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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…

MPCA staff toured three farms in southeastern Minnesota. The purpose of external communications is to show that the agency cares about education and outreach, and we get out in the field to learn on site.

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.

Collaboration and engagement have been keys to progress in the St. Louis River AOC.

Volunteers can search for a lake or stream site that works for them and sign up to monitor it.

Businesses can find many ways to increase competitiveness and boost productivity.

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.

The MPCA sought a contractor to lead the effort to identify and replace Tribal members' old wood stoves that are not certified by the U.S. EPA.

Don't let your septic system freeze. Here are some simple tips that can help you avoid costly problems with your septic system.

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

An index of biological integrity (IBI) is a particularly powerful tool that provides an accurate measure of the condition of the biological communities and are a direct determinant of the attainment of aquatic life uses.

Recent air permits issued by the MPCA can be found in What's in My Neighborhood. The tool does not currently include all previously issued air emissions permits. All air emissions permits issued by…

From shorter winter ice seasons to shifting fish populations, climate change is transforming Minnesota lakes as we know them.

Hot, sunny weather brings the possibility of air quality alerts due to ozone. But what exactly is ozone?

To commemorate the 2023 fish sampling season, Martha Young enlisted her mother to create a piece of seed art that will go on display at the 2024 Eco Experience

Approximately $995,000 was available to develop, administer, and fund a financial assistance program for electric-powered landscaping and snow removal equipment. The goal of this grant is to reduce emissions and ground-level exposure to air pollution in Environmental Justice areas.

Projects to prioritize environmental justice areas

Each year, Minnesotans throw away more than 850,000 tons of recyclables, worth around $153 million. Here's how we're reducing those numbers in Greater Minnesota.

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

Chemicals in the air toxics emission inventory.