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

Video: Five years after the Gold King Mine spill

Environmental correspondent Laura Paskus revisits the Gold King Mine spill and the destructive impact of the toxic orange plume that went flowing down the Animas and San Juan rivers five years ago.

Wildfires can poison drinking water – here’s how communities can be better prepared

Two environmental engineers argue that communities need to upgrade building codes to keep wildfires from causing widespread contamination of drinking water systems.

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.

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?

Marble quarry operators violated Clean Water Act, Army Corps of Engineers finds

The U.S. Army Corps of Engineers has determined that the operators of a marble quarry violated the Clean Water Act when they diverted a tributary of the Crystal River to make way for a mining road.

Quarry in Marble facing scrutiny from federal, state regulators in wake of diesel spill

The operator of Marble’s famed Yule quarry, is facing scrutiny and possible penalties from federal and state regulators after an October diesel spill that shut down operations for nearly two months.

The coronavirus pandemic might make buildings sick, too

With millions of people under stay-at-home orders, water is sitting in the pipes of empty office buildings and gyms, getting old and potentially dangerous.

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.

Mobile-home residents stuck in a regulatory roundabout

It's unclear whether a new law could improve water quality in the Eagle River Village park, but legislators want to pressure owners to do more.