Minnesota Governor Bans New Nonferrous Mining in Boundary Waters Watershed

Minnesota Governor Tim Walz signed an executive order on August 18, 2026, that imposes immediate restrictions on new nonferrous metal mining in the Rainy River Headwaters Watershed, which contains the Boundary Waters Canoe Area Wilderness. The order directs state agencies to halt new environmental reviews, permits, and mineral leases for mining projects within the watershed, a move aimed at protecting the region's water, wildlife, and a nearly $1 billion outdoor recreation economy.

The order requires the Minnesota Department of Natural Resources and the Pollution Control Agency to enforce existing mining regulations within the affected area and to refrain from advancing new proposals for nonferrous mineral mining on state public lands. Walz framed the action as a defense of both the environment and the economic vitality it supports. "It’s our duty as Minnesotans to ensure the sacred place remains wild, pristine, and unharmed," Walz said in a statement. He proclaimed August 18 as "Save the Boundary Waters Day," asserting that environmental stewardship and economic growth are compatible. "We have proven it is a false choice to do the environmentally sound stewardship thing and...