Water levels in Lake Powell dropped to a record low Tuesday, with continued pressure from climate change and steady demand pushing the nation’s second-largest reservoir to the lowest level since it was first filled in the 1960s.
Eric Balken, executive director of Glen Canyon Institute, walks along a sandbar once submerged by Lake Powell. As the reservoir drops to record lows, areas that were underwater for decades have begun to emerge.
At minimum power pool, water would drop below the intakes that pull water into hydroelectric turbines, allowing air pockets to enter the equipment. That could create tiny bursts of air, part of a process called “cavitation,” and damage the turbines. Eric Balken, executive director of the environmental advocacy group Glen Canyon Institute, said Lake Powell would likely be “well below” minimum power pool by now if not for the“I think decision makers are trying so hard to prop up Lake Powell because they’re really afraid of the infrastructure problems at the dam when it operates below power pool,” Balken said. “And I don’t think it’s necessarily all about hydropower.
With those threats looming, the federal government began a process to cut water releases from Lake Powell in 2023 and 2024. As it considers a supplemental environmental impact statement to codify those reductions, Reclamation asked the seven states that use the river’s water for suggestions on how to spread the pain of cutbacks.that would conserve 1.5 million acre-feet of water for each of the next two years.
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