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Hot mix asphalt plants in Minnesota must follow federal and state air standards.
The MPCA's chloride reduction program assists communities and organizations across Minnesota in identifying sources of chloride.
In the management of construction stormwater, MPCA recognizes Southwest Light Rail Extension project for responsible development through stormwater controls.
The Lower St. Croix Watershed covers 585,735 acres and is located in northwest Wisconsin and east-central Minnesota.
Smith Foundry has ceased operations at its East Phillips facility after an investigation and settlement with the U.S. EPA that the MPCA supported.
After many years of investigation, design work and construction, the Great Lakes Legacy Act remediation projects at these sites near Duluth, Minnesota, are complete.
To ensure that every person in Minnesota has healthy air to breathe, the MPCA studies, monitors, and regulates air pollutants, primarily in three categories: criteria pollutants, air toxics, and greenhouse gases.
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.
Trichloroethylene and perchloroethylene have contaminated groundwater and caused vapor intrusion issues at this site.
The MPCA takes reasonable measures to ensure meaningful communication with individuals who are not proficient in English.
Elevated levels of tetrachloroethylene and trichloroethylene have been found in soil vapor around this site in St. Paul.
Minnesotans are encouraged to share feedback through Nov. 9, 2025
Forms, guidance, and assistance to apply for an air quality permit.
Initiatives passed during the 2023 legislative session invest hundreds of millions of dollars to advance Minnesota’s Climate Action Framework.
Volunteer water monitors collect valuable data used by agencies and organizations across the state to protect and manage Minnesota’s waters.
The MPCA is seeking public comment on a draft wastewater permit and accompanying environmental assessment worksheet (EAW) for a new regional sanitary district to serve the communities of Goodhue, Wanamingo, Zumbrota, and Pine Island.
The MPCA works with partners throughout Minnesota each year to gauge the health of waters and identify stressors that harm fish and other aquatic life.
What is "What's in my neighborhood?"What's in my neighborhood provides a wide variety of environmental information about your community.Search for:properties that were previously contaminated and…
Guidance pertaining to the investigation and cleanup of hazardous substances, pollutants, and contaminants.
MPCA collects information about the sale and use of greenhouse gases with high global warming potential.