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

The South Adams County Water and Sanitation district photo

Colorado health officials investigating contaminated PFAS plume near Denver fire training center

The Colorado health department is investigating a plume causing high levels of forever chemicals in the raw water supply of Adams County.

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.

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.

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.

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.

Once ‘paradise,’ parched Colorado valley grapples with arsenic in water

Decades of climate change-driven drought, combined with the overpumping of aquifers, is making the valley desperately dry — and appears to be intensifying the levels of heavy metals in drinking water.

Colorado water utilities race to protect workers from COVID-19 as they declare tap water...

Water utilities initiated emergency action plans, asking hundreds of employees to work from home to limit the virus’ spread and to help protect the workers needed to operate water treatment and delivery systems.

As more sanitation districts test wastewater for COVID-19, questions remain on interpreting the data

Wastewater can inform public health departments of new variants in the community, but the data collected is still inconclusive.

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.

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?