9 Sep 2026

Corps of Engineers extends comment period on NorthMet Mining project

ST. PAUL, Minn. – The U.S. Army Corps of Engineers, St. Paul District, is seeking public comments on a new permit application submitted by NewRange Copper Nickel, LLC, for the development of the NorthMet Mine in St. Louis County, Minnesota. The comment period has been extended from Sept. 12, 2026 until Sept. 27, 2026, to ensure that sufficient opportunity is provided to the public to consider and submit comments regarding the Corps of Engineers federal action.

20 Aug 2026

USACE seeks public comments on NorthMet Mining project

ST. PAUL, Minn. – The U.S. Army Corps of Engineers, St. Paul District, is seeking public comments on a new permit application submitted by NewRange Copper Nickel, LLC, for the development of the NorthMet Mine in St. Louis County, Minnesota.

1 Apr 2022

Corps of Engineers to host PolyMet public hearing

ST. PAUL, Minn. – The U.S. Army Corps of Engineers, St. Paul District, will conduct a hybrid in-person and virtual public hearing for the PolyMet/NorthMet Mine project, May 3-5.

27 Feb 2014

Corps of Engineers reminds everyone that public comments for the proposed PolyMet project closes March 13

ST. PAUL, Minn. – The U.S. Army Corps of Engineers, along with the U.S. Forest Service and the Minnesota Department of Natural Resources, are reminding everyone that the NorthMet Mining Project and Land Exchange Supplemental Draft Environmental Impact Statement public comment period will end March 13.

23 Aug 2013

Corps of Engineers, partners nearly complete with PolyMet environmental impact statement

ST. PAUL, Minn. – The U.S. Army Corps of Engineers, St. Paul District; the U.S. Forest Service; and the Minnesota Department of Natural Resources, or DNR, announced today, Aug. 23, that the they will finish the NorthMet nonferrous mining environmental review by the end of November.