Geography

Farmers, large and small, are beginning to grapple with what the state’s first major groundwater regulation means for them.

Colorado water officials hope to combat algae blooms caused by rising temperatures and an increased use of phosphorus-laced lawn fertilizers.

This page feature drone-captured imagery and ground-based photos of Bill Williams River National Wildlife Refuge and Parker Strip, both located along the Colorado River and the Arizona-California border. The Bill...

Some water experts say unrealistic projections make it harder to plan for a future under climate change.

The site where Ute Water plans to build Owens Creek Reservoir at 8,200 feet on the Grand Mesa was snow covered by mid-November. The Western Slope’s largest domestic water...

Colorado lawmakers approved bills to help finance the Colorado Water Plan, protect watersheds, mitigate wildfires and recover from drought.

This page features photos of Blue Mesa Reservoir, along the Gunnison River in Colorado's Curecanti National Recreation Area. Created by 390-foot Blue Mesa Dam, the reservoir has a capacity of 829,500 acre-feet, making it...

This page features aerial photos of the northern end of Lake Powell in Utah. Lake Powell is the second-largest reservoir in the nation by capacity and began to fill with...

Colorado Stone Quarries must rehabilitate streams they illegally diverted in 2018, but some say even more needs to be done.

As California’s seasons become warmer and drier, state officials are pondering whether the water rights permitting system needs revising.