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

Gross Dam aerial. Photo by Mitch Tobin

Photos: Gross Reservoir aerials, May 2019

This photo gallery features images shot during a Lighthawk aerial photo flight over Gross Dam and Reservoir, west of Boulder. Denver Water has proposed raising the dam by 131...

Special Report: Climate change is sapping Colorado’s water supplies. Can its hallmark water law...

Colorado’s “first-in-time, first-in-right” prior appropriation doctrine is coming under increasing scrutiny as rivers and reservoirs dry out.

Colorado water users, environmentalists brace for changes as EPA, Supreme Court weigh wetland rules

The Supreme Court is reevaluating the Clean Water Act's standards for wetland protection, which could affect the health of Colorado waterways.

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.
An aerial view of the Colorado State Capitol photo

Turf replacement, wildfire, groundwater sustainability funding among water wins as Colorado legislative session ends

The Colorado General Assembly passed bills concerning groundwater, wildfire mitigation, watershed restoration, turf replacement and more.

The delicate dance of Dillon Reservoir during spring runoff

Managing how water moves from one side of the Continental Divide to the other requires cautious timing and accurate forecasting.

Denver investment fund raising $5M for water tech startups

The Denver-based Colorado River Basin Fund is raising $5 million to help promising new water technology companies bring their wares to market.
This Parshall flume on Red Mountain photo.

Pitkin County agrees to fund ditch piping project

The Pitkin County Board of County Commissioners has approved funding toward a ditch piping project to keep more water in Hunter Creek.
City Park in Denver

Even in a pandemic, drought drives water use along the Front Range

Municipal water providers saw commercial water use plummet at the beginning of the pandemic but those savings were erased once the hot summer rolled in.

Degrees of warming: How a hotter, thirstier atmosphere wreaks havoc on water supplies in...

Colorado's Pitkin County is grappling with higher temperatures, declining streamflows and drier soils caused by climate change.