On July 3, Colorado Parks and Wildlife officials discovered a large number of adult zebra mussels in a privately owned body of water in western Eagle County.

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

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

Colorado's top negotiator said the Bureau of Reclamation must shrink the share of water heading to California, Nevada and ...

The "iconic and magical" cottonwood trees are the keystone species of the plant world and they're disappearing from Utah riverbanks. Scientists are trying to protect thembut budget freezes by ...

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

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

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

The Bureau of Reclamation is looking at how much water would flow to the Lower Basin states of California, Nevada and Arizona ...

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

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

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