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Certain proposed projects — based on their nature, size, location, or other factors — must go through an environmental review before any required permits or approvals are issued.
Nitrogen management plans help operators of wastewater treatment facilities understand the inputs of nitrogen to their facilities and evaluate options that can reduce the amount of nitrogen discharged.
Some permittees are receiving phishing attacks claiming to be from the EPA. How to spot a phishing attack and what to do about it.
The MPCA 401 certification fills a unique niche in protecting water quality by applying state water quality standards to projects.
Water softeners produce much of the chloride that pollutes Minnesota’s waters. An MPCA grant aims to reduce that pollution with water softener replacement rebate programs.
When people think of sources of air pollution, they typically think about buildings with big smokestacks like power plants and factories. Only about a quarter of the air pollution in Minnesota comes…
MPCA had approximately $1 million for projects that increase the efficiency or effectiveness of waste reduction, reuse, recycling, or composting programs in Greater Minnesota.
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.
A legacy of trichloroethylene disposal at the General Mills/Henkel Corp. Superfund Site at 2010 East Hennepin created an area of groundwater contamination that has led to vapors traveling upward through the soil, where it can enter houses and buildings.
Forms, guidance, and assistance to apply for an air quality permit.
Minnesota GreenCorps members serving with the City of Minneapolis developed a mini-course for residents about responsible use of deicing salt.
The 2026 Climate Action Framework prioritizes reducing greenhouse gas emissions and protecting Minnesotans
The Minnesota GreenCorps program, coordinated by the MPCA, aims to preserve and protect Minnesota’s environment while training a new generation of environmental professionals.
Requirements for discharges from a project site and/or management control site(s).
Organizations that want to reuse materials in ways not classified as standing beneficial uses must apply to the MPCA for a case specific beneficial use.
The MPCA works with industry, government, and residents to reduce and manage waste.
Recent air permits issued by the MPCA can be found in What's in My Neighborhood. The tool does not currently include all previously issued air emissions permits. All air emissions permits issued by…
Some pollutants attach to suspended particles in the water and subsequently settle out to the bottom sediment. At elevated concentrations, contaminated sediments can contribute to fish…
The Minnesota Pollution Control Agency's Emergency Response Program (ERP) oversees the cleanup of all types of spills and environmental emergencies.
Learn what a brownfield is, how it can negatively affect communities, and resources for cleaning one up.