43 U.S.C. § 390h–8

(a) General authority The Secretary is authorized, in cooperation with the State of Colorado and appropriate local and regional entities, to conduct a study to assess and develop means of reclaiming the waters of Lake Cheraw, Colorado, or otherwise ameliorating, controlling and mitigating potential negative impacts of pollution in the waters of Lake Cheraw on groundwater resources or the waters of the Arkansas River. (b) Federal share The Federal share of the costs of the study authorized by this section shall not exceed 50 per centum of the total. (c) Report The Secretary shall submit the report authorized by this section to the Committee on Energy and Natural Resources of the Senate and the Committee on Natural Resources of the House of Representatives not later than two years after appropriation of funds authorized by sections 390h to 390h–39 of this title.