US SB3743

Secretary of the Interior must conduct a feasibility study on a selective water withdrawal system at Glen Canyon Dam to optimize hydropower generation when releasing cold water while preventing entrainment of invasive species.

Study must be completed within 18 months of enactment and include all hydrological modeling, with consultation from the Secretary of Energy and Colorado River Storage Project power contractors.

If the study finds a system alternative feasible under reclamation laws and power contractors concur, the Secretary may proceed with compliance and construction of the chosen alternative.

Federal appropriated funds will cover study costs, and these funds are nonreimbursable and nonreturnable; funding sources must be identified within 90 days of enactment.

Does not affect post-2026 Colorado River reservoir operations guidelines and strategies for Lake Powell and Lake Mead.