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

Chatfield Reservoir’s $171M redo complete, with new storage for Front Range cities, farmers

Chatfield Reservoir, one of the largest liquid playgrounds in the Denver metro area, will now store water under a $171 million deal.

Special Report: Colorado, New Mexico struggle to save the blistered Rio Grande, with lessons...

Cities in New Mexico and Colorado are juggling water scarcity concerns over the Rio Grande.
Low water levels Aug. 18 at Dillon Reservoir expose sand rings around the lake's islands.

Dillon Reservoir water levels hold on despite statewide drought

Amid one of the hottest summers on record for Colorado, Dillon Reservoir is 94% full, nearly 5 feet below its capacity. This level of drought has been manageable this year for Denver Water partly because of the 2018-19 winter.
Yampa River at Hayden

Water released from Elkhead Reservoir lifts call on Yampa River

The second-ever call on the Yampa River was lifted after water providers announced an Elkhead Reservoir water release to support irrigators and endangered fish.

Photos: Colorado River and tributaries, April 2019

This photo gallery features images shot during a road trip along the Colorado River and two of its tributaries in Colorado: the Blue River and White River. DateApril...

Floating down the San Joaquin River

The highly altered waterway still harbors stretches of wild beauty.

Can the Ancient Humpback Chub Hang On in Today’s Grand Canyon?

It has survived invasive predators, too-cold water, poisoning, electro-shocks, and a ginormous dam. Still, the chub persists.

As more sanitation districts test wastewater for COVID-19, questions remain on interpreting the data

Wastewater can inform public health departments of new variants in the community, but the data collected is still inconclusive.

As a Colorado aquifer runs low, dangerous heavy metals threaten rural communities’ drinking water

In the San Luis Valley, the ongoing megadrought and a record-low snowpack are draining groundwater and increasing its concentrations of toxic metals. There are few protections for residents drinking from private wells.
Homestake Reservoir photo 1

Homestake Reservoir release proves tricky to track

Front Range water providers released water downstream to test how to get it to the state line in the event of a Colorado River Compact call.