Is your community’s water tainted with lead? The data might not have been reported.
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?
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.
A synthetic chemical’s appearance in public water supply wells raises questions of how to protect the public from unknown health hazards.
This photo gallery contains images taken by drone for our story on acid mine drainage in Colorado, which featured the Captain Jack Mill...
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.
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.
As Aspen evolved from a bucolic high-mountain meadow to an industrial city, pollution began to flow directly into the Roaring Fork River and its tributaries.
Residents of a mobile home park in Edwards say their well water tastes, looks and smells bad.
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.
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