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Hot mix asphalt plants in Minnesota must follow federal and state air standards.
The northeast region of Minnesota is home to the state’s metallic mining industry. The "Iron Range" has a history of iron ore (“ferrous”) mining dating back to the late 1800s and includes the large…
Permitted waste facilities, waste projects, and waste haulers in Minnesota must submit regular reports to the MPCA.
The MPCA issued the most recent municipal stormwater general permit (MNR040000) in November 2020.
Facilities that produce air emissions can benefit by proposing limits on their own operations to avoid certain types of regulatory requirements. You might accept limits to stay under emission…
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.
The MPCA regulates both underground and aboveground commercial storage tanks above a certain size that hold petroleum or hazardous liquids.
Minnesota businesses, organizations, and municipalities seeking or holding MPCA wastewater permits are charged two basic types of permit fees: application fees and annual fees.
Environmental information and permits that affect hot mix asphalt plants.
Conditionally exempt facilities do not need an air quality permit if they follow specific requirements.
Create an editable spreadsheet with the information indicated below. Each step in your calculations needs to be clear and easy to follow.Facility informationProvide the facility ID, file number, and…
Requirements for discharges from a project site and/or management control site(s).
Environmental information and resources for gas stations.
Excess phosphorus is harming Minnesota waters. Phosphorus comes from both regulated and non-regulated sources. A quarter of Minnesota lakes have high levels of phosphorus, which means that they do…
Smart Salting is a suite of techniques that minimize the environmental and economic impacts of chloride while still meeting public needs.
The MPCA requested proposals from eligible applicants for projects that aim to reduce emissions of high global warming potential (HGWP) refrigerants in retail settings and food assistance programs in Minnesota.
Determine what type(s) of water quality permit is required at facilities that mine construction sand and gravel; industrial sand; quarry limestone, granite or dimension stone; operate hot mix asphalt production areas; produce concrete block, brick and other products; and/or produce ready-mix concrete.
Ready-to-run meteorological data suitable for AERMOD.
“Area C” is the name given to Ford Motor Company’s former industrial waste dump on the floodplain of the Mississippi River, at the base of the bluff below the former Twin Cities Assembly Plant in Saint Paul.
The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.