Water samples show no impact from Silver Wing Mine spill

EPA says it is unclear what caused temporary uptick in discharges

EPA: Mine spilling waste into Animas River returns to normal

Agency says water sample results should be available next week

Animas River Stakeholders disband after 25 years of cleanup efforts

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

EPA names new lead for Bonita Peak Mining District Superfund site

Christina Progess at helm of cleanup around Silverton

Where to store sludge? Sunnyside Gold offers site to the EPA

Water-treatment plant produces 4,600 cubic yards of waste byproduct per year

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

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

Partisan bills compete to reform hard-rock mining laws

Democrats and Republicans propose different solutions