Dem-Con is proposing a new facility that will process organic materials through anaerobic digesters at its environmental campus in Shakopee. The project requires an environmental assessment worksheet (EAW) and an air permit from the MPCA.

Tailings basin piping leaked wastewater and about 11,500 cubic feet of tailings materials over nearly half an acre, including a nearby wetland in May 2023 due to inadequate operation and maintenance of the tailings basin pipeline at the company’s facility in Virginia, Minn.

A transport truck released fugitive lime dust that drifted and deposited on area school playground equipment, vehicles, and vegetation near its paper production facility in International Falls, Minn., in October 2023.

Industrial Finishing Inc. violated several water quality permit conditions relating to required sampling, training, reporting and inspections at its industrial equipment coating and finishing facility in Deer Creek, Minn.

Dairy will pay a fine and take corrective steps for improperly discharging industrial waste into a city curb and gutter stormwater system in Nicollet County.

The Lake Allie wastewater treatment facility will pay more than $13,000 in fines and follow a corrective action plan for violating its wastewater permit in Buffalo Lake, Minn.

MPCA seeks public comment on a proposed air permit for the U.S. Steel Keetac mining facility in Keewatin, Minn.

MPCA has developed a draft wastewater permit for the MagIron LLC facility near Grand Rapids, Minn. The facility will process former natural iron ore mining waste material into high-grade, low-impurity iron ore concentrate at the site and supply electric arc furnace steelmaking.