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Mesabi Metallics is currently constructing a new taconite mine and taconite pellet production facility on the site of the former Butler Taconite Mining Company facility near Nashwauk.
The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.
MPCA is planning new rules governing air quality, establishing new rules for odor management plan requirements.
Roundup of key environmental justice laws passed by the Legislature in 2023
Answers to frequently asked questions about compliance and MPCA's enforcement of environmental rules in Minnesota.
Polycyclic aromatic hydrocarbons (PAHs) are a class of more than 100 chemicals that occur naturally in coal, crude oil, and gasoline, and are also present in products made from fossil fuels, such as…
The Minnesota Pollution Control Agency (MPCA) today took another step forward in addressing nitrate pollution statewide by issuing updated water permits for about 1,000 large feedlot operations. These permits take effect when the current ones expire.
The MPCA completed 75 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2024.
Ready-to-run meteorological data suitable for AERMOD.
MPCA online services give users online access to apply for permits and licenses, submit required information, and pay fees and invoices.
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,…
Environmental information and permits that affect businesses that paint, coat, or strip surfaces.
Based on volume, construction and demolition debris presents a big opportunity for reducing waste and its environmental effects.
Information for cannabis growers and processors to understand environmental regulations and permits that may apply to their businesses.
Addressing climate change presents us with a historic opportunity to strengthen our economy, improve our health, and create a more equitable Minnesota for everyone.
Nearly nine in 10 Minnesota communities have reported experiencing the impact of at least one weather trend caused by climate change, and few cities have defined plans to address it.
Environmental information for craft breweries, distilleries, wineries, and cideries, and for home brewers who want to start commercial production.
Image The MPCA and the Minnesota Department of Health (MDH) regulate the handling of asbestos-containing material in Minnesota, to prevent asbestos…
The MPCA added three bodies of water to the impaired waters list for PFAS contamination. Which are they? How did they get polluted? And how much PFAS does it take to contaminate a body of water?
Minnesota rules require that anyone installing, repairing, or removing regulated underground storage tanks be certified by the MPCA.