106 STAT. 4668 PUBLIC LAW 102-575—OCT. 30, 1992 to treat approximately one hundred and twenty thousand acrefeet per year of effluent from the city and county of Los Angeles, in order to provide new water supplies for industrial, environmental, and other beneficial purposes, to reduce the demand for imported water, and to reduce sewage effluent discharged into Santa Monica Bay. (b) The Secretary share of costs associated with the project described in subsection (a) shall not exceed 25 per centum of the total. The Secretary shall not provide funds for operation or maintenance of the project. 48 USC 390h-12. SEC. 1614. SAN GABRIEL BASIN DEMONSTRATION PROJECT. (a) The Secretary, in cooperation with the Metropolitan Water District of Southern California and the Main San Gabriel Water Quality Authority or a successor public agency, is authorized to participate in the design, planning and construction of a coi\jimctiveuse facility designed to improve the water quality in the San Gabriel groiuidwater basin and allow the utilization of the basin as a water storage facility; Provided, That this authority shall not be construed to limit the authority of the United States under any other Federal statute to pursue remedial actions or recovery of costs for work performed pursuant to this subsection. (b) The Secretary's share of costs associated with the project described in subsection (a) shall not exceed 25 per centum of the total. The Secretary shall not provide funds for the operation or maintenance of the project. 43 USC 390h-13. SEC. 1615. AUTHORIZATION OF APPROPRIATIONS. There are authorized to be appropriated such sums as may be necessary to carry out the purposes and provisions of sections 1601 through 1614 of this title. 43 USC 390h-14. SEC. 1616. GROUNDWATER STUDY. (a) In furtherance of the High Plains Groundwater Demonstration Program Act of 1983 (98 Stat. 1675), the Secretary of the Interior, acting through the Bureau of Reclamation and the Geological Survey, shall conduct an investigation and analysis of the impacts of existing Bureau of Reclamation projects on the Reports. quality and quantity of groundwater resources. Based on such investigation and analysis, the Secretary shall prepare a reclamation groundwater management and technical assistance report which shall include— (1) a description of the findings of the investigation and analysis, including the methodology employed; (2) a description of methods for optimizing Bureau of Reclamation project operations to ameliorate adverse impacts on groundwater, and (3) the Secretary's recommendations, along with the recommendations of the Governors of the affected States, concerning the establishment of a groundwater management and technical assistance program in the Department of the Interior in order to assist Federal and non-Federal entity development and implementation of groundwater management plans and activities. (b) In conducting the investigation and analysis, and in preparation of the report referred to in this section, the Secretary shall consult with the Governors of the affected States.