Upper Missouri River Basin sedimentation

(a) Comprehensive study (1) In general The Secretary shall conduct a comprehensive study to identify the core sedimentation issues in the Upper Missouri River Basin. (2) Recommendations In conducting the study under this subsection, the Secretary may develop recommendations for— (A) the construction of a water resources development project; (B) the structural or operational modification of existing water resources development projects, except as provided in subsection (f); (C) monitoring or adaptive management measures for water resources development projects to respond to changing conditions in the Upper Missouri River Basin; (D) additional studies focusing on specific geographic areas within the Upper Missouri River Basin; (E) management plans and actions, to be carried out by responsible Federal agencies, to address or reduce sedimentation in the Upper Missouri River Basin; and (F) further research on issues with respect to which data or current technology does not allow for immediate solutions. (b) Continuation of study The following studies shall be considered a continuation of the study conducted under subsection (a): (1) Any study recommended to be carried out in a report that the Chief of Engineers prepares for the study conducted under subsection (a). (2) Any additional study recommended under subsection (a)(2). (3) Any study spun off from the study conducted under subsection (a), or from an additional study recommended under paragraph (2) of such subsection, before the completion of such study. (c) Use of existing data In conducting the study under subsection (a), and in carrying out any study pursuant to subsection (b), the Secretary shall, to the maximum extent practicable and where appropriate, make use of existing data provided to the Secretary by any applicable Federal, State, and local agency, Indian Tribe, non-Federal interest, or other stakeholder, or from any relevant multistate monitoring program. (d) Costs (1) Limitation The total cost of the study conducted under subsection (a) shall not exceed $25,000,000. (2) Federal share The Federal share of the cost of the study conducted under subsection (a) and any study carried out pursuant to subsection (b) shall be 65 percent. (e) Deadline Not later than 5 years after the date of enactment of this Act, the Secretary shall submit to the Committee on Transportation and Infrastructure of the House of Representatives and the Committee on Environment and Public Works of the Senate a report that contains the results of the study conducted under subsection (a), including any recommendations developed under paragraph (2) of such subsection. (f) Prohibition In conducting the study under subsection (a), and in carrying out any study pursuant to subsection (b), the Secretary may not consider any changes to the Missouri River Basin Mainstem Reservoir System Master Water Control Manual.