In compliance with the provisions of the Clean Water Act, as amended, the Grand Portage Band of Lake Superior Chippewa is authorized by the U.S. Environmental Protection Agency, Region 5, to discharge from the Grand Portage Wastewater Sewage Lagoon in Grand Portage, Minnesota (Cook County) in accordance with effluent limitations, monitoring requirements, and other conditions.
Permit or application number: MN-0025887-6
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- Grand Portage Wastewater Sewage Lagoon Final Permit (PDF)(35 pp, 3 MB, July 2017)