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Animas River Stakeholders disband after 25 years of cleanup efforts

Group’s role fell into doubt after Superfund established outside Silverton

Uranium dumpsite south of Durango leaching into groundwater

U.S. Department of Energy insists cell poses no risk to human health, environment

Wildlife roam where U.S. once made nuclear and chemical arms

DENVER – From sites outside Colorado’s largest city to a leafy Indiana forest, a handful of places where the United States manufactured and tested some of the most lethal weapons known to hu...

EPA drills into American Tunnel to unravel mine pollution mystery

Driven by desire to know what lies beneath, crews bore deeper every day

EPA says it will carry out work Sunnyside Gold refuses to do

Former mining company refused work order last week

Sunnyside Gold says ‘no’ to EPA’s work order at Superfund

Mining company: ‘SGC will no longer be a pawn in this never-ending science project’

EPA finds low risk to human health at Superfund site near Silverton

Despite findings, agency says cleanup remains a priority

Is EPA protecting mining history around Superfund site?

Agency says it is complying with historic preservation standards

EPA to tackle one of most vexing polluters in Animas River basin

American Tunnel poses complex situation for Superfund cleanup

EPA finalizes action plan for Silverton-area Superfund

Agency will address 23 mine sites over next five years

BP fined for 3 spills in La Plata County, will pay $12.5M to fix pipelines

Company says infrastructure in Southwest Colorado ‘good for service’

EPA wants to restore aquatic life in four stretches of waterways

Agency to focus on four areas in Animas River basin