The main purpose of this legislation is to instruct the Secretary of the Interior to conduct a feasibility study for a selective water withdrawal system at Glen Canyon Dam. This system aims to improve hydropower generation while also addressing environmental concerns, particularly the prevention of invasive species in the water. Key provisions of the legislation include the requirement for the Secretary of the Interior to carry out a comprehensive feasibility study. This study will involve hydrological modeling and must be completed within 18 months of the law being enacted.