Lake Powell reaches historic low, threatening water supply and power generation

Lake Powell, a key reservoir on the Colorado River, recorded an elevation of 3,519.91 feet, slipping below the prior record from April 2023. The water level has fallen more than 20 feet since the start of the year and sits roughly 30 feet above the cutoff where its hydroelectric turbines stop generating electricity. Federal officials cautioned in April that a "major intervention" might be needed to keep the lake from hitting that threshold before the end of the year.

This development comes just days after Lake Mead also hit a historic low, intensifying the water-shortage crisis that affects over 40 million people across seven western states. The U.S. Bureau of Reclamation has proposed a decade-long plan that could impose significant water cuts on California, Arizona and Nevada. The shrinking lake has forced marinas to modify boat ramps, relocate facilities, or temporarily move operations to deeper water, disrupting local tourism and recreation.