The Department of Natural Resources and Environment (DNRE) issues the permits for the Humboldt Mill project.  Select from the links below to review or download items of interest. 

Kennecott Humboldt Mill documents include: 
  Response to Public Comments 
  Part 632, "Non-Ferrous Metallic Mining Permit
  AQD Air Use Permit   
  LWMD 301 and 303 Permit   
  NPDES Water Discharge Permit)

  Additional background information.

Go to the Main Mining Page.

To comment on the record about the
Kennecott Humboldt Mill Project,
please use the email
DEQ-Kennecott-Humboldt-Mill-Comments@michigan.gov

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