Arizona will again go without 18% of its total Colorado River allocation, while Mexico loses 5%. The reduction for Nevada — ...

California shoots pointed words at states upriver, as negotiators struggle toward sharing supplies. Without a deal, the Trump Administration will step in.

After one of the Colorado River’s driest years in decades, Lake Mead and Lake Powell — the largest reservoirs in the country ...

The National Park Service is shutting down Lake Powell’s Wahweap Main Launch Ramp on Monday, Aug. 18, as water levels decline.

The Colorado River is in an "unprecedented drought," putting pressure on state leaders and limiting recreation access for ...

Health officials are alerting hundreds of people who may have been exposed to rabies in bat-infested cabins at Wyoming's ...

New data from the Bureau of Reclamation puts the river and its reservoirs in formal shortage conditions. Policymakers are ...

Federal officials announced Friday they would continue water allocation cuts on the Colorado River for the fifth consecutive ...

The conditions are right for harmful blue-green algae blooms (HABs) to form, and they have already been spotted in some coves ...

Lake Mead, the main water source for Las Vegas and all of Southern Nevada, may drop to its lowest level ever in 2027.