situation that existed prior to the 
  construction of those works. The Secretary shall determine the amount 
  of water so conserved by said works on an ongoing basis, and shall 
  allow said water to be delivered to the Indian Water Authority and the 
  local entities only to the extent that said water has actually been so 
  conserved by said works.''.
      (c) Limitation on Funds.--Section 203(e)(1) of such Act is amended 
  to read as follows:
              ``(1) Except as provided in section 106(d), no Federal 
          funds may be used for construction of the works described in 
          subsection (a)(1).''.
      (d) Beneficial Use in California.--Section 204(b) of such Act is 
  amended to read as follows:
      ``(b) Beneficial Use in California.--
              ``(1) The water identified in subsection (a) (other than 
          that provided pursuant to section 106(a)) shall be made 
          available, subject to the approval requirement established in 
          section 203(c)(3), for consumptive use by California 
          Contractors within their service areas according to their 
          priorities under the Seven Party Agreement.
              ``(2) If the water made available under paragraph (1) is 
          used during the term of the funding agreements by a California 
          Contractor other than a Participating Contractor, or a 
          Participating Contractor in an amount in excess of its 
          proportionate share as measured by the amount of its 
          contributed funds in relation to the total contributed funds, 
          such contractor shall reimburse the Participating Contractors 
          in an amount equal to the sum of--
                      ``(A) the annualized amounts of their respective 
                  contributions which funded the conservation of water so 
                  used;
                      ``(B) any added costs of operation and maintenance 
                  as determined in section 203(b); and
                      ``(C) related mitigation costs under section 
                  203(a)(2).
              ``(3) Reimbursements made pursuant to paragraph (3) shall 
          be based on the costs each Participating Contractor incurs in 
          contributing funds, its total contribution, and the life of the 
          works.''.
target: Amends the San Luis Rey Indian Water Rights Settlement Act to direct the Secretary of the Interior, as an alternative by which to provide a supplemental water supply for the benefit of certain Mission Indian Bands in San Diego County, California, and the City of Escondido, California, the Escondido Mutual Water Company, and the Vista Irrigation District (local entities) to construct that portion of the All-American Canal Lining that is necessary to conserve 16,000 acre-feet of water per year and arrange to deliver such water to the Bands and such local entities by exchange or through contract with the Metropolitan Water District of Southern California and other parties with conveyance facilities.  Requires the right to such water to be held in perpetuity by the United States in trust for the San Luis Rey Indian Water Authority subject to such Act and the settlement agreement governing the use and disposition of supplemental water.  Authorizes appropriations for such construction, but prohibits Federal funding for operating, maintenance, or replacement costs.  Directs the Secretary to determine the impact of such works constructed on the cost of operation and maintenance and the existing regulating and storage capacity of the All-American Canal and its Coachella Branch. Requires, if the works result in any added operation and maintenance costs which exceed the benefits derived from increasing the regulating and storage capacity of the canals to the Imperial Irrigation District or the Coachella Valley Water District, the Indian Water Authority and the local entities shall reimburse the agency which experiences such additional costs on an annual basis pursuant to the Secretary's determination. 
  States that the right to 16,000 acre-feet of water per year obtained by such construction is subject to such works being maintained so as to continue to conserve 16,000 acre-feet of water per year as compared to the situation that existed prior to the construction.  Provides for the Secretary to determine the amount of water so conserved on an ongoing basis and to allow only such water as has actually been conserved to be delivered to the Indian Water Authority and the local entities.
feat_title: To amend the San Luis Rey Indian Water Rights Settlement Act, and for other purposes.