Members of a federal cleanup crew were initially trapped and unable to warn downstream communities that they had accidentally unleashed toxic waste water from a Colorado gold mine.
Documents released by U.S. officials have revealed that the Environmental Protection Agency knew of the potential for a blowout of toxic wastewater from a Colorado mine.
Federal officials say the quality of San Juan River water on the Navajo Nation has returned to what it was before a spill at a Colorado gold mine sent toxic sludge into the waterway.
The inspector general for the Environmental Protection Agency is investigating the cause of a massive spill from an abandoned Colorado gold mine that unleashed 3 million gallons of contaminated wastewater into rivers.
A timeline of the latest events regarding the toxic mine spill in the Animas River.
The U.S. Environmental Protection Agency on Thursday said its surface-water testing done before, during and after 3 million gallons of mine waste flowed through Colorado show very high levels of heavy metals.
A timeline of Wednesday’s news about the mine spill in the Animas River.
At the Gold King Mine, Russell Begaye, president of the Navajo Nation, couldn’t help but see the concerned faces of his people.
A timeline of Tuesday’s news about the mine spill in the Animas River.
Townspeople watching millions of gallons of orange-colored mine waste flow through their communities demanded clarity Tuesday about possible long-term threats to their water supply.