Geography

The U.S. Forest Service approved an application from the cities of Aurora and Colorado Springs for geotechnical drilling in the Homestake Valley, one of the first steps toward building a new dam and reservoir on Homestake Creek.

This page features drone-captured imagery of the Blue River, north of Silverthorne, Colorado. A tributary of the Colorado River, the Blue River runs for 65 miles and offers Gold...

Water recycling, conservation programs and repair of leaky reservoirs and pipelines will help restore the Colorado River, according to federal officials.

The Trump administration’s new definition of “waters of the United States” dramatically shrinks federal protection of many wetlands and waterways under the Clean Water Act. The rule change cuts red tape for farmers and developers but could threaten ecosystems and drinking water, especially in the arid West.

The city of Aspen is hoping some grant money can help it collect more data on snow and streams in the high country so it can better predict and plan for droughts.

A science panel argues for a new approach to make research nimbler and more forward-looking to improve management in the ailing Delta.

A $1 million science experiment on Colorado hay fields is backed by powerful water groups, farm interests, and environmentalists.

This page features drone-captured footage and photos of the Colorado River, near Radium, Colorado. The imagery shows the Colorado River after it emerges from Gore Canyon, a popular whitewater rafting...

Aspen’s new water resource plan outlines the strategy for creating emergency storage to address threats to existing supplies.

Colorado water quality regulators’ attempt to fast-track new rules shielding streams left unprotected by changes to the Clean Water Act was abandoned earlier this month after it failed to win support from lawmakers.