Lake Mead, the lifeblood of the West, is at an all-time low. And just this week, officials said it will fall by one-third of its current level by the end of 2023. Inch by inch, the lake is falling…. The falling lake level was anticipated, but how fast it’s dropping is the current problem. For Pat Mulroy, that means she’s “very worried.” She led the Southern Nevada Water Authority for nearly 30 years, and now she’s the senior fellow for climate adaptation and environmental policy at the UNLV Boyd School of Law.