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Documents for NPDES Permit – Grand Portage Wastewater Sewage Lagoon – Grand Portage Indian Reservation

Public notice documents for NPDES Permit – Grand Portage Wastewater Sewage Lagoon – Grand Portage Indian Reservation (Cook County, MN).

  • Final NPDES Permit Grand Portage WWSL (pdf) (3.07 MB, July 25, 2017)

EPA in Minnesota

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    • Minnesota (Part 63) MACT Standards Delegations
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  • PolyMet (now NewRange Copper Nickel, LLC)
    • Documents related to EPA’s PolyMet NorthMet 401(a)(2) Notification
    • Documents submitted by PolyMet Mining, Inc.
    • Documents submitted to EPA by the Fond du Lac Band
  • Contact Us about EPA in Minnesota
Contact Us about EPA in Minnesota
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Last updated on April 23, 2025
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