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Judges at an annual competition in Keystone picked Denver's water as the best tasting. Louisville and Broomfield were also on the podium.

The Interior Department recently announced $180 million in new funding for large-scale water recycling programs. The money is available for local agencies looking to reuse wastewater, which officials say will make a big difference for western communities dealing with drought.

As the West grapples with a megadrought, its driest spell in at least 1,200 years, rising levels of arsenic — a known carcinogen — in Colorado’s San Luis Valley offer clues to what the future may hold.

This past spring Grand Canyon National Park became the site of an extended norovirus outbreak, with more than 200 cases of gastrointestinal illness among rafters and backpackers.

Nearly half of tribal homes across the country don’t have steady access to clean water. Many in the Southwest rely on aging wells with polluted water, or truck in bottles from far away. In To'hajiilee, New Mexico, a Navajo community hopes a new pipeline from Albuquerque will remedy decades of struggle to get clean water.

Lack of potable water drove high COVID-19 rates in Native American communities. That realization may help them gain better representation in upcoming negotiations about Colorado River water.

The city of Fort Collins is asking residents to use less water this spring and summer, as the city’s utilities department prepares for incoming ash and debris flows from the Cameron Peak burn scar.

Since June 2020, a large proportion of Arizona's rivers, lakes and streams have not been protected by the Clean Water Act. That's due to a change to the federal rule the Trump administration made in 2019. The state relied on the landmark law to keep its arid streams free of pollution.But after the federal protections were limited, Arizona decided to come up with its own set of surface water quality standards.

Increasingly bleak forecasts for the Colorado River have for the first time put into action elements of the 2019 upper basin drought contingency plan.

A federal judge has rejected a challenge to the Windy Gap Firming Project, a proposed Front Range water supply project with plans to build a new dam and reservoir southwest of Loveland.