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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

La Plata County hit with ‘F’ score for ozone levels

American Lung Association says the number of unsafe days is on the rise

EPA wants to restore aquatic life in four stretches of waterways

Agency to focus on four areas in Animas River basin

Larry Perino, one of the last Sunnyside Gold employees, announces retirement

Reclamation manager looks back at Silverton’s mining past

Winter weather forces closure of Gold King Mine treatment plant

Facility built to resist cold, but snowfall and avalanches become problematic

What are the ultimate goals for Superfund cleanup around Silverton?

EPA hopes to improve water quality in Animas River below Silverton

EPA’s lead in Superfund around Silverton announces retirement

Rebecca Thomas wraps up more than three decades cleaning up sites around country

Sunnyside Gold says EPA should be recused from leading Silverton Superfund cleanup

Mining company says federal agency has a conflict of interest

50 million gallons of polluted water pours daily from U.S. mine sites

RIMINI, Mont. – Every day many millions of gallons of water loaded with arsenic, lead and other toxic metals flow from some of the most contaminated mining sites in the U.S. and into surroun...

EPA places Silverton’s Superfund site on fast-track pilot program

Bonita Peak is 1 of 6 programs selected nationwide

Citizens group for Superfund site to meet Thursday for first time

Members will provide direct input to EPA about cleanup activities