Geography

The Colorado River Basin is in crisis.  Climate change is reducing its flow and its biggest reservoirs are shrinking. The seven U.S. states that use...

Even a huge snowpack during the coming winter would only give the river basin states less than two years of storage before reservoirs returned to historic lows.

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 on that water are opposed to the plan.

The most acute problem, experts say, is the lack of controls on groundwater pumping.

Colorado’s reservoirs are 25 percent lower than they were last year at this time, as a hot, dry summer continues into the fall.

A new analysis of residential water use by Fresh Water News shows Colorado's statewide savings from water conservation in recent years may have stalled out.

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

Glenwood Springs received approval for a loan of up to $8 million from the state to upgrade its water system to deal with the impacts from the Grizzly Creek Fire.

In Utah, a pool of toxic waste is emitting dangerous amounts of radon to the surrounding communities, including the Ute Mountain Ute Tribe.

In the 1960s, Glen Canyon Dam created Lake Powell, the 186-mile-long reservoir intended to store Colorado River flows from the Rocky Mountains. With the...