FORMOSA MINE
RIDDLE, OR
Superfund Site Profile
Announcements and Key Topics
The Formosa Mine site has received Bipartisan Infrastructure Law (BIL) funding to implement a cleanup remedy for the first operable unit (OU1) at the Site. EPA’s goal with this Remedial Action is to manage former mine materials to minimize exposures of mine-related contaminants for people, animals and plants, including threatened and endangered species. In addition, EPA will be conducting a ...
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Background
The 76-acre Formosa Mine Site is located on Silver Butte in Douglas County, Oregon. This abandoned mine discharges millions of gallons of acid rock drainage and toxic metals into the ...
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