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Minnesota rules allow for specific uses (called beneficial uses) of certain materials that otherwise would be classified as solid waste.
Learn what steps you can take to reduce the pollution from small neighborhood sources.
The Snake River begins its 50-mile course in Marshall County and drains an area of 611,800 acres. The Snake River Watershed lies within Marshall, Polk, and Pennington Counties in NW Minnesota.
MPCA permits are required for extensions, additions, or other modifications to sanitary sewer collection systems that result in new or increased discharges of pollutants.
Pesticide NPDES permit steps to compliance Step 4: Report adverse pesticide incidents
The MPCA completed 75 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2024.
The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.
The MPCA is granting $4.4m from VW settlement funds to replace dirty diesel trucks with cleaner drivetrains. Similar previous grants show how the program works.
Environmental information and permits that affect wood-finishing industries.
Organics recycling reduces greenhouse gas emissions and keeps waste out of landfills. MPCA answers commonly asked questions about how and why to participate in organics recycling programs.
Environmental information and permits that affect businesses that paint, coat, or strip surfaces.
The Minnesota Pollution Control Agency is planning amendments to rules governing water quality fees (Minn. R. ch. 7002 and 7083).
MPCA’s community air monitoring pilot grant program will provide $4.85 million to build more networks of community air sensors in the Twin Cities metro area.
The MPCA is investigating the source of the chemical 1,4-dioxane in private wells in Gem Lake.
Fire departments are often the first responders to incidents that include spills of hazardous substance.
Minnesota is a national leader in keeping mercury out of the environment.
The MPCA regulates the design, construction, and operation of treatment facilities for municipal and industrial wastewater in Minnesota.
Underground storage tank (UST) facilities must designate owners, operators, or employees as Class A, Class B, and Class C operators.
The MPCA is collaborating with many federal, Tribal, state, and local partners to clean up contaminated sites in the Duluth harbor and St. Louis River.
There are two types of federal air regulations, the National Emission Standards for Hazardous Air Pollutants (NESHAPs) and New Source Performance Standards (NSPSs). Either or both regulations may…