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

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

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

Water managers and state wildlife officials last year hoped the discovery of a microscopic zebra mussel larva in the Colorado ...

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

A judge has sided with a Western Slope water district in a dispute with Denver Water over a problem dam in Grand County. In ...

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

Nebraska officials on Wednesday announced a lawsuit against Colorado, alleging the Centennial State is allowing “unlawful water diversions” from a transboundary resource. Nebraska Gov. Jim Pillen (R) ...

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 ...