Projections for Lake Powell's surface elevation
In early March 2026, the U.S. Bureau of Reclamation's "most probable 24-month projections" for Lake Powell's surface elevation showed the reservoir could dip below the minimum level required for producing hydropower at Glen Canyon Dam late in the year.
Chart shows government's "most probable 24-month projections" for Lake Powell's surface elevation dipping below the minimum needed to produce hydropower.
