State officials may have solved the puzzle of how zebra mussels got into the Colorado River. On July 3, Colorado Parks and ...

CPW coordinates efforts to combat invasive zebra mussels in Colorado, using a copper-based molluscicide and intensive river ...

Arizona officials are celebrating the passage of new groundwater legislation, but setting their sights on upcoming Colorado ...

The U.S. Bureau of Reclamation should start planning to modify the Glen Canyon Dam, which plugs the Colorado to form Lake ...

The lines in the sand haven't changed, even if warring states are working on a new deal to save the Colorado River.

The suspect, a sheriff's sergeant, was arrested on suspicion of drunken boating. The 38-year-old victim is survived by a wife ...

As Colorado River states race to finish a deal, water users face a resource altered by drought and climate change.

An off-duty San Bernardino County sheriff's sergeant who was once honored for heroism is now under criminal investigation, ...

A new, meager water supply forecast is making waves along the Colorado River’s multibillion-dollar recreation industry, too.

To understand the predicament in the Republican River Basin of eastern Colorado, you need to appreciate the volume of water ...

Meanwhile, the states that rely on the Colorado River for their water supply — Utah, Wyoming, Colorado, New Mexico, Arizona, Nevada and California — are up against a 2026 deadline, when the ...