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

Santa Rosa fire photo

Wildfires are contaminating drinking water systems, and it’s more widespread than people realize

When wildfire smoke gets into water systems, it can contaminate drinking water and plumbing with carcinogens for months after the blaze.
Water lab photo

Citizens across the country are questioning, and sometimes fighting, chloramines in drinking water

People are fighting against disinfectants in their drinking water that cause rashes, breathing problems and more.

Despite pandemic, Denver Water’s lead reduction program shows promising early results

One year after it launched one of the largest lead treatment programs in the United States, Denver Water is slightly ahead of schedule.

Well water throughout California contaminated with ‘forever chemicals’

These chemicals are everywhere. They last forever. They’re expensive to get rid of. And many Californians don’t even know they’re drinking them.

Testing sewage can give school districts, campuses and businesses a heads-up on the spread...

Studies have shown that testing wastewater offers an early warning signal about the prevalance of the coronavirus in the community.

PFAS ‘forever chemicals’ are widespread and threaten human health – here’s a strategy for...

Hundreds of scientists call for a comprehensive, effective plan to manage PFAS chemicals to protect public health.

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.

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.

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?