• Lake Mead's rising temperatures, driven by drought and climate change, threaten local water treatment systems.
• Warmer water from Lake Powell exacerbates the temperature issues in Lake Mead, impacting 40 million people reliant on the Colorado River system.
• Projected temperature increases of 10.8°F (6°C) in Lake Mead's inflows will challenge water treatment and hydropower generation at Hoover Dam.