Colorado River faces critical water shortage amid drought

The Colorado River, a vital water source for the southwestern United States and northwestern Mexico, is facing a critical shortage. Approximately 95% of its basin is currently experiencing drought conditions due to prolonged dry spells, record summer temperatures, and historically low snowfall. This has pushed major reservoirs, including Lake Mead and Lake Powell, to their lowest levels since 1957.

Management of the river is complicated by expiring water-sharing regulations set to end in late 2026. The seven U.S. states involved—California, Arizona, Nevada, Colorado, Utah, New Mexico, and Wyoming—have failed to reach a consensus on necessary cuts. While lower basin states like California, Arizona, and Nevada have accepted significant reductions, upper basin states argue they have historically used less water. In response to the lack of agreement, the U.S. federal government has implemented its own management framework, a move that has prompted legal challenges from states such as Nevada.

On an international level, the U.S. and Mexico have signed rules for 2027 and 2028. Under this agreement, Mexico will reduce its annual consumption by approximately 308 million cubic meters when reservoir levels are low, in exchange for increased flexibility to accumulate water. Meanwhile, the U.S. has committed to reducing water consumption in Arizona, California, and Nevada by 1.542 billion cubic meters annually and acting as a water bank for Mexico. Agriculture remains the primary driver of water usage, accounting for roughly 74% of the river's consumption.