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

Decades later, abandoned mines continue to haunt Colorado’s waterways

According to a 2017 study, there are over 23,000 abandoned mines across Colorado and 1,800 miles of streams that are impaired due to pollutants related to acid mine drainage.

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.

At least 2% of US public water systems are like Flint’s

Is your community’s water tainted with lead? The data might not have been reported.
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.

Owners of Eagle River Village mobile-home park defend water quality

Residents of a mobile home park in Edwards say their well water tastes, looks and smells bad.

Unclear waters: How pollution, diversions and drought are squeezing the life out of the...

The Arkansas Valley Conduit promises to bring clean drinking water to more residents of southeast Colorado.

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.
Maywood Riverfront Park was built on the site of eight former industrial properties in Los Angeles County. Luis Sinco/Los Angeles Times via Getty Images

Flood maps show US vastly underestimates contamination risk at old industrial sites

Flooding in communities near former industrial sites threatens common pollution containment methods already in place.

To make less-harmful road salts, we’re studying natural antifreezes produced by fish

De-icing salts can pollute water bodies. Taking a page from nature, scientists hope to develop effective but more benign antifreeze compounds.

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.