Lake Powell and Mead Hit Record Lows, Threatening Southwest Water and Power

The combined water storage of Lake Powell and Lake Mead has fallen to its lowest level on record, marking a critical moment in the Colorado River crisis. On July 12, 2026, the two reservoirs hit a combined low not seen since 1957, with Lake Powell 23% full and Lake Mead 27% full. Source: CNN, AP

The stakes

The Colorado River provides water for 40 million people and irrigates 5 million acres of farmland across seven states. Source: AP, LA Times Lake Powell could drop to minimum power pool by spring 2027, threatening hydropower generation at Glen Canyon Dam. Source: CNN, LA Times

Causes

The record low is driven by a record-dry winter, extreme heat, chronic drought, and overuse. Source: AP Research shows global warming has intensified dry conditions; river flow has averaged 32% less since 2020. Source: LA Times

What's next

Experts predict daily record lows through spring runoff. Source: CNN, LA Times States remain deadlocked on water cuts; the Trump administration may mandate reductions. Source: LA Times