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

Streamflows in southern half of upper Colorado River basin declining faster

New climate data shows a north/south split in streamflow declines in the Colorado River Basin.

Scientists studying water supply focus on weeks following peak snowpack

Water managers in the Colorado River Basin are gaining a better understanding that what happens in the weeks after peak snowpack.

Upper Colorado River states add muscle as decisions loom on the shrinking river’s future

Upper basin states seek added leverage to protect their river shares amid difficult talks with California and the lower basin

Can New Mexico’s Ancient Water System Survive Climate Change?

Traditional irrigation canals, or acequias, could help balance the water supply during droughts — if they are protected.

The surprising connection between West Coast fires and the volatile chemicals tainting America’s drinking...

Manufactured substances known as volatile organic compounds contaminate drinking water around the U.S. — and recent wildfires are making the situation worse.

Despite blizzard, Colorado’s critical mountain snowpack shrinks

Colorado remains mired in drought, with nearly half classified as being extremely or exceptionally dry, the most dangerous categories.

Decision looms on Holy Cross reservoir exploration permit

The U.S. Forest Service said it is just weeks away from deciding whether a high-profile request to explore the geological feasibility of a new reservoir site in Colorado’s Eagle County should be granted.

The value of water

With population growth around Denver prompting fierce competition for water, investors want to import a new supply from the San Luis Valley, but many farmers and ranchers who depend...
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.

Shoshone power plant outages concern Glenwood Canyon water users

It has been a rough year for the Shoshone hydropower plant in Glenwood Canyon. First, ice jammed the plant’s spillway; then a wildfire burned down its transmission lines.