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The MPCA is working to address environmental concerns at the closed Freeway Landfill, to prevent the buried waste from affecting drinking water and the nearby Minnesota River.

Answers to questions frequently asked by municipalities about management of contaminated sediments in stormwater collection systems that they own and operate.

Spilled mercury, even small quantities in the home, should be cleaned up quickly and properly so that people don't come in contact with it or breathe its vapors.

Resources for the dry cleaning industry

Environmental information and permits that affect businesses that paint, coat, or strip surfaces.

Environmental information and permits that affect businesses using boilers.

Environmental information and permits that affect businesses using stationary engines or generators.

Environmental information and permits that affect metal fabrication and finishing businesses.

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.

Environmental information and permits that affect wood-finishing industries.

Environmental information and resources for the automotive industry

Environmental information and permits that affect hot mix asphalt plants.

The enduring nature of PFAS in the environment makes it important to give special consideration to products containing PFAS when it comes time to throw them out.

We offer various levels of training on a variety of topics including salt application, wastewater operator training and hazardous waste.

Learn what you can do to protect yourself and your community from environmental problems caused by flooding.

Environmental information and resources for the biochar industry.

Information for cannabis growers and processors to understand environmental regulations and permits that may apply to their businesses.

Environmental information for craft breweries, distilleries, wineries, and cideries, and for home brewers who want to start commercial production.

Environmental information and permits that affect grain elevators, feed mills and fertilizer mixing plants.

Permit  2025 Multi-Sector General Permit for Industrial Stormwater (wq-strm3-102g) Effective June 1, 2025 Updates and new…