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

Courtroom battle could lead to limits on fluoridation of drinking water

A trial underway in San Francisco could spell the beginning of the end of water fluoridation in America, potentially affecting drinking water for hundreds of millions of people.

Concern over the “forever chemical” PFAS in water supplies is high, but remedies remain...

A synthetic chemical’s appearance in public water supply wells raises questions of how to protect the public from unknown health hazards.

As the Salton Sea shrinks, it leaves behind a toxic reminder of the cost...

Scientists fear that eventually the toxic residue of more than a century of agricultural runoff will be blown into the air — and into the lungs of residents.

Long criticized for inaction at the Salton Sea, California says it’s all-in on effort...

Dust suppression and habitat restoration are key elements in a plan to aid the Salton Sea, whose ills have been a sore point in Colorado River management.

Praying for rain

The Zuni tribe's homeland is one of the most parched sections of the country. The tribe has already declared three drought emergencies in the last 15 years. Will it survive the next one?

Counterfeits hit home: consumers are being foiled by fake water filters

Refrigerator filters are an attractive target for counterfeiters, who may also be putting consumers at risk by selling filters that are not merely ineffective, but unsafe.

Some still don’t have a reliable water source near the headwaters of the Colorado...

Residents of a mobile home park near Gunnison are often left without water because of unreliable supplies.

State inspections lag for New Mexico’s primary drinking water source

New Mexico is behind in water inspections for the third year in a row, leaving water quality in question.

As Colorado ramps up PFAS drinking water tests, small towns brace for costly fixes

Renee Hoffman was never thrilled about the water quality at her house in Sleepy Bear Mobile Home Park on the outskirts of Steamboat Springs. “It just didn’t taste great,” she...

Tourist haven Grand Lake asks state to intervene in federal water quality stalemate

Grand County officials are searching for ways to prevent harmful algae blooms and weed growth in Grand Lake.