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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.

Emissions generated from gasoline and diesel powered vehicles are the greatest source of air pollution in Minnesota

The PFAS guidance document uses an evidence-based approach that builds upon the framework and strategies presented in previous MPCA publications.

Learn what steps you can take to reduce the pollution from small neighborhood sources.

Intense storms of late spring can wash soil and other pollutants into rivers. Producers can use several techniques to protect their soil and water quality.

MPCA's Closed Landfill Program is a voluntary program established in 1994 to properly close, monitor, and maintain Minnesota's closed municipal sanitary landfills.

The MPCA studies Minnesota's solid waste composition and processes to inform policy recommendations, legislative proposals, education and outreach messages, and waste reduction efforts.

Medicines flushed down the drain can contaminate water, which can hurt fish and other aquatic wildlife, and end up in our drinking water.

The Watershed Pollutant Load Monitoring Network (WPLMN) is a partnership that collects data on water quality and flow in Minnesota.

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.

Apply for funds to help assess sites with known or suspected contamination and develop remediation plans.

The Red River of the North - Marsh River Watershed is part of the Red River Basin in northwestern Minnesota and southeastern North Dakota.

The MPCA provides financial and technical assistance to local government and other water resource managers to address nonpoint-source water pollution.

The Otter Tail River Watershed encompasses three different ecoregions, covering more than 1.2 million acres in west-central Minnesota.

Sustained efforts by cities and water management organizations have restored water quality in two Dakota County lakes.

As part of the PFAS pollution prevention law called Amara’s Law, manufacturers are required to report intentionally added PFAS in products sold in Minnesota and pay a fee. The Minnesota Pollution Control Agency has extended the reporting due date to Sept. 15, 2026.

Improving water quality in Lake George has required treating phosphorus in the water and filtering pollutants out of urban stormwater.

Air quality map of current conditions in Minnesota.

A recent $1 million MPCA grant round will fund projects focused on waste reduction and reuse. To invest in projects that will continue to offer benefits to Minnesotans well into the future, this grant round prioritized proposals that would replace single-use items with reusables or help build a trained repair workforce in Minnesota.

Two small creeks in the Nemadji River watershed are cleaner, and some fish have returned, after restoration work that the MPCA took part in.