The purpose of this legislation is to direct 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, specifically the prevention of invasive species from being released into the water. Key provisions of the legislation include the requirement for the Secretary of the Interior to carry out a comprehensive feasibility study that includes hydrological modeling. This study must be completed within 18 months of the law being enacted.