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

In the heart of the San Joaquin Valley, two groundwater sustainability agencies try to...

Agencies in two counties are pursuing different approaches to address overdraft and meet requirements of California’s groundwater law.

Streamflow forecast down for Roaring Fork despite above-normal snowpack

Although snowpack in the mountains near Aspen is hovering above normal for this time of year, streamflows in the Roaring Fork River are predicted to be just 85% of normal for April.

Photos: Granite Reef Diversion Dam aerials, June 2023

This page features aerial photos of Arizona's Granite Reef Diversion Dam, along the Salt River near Mesa. Completed in 1908, the dam is only 29 feet high but 1,000 feet long. It was...

Water flux and toxic wells – Water Buffs Podcast ep. 12 – Kathy James

On this episode of Water Buffs, we examine how drought can harm human health, specifically how dramatic fluctuations in water availability can lead to increasingly toxic water supplies.

Post-fire study finds snowpack melts earlier

Loss of forest canopy and deposition of ash alter forest hydrology

Photos: Fryingpan River, Colorado, December 2020

This page features photos of the Fryingpan River on Colorado's Western Slope near Basalt. The Fryingpan River is a tributary of the Roaring Fork River, which in turn flows into...

Photos: San Pedro River, Arizona

This page features photos of the San Pedro River in southeast Arizona, a hotspot for biological diversity. The San Pedro River originates about 10 miles below the international border, just...

Once a rich desert river, the Gila struggles to keep flowing

Population growth, agricultural withdrawals and climate change have badly diminished the river and threaten its future.

Grizzly Reservoir to be drained next summer for rehab work

The rehabilitation of Grizzly Dam addresses safety concerns of corroded steel, seepage and operational problems.
River kayaking photo

Conservation groups want recreation water right tied to natural river features

Three conservation groups in Colorado are working on a revision to a state law that would allow natural river features to get a water right.