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The purpose of the Minnesota Pollution Control Agency's official social media accounts is to provide information about the MPCA and the programs, services, and products we provide. The MPCA social…

Environmental information and permits that affect wood-finishing industries.

The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.

Minnesota rivers are shrinking in the drought; some have their lowest flows in decades. What will be the long term effects?

Stephen Funk shared his story as part of We Are Water MN, a traveling exhibit and community engagement program that explores Minnesotans’ relationships with water.

Any facility that is engaged in a narrative activity or a primary SIC code, as listed in the Multi-Sector General Permit, needs to apply for industrial stormwater permit coverage or certify for No Exposure.

Air quality dispersion modeling uses a computer model to estimate air pollution concentrations from regulated facilities and other sources of pollution.

Profile of Julia Dady, a volunteer water monitor for Battle Creek in Saint Paul.

Step 3: Requirements for pesticide dischargers

The MPCA and its many partners collect a wide variety of data on environmental conditions and pollution sources.

Businesses like grocery, liquor, and convenience stores depend on refrigeration systems. Some of these systems, however, can prove expensive to operate and harmful to the environment.

Funding for projects to reduce air pollution in Minnesota today and invest in cleaner transportation for tomorrow.

Wastewater treatment and disposal are important for protecting and preserving Minnesota's water resources. MPCA regulates wastewater treatment activities in Minnesota.

Environmental information and permits that affect businesses using boilers.

The MPCA investigates sites where hazardous substances have been or could be released to identify risks and appropriate remediation plans.

BMPs required to manage the slurry to comply with Minnesota statute and agency rules to protect water quality.

The kind of permit a facility needs depends on how much air pollution the facility could emit based on its equipment or processes.

Industrial Stormwater Steps to Compliance - Step 2: Consider certifying for No Exposure

Tools and materials for partners and stakeholders interested in minimizing the impact of chloride on Minnesota lakes, rivers, and groundwater.

Environmental information and resources for gas stations.