Lake Mead

Lake Mead, the largest reservoir in the United States, has plummeted to its lowest water level since it was filled some 90 years ago, another sign of the crisis plaguing the Colorado River system.

Millions remain under strict water restrictions because of historic drought. Failing to conserve could mean empty reservoirs, and even harsher restrictions.

The proposals range from "no action" to a scenario that might result in water cuts to the lower-basin states, including Arizona. One option would incentivize states and water users to proactively conserve the river.

Negotiators missed a deadline to reach an agreement on Colorado River allocations, spurring a bipartisan call to action from Arizona leaders to the U.S. Department of the Interior.

A new report from Colorado River researchers found water levels at the nation’s two largest reservoirs are dropping fast and on track for dire consequences.

A group of environmental advocates sent a petition to the federal government with a simple, seemingly obvious message: Ensure that water from the Colorado River is only being delivered for reasonable and beneficial uses.

President Donald Trump froze billions of dollars from the Inflation Reduction Act that was designed to protect water supplies for cities, farms and tribes.

The Imperial Irrigation District in California is the Colorado River's largest water user. A new conservation plan will spend hundreds of millions to save water, but environmental advocates raised concerns.

The U.S. Bureau of Reclamation has finalized its guidance for protecting water levels in Lake Powell and Lake Mead.

Park rangers at Lake Mead National Recreation Area are looking for “two vandalism suspects” after a video of two men damaging rock formations went viral.