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The MPCA completed 78 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2025, for a total of 146 for the year.
Launched in 2022, the PFAS monitoring plan lays out a path for PFAS monitoring at solid waste, wastewater, and stormwater facilities; hazardous waste landfills; facilities with air emissions; and…
New easy-to-access trainings help small businesses figure out if they are subject to MPCA regulations, and how to become more sustainable.
Ground-level ozone is a secondary pollutant formed through chemical reactions between nitrogen oxides (NOx) and volatile organic compounds (VOCs). Ozone can irritate the eyes, nose and throat,…
Northshore Mining operates the Peter Mitchell Mine, a taconite ore mining operation, in Babbitt. It sends the ore that it mines there via rail to a processing plant in Silver Bay, which is a separate facility with its own individual air permit.
The Minnesota Pollution Control Agency is committed to ensuring that every Minnesotan has healthy air, sustainable lands, clean water, and a better climate.
U.S. Steel Corp. operates the Minntac Taconite processing facility near the city of Mountain Iron, where it produces taconite pellets that are shipped for use at steel mills. U.S. Steel has applied for a reissued air permit so it can replace existing emissions controls in its pellet plant with cartridge filters.
MPCA is planning new rules governing air quality, establishing new rules for odor management plan requirements.
MagIron LLC proposes to restart a mining and processing facility near Grand Rapids, which will require new air and industrial wastewater permits from the MPCA.
Learn about environmental regulations that may apply to your business. It is not an exhaustive list, so other regulations may apply.
U.S. Steel Corp. operates a taconite mine and processing plant known as Keetac north of Keewatin, where it produces taconite pellets for use at iron and steel mills.
Businesses like grocery, liquor, and convenience stores depend on refrigeration systems. Some of these systems, however, can prove expensive to operate and harmful to the environment.
Minnesota is a national leader in keeping mercury out of the environment.
Emissions generated from gasoline and diesel powered vehicles are the greatest source of air pollution in Minnesota
What to consider when cold weather has you looking into home weatherization projects
Elevated levels of trichloroethylene (TCE) are present in soil, soil vapor, and groundwater around this site in New Hope.
Funding for projects to reduce air pollution in Minnesota today and invest in cleaner transportation for tomorrow.
The Minnesota Pollution Control Agency (MPCA) is expanding the ways we learn and understand the effects of pollution on communities and the environment by incorporating lived experiences into our air…
Volkswagen settlement funds are helping MPCA clean up air pollution and invest in cleaner transportation to support a healthy environment and reduce emissions in Minnesota, especially in communities most impacted by vehicle pollution.
The MPCA fined Cabinetworks Group’s Waconia facility, Wood Products, $11,520 for violations of its air permit.