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Learn about environmental regulations that may apply to your business. It is not an exhaustive list, so other regulations may apply.

Thirty TMDLs undertaken in the Mississippi River - Twin Cities Watershed to address excess nutrients, turbidity, bacteria, and more.

Significant restoration work by organizations in the area have made the south branch of the Buffalo River a water-quality success story.

MPCA is planning new rules governing how the MPCA determines currently unavoidable uses of per- and polyfluoroalkyl substances (PFAS) in products.

In 2023, Minnesota saw more air quality alerts covering more days than ever before. Smoke from Canadian wildfires throughout the summer caused many of the alerts, though climate change is playing a growing role in Minnesota's air quality.

Details on major and minor modifications of a solid waste management facility permit.

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

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

The MPCA added three bodies of water to the impaired waters list for PFAS contamination. Which are they? How did they get polluted? And how much PFAS does it take to contaminate a body of water?

Following the 2024 legislative session, the MPCA was charged with appointing a 15-member task force to advise the agency on policy and program opportunities that would increase the recovery of critical materials from end-of-life products.

The Performance Excellence Network has awarded the MPCA its Excellence Award for the agency's superior operational performance and commitment to continuous improvement.

This advisory board includes 18 individuals representing a wide range of impacted parties under the Packaging Waste and Cost Reduction Act.

Air pollution levels in Minnesota have steadily decreased over the past few decades and currently meet federal standards. But even levels that meet or are below these standards can affect people’s…

Three committees are accountable to and advise the full Clean Water Council. Meetings are scheduled and open to the public.

The U.S. EPA has awarded Minnesota $200 million to cut climate pollution from our state’s food systems through the Climate Pollution Reduction Grants program.

Mankato nonprofit South Central Minnesota Food Recovery used MPCA grant money to build out a network to save food from the landfill and distribute it to people in need.

As Minnesotans prepare for another summer of outdoor activities, MPCA meteorologists are forecasting a moderately active air quality season.

SSTS staff contact information and areas of responsibility.

The MPCA certifies Minnesota municipal, government, or industrial laboratories that are used to comply with National Pollution Discharge Elimination System (NPDES)/State Disposal System (SDS) permits or for water quality work for agency programs.

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.