Skip to main content

Eagle Mine LLC-Humboldt Mill


The Eagle Mine, LLC operates the Humboldt Mill and the associated tailings disposal facility to process copper and nickel ores. The permittee discharges treated process wastewater, treated laboratory wastewater, and treated water treatment backwash through a pipeline to the wetland contiguous to the Middle Branch Escanaba River. Due to public interest and involvement, EGLE has created this web page to allow citizens easy access to various documents and other information relative to the Mill. Please contact the EGLE Freedom of Information Act Coordinator to seek additional records that may be of interest.

National Pollutant Discharge Elimination System Permit Information