An initiative of the Center for Environmental Journalism at the University of Colorado Boulder

Chimney Hollow Reservoir under construction photo

Two new Colorado River reservoirs are rising on the Front Range, are they the...

Two new water storage projects designed to capture the flows of the Colorado River may represent the end of an era on the river.

Photos: Senator Wash and Squaw Lake, February 2021

This page features photos of Senator Wash Reservoir and Squaw Lake along the Lower Colorado River. Located just above Imperial Dam on the California/Arizona border, both Senator Wash and Squaw...

Opinions differ on timeline as Crystal River Wild & Scenic efforts move ahead

Urgency to designate the Crystal River in Colorado as Wild & Scenic varies among the river's advocates.

Emergency Colorado River rescue plan likely to include more Flaming Gorge releases, payments to...

Colorado, New Mexico, Utah and Wyoming may face requests for voluntary cutbacks in their use of Colorado River water next year.
Glen Canyon Dam photo

Recent drop in Lake Powell’s storage shows how much space sediment is taking up

A new study shows that sedimentation from the Colorado River means that Lake Powell's storage capacity is lower than previously believed.

Blue Mesa is threatened by a two-decade-long drought and downstream obligations

Experts say it will take a lot more than one snowy winter to refill the reservoir. 

Photos: Fishing on the Green River

This page features fishing on the Green River in Utah. The Green River flows through Wyoming, Utah and Colorado, running 730 miles downriver before connecting with the Colorado River. About...

Photos: Boulder Creek and Gross Reservoir

This page features photos of Gross Reservoir, Boulder Creek and the creek’s 2013 floods on Colorado’s Front Range. Located in Boulder County, Gross Reservoir was created as a water storage...
The confluence of the Colorado and Little Colorado rivers in the Grand Canyon, shown here in a September 2020 aerial photo from Ecoflight, represents an area where the humpback chub has rebounded in the last decade. That progress is now threatened by declining water levels in Lake Powell, which could lead to non-native smallmouth bass becoming established in the canyon. CREDIT: JANE PARGITER/ECOFLIGHT

Declining levels at Lake Powell increase risk to humpback chub downstream

Low levels and warming waters threaten to increase invasive species in the Colorado River.

Photos: Abiquiu Lake, March 2022

This page in our free multimedia library features photos of Abiquiu Lake, which impounds the Rio Chama in northwest New Mexico. Situated between the Sangre de Cristo and San Juan...