Part of the mining operations at the marble quarry as seen from a path above the quarry in September 2021. The quarry operators will have to comply with 10 special conditions as part of their permit from the U.S. Army Corps of Engineers.

Marble quarry must build bridge, culvert and improve stream for Clean Water Act violation

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

Western U.S. snowpack is worth trillions of dollars

Putting a price tag on the water stored in the region’s high-elevation frozen reservoir

Colorado Water Plan turns five: Is it working?

Drought, growth, climate change, budget cuts, wildfires and competing demands for water are among the challenges facing the Colorado Water Plan.
A large elevation differential is a crucial feature of the proposed Carrizo Four Corners project. The project's upper reservoir would be located at the top of the Carrizo Mountains, seen here on Navajo Nation land near Beclabito.

Massive energy storage project eyed for Four Corners region

BECLABITO, N.M. – Standing in a breezy parking lot on Navajo land in the state’s far northwest corner, Tom Taylor looked toward the western...

When flows are low, river recreators seek out new allies and avoid making enemies

What used to be a calm stretch of the Yampa River near Craig, Colorado, now boasts a new set of rollicking whitewater rapids.  They’re not...
Arizona Public Media

Video: The vanishing vaquita

Should Colorado River water be used to grow alfalfa or subdivisions in the Phoenix metropolitan area?

Drone videos and photos: Colorado River near Bond, Colorado December 2019

This page features drone footage and still imagery of the Colorado River near Bond, Colorado. From Kremmling to Dotsero, the Colorado River passes through...

Photos: Fraser River, Moffat Tunnel and Gross Reservoir

This page features photos of the Moffat Tunnel at the Winter Park Ski Resort, the Fraser River outside of Granby, Colorado, and Gross Reservoir...

Glen Canyon Dam faces its existential moment

PAGE, Ariz. – In the span of U.S. history certain years are turning points, milestones in the nation’s story. 1776. 1865. 1929. 1968. Circumstance...

Program expanding to map Colorado mountain snowpack

Front Range water providers hope to expand a program that uses a new technology they say will revolutionize water management in Colorado.