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The MPCA enforces federal and state requirements for air quality permitting.
Learn what steps you can take to reduce the pollution from small neighborhood sources.
In Minnesota, commercial entities that produce any amount of hazardous waste are regulated as hazardous-waste "generators."
Per- and polyfluoroalkyl substances (PFAS) are a group of thousands of human-made chemicals that do not break down over time. PFAS are sometimes called “forever chemicals” due to their extreme…
Chemicals in the air toxics emission inventory.
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 Keep It Clean campaign, a 2023 Minnesota law, and many partners working together are adding up to less garbage and waste left behind on frozen lakes.
Are pets affected by poor air quality? Will wearing a mask help when I’m outside? What is particulate pollution? We’ve got the answers.
The MPCA announced cleanup plans for the defunct Hibbing Gas Manufacturing Plant site, explained in a draft Minnesota Decision Document that is available for public comment until July 9, 2026.
The MPCA is leading multiple initiatives to reduce greenhouse gas emissions from the transportation sector.
Minnesota is the first state government in U.S. to use this combination of innovative technologies to address "forever chemicals”
Septic tank installation fees and system abandonment
Minnesota has enacted laws to end avoidable uses of PFAS in Minnesota by 2032.
Image Aboveground storage tank (AST) requirements are found in Minnesota Rules, Chapter 7151. In general:new tanks and piping must be designed to…
Forms, guidance, and assistance to apply for an air quality permit.
MPCA's compliance and enforcement program tracks how well wastewater treatment facilities are complying with their permits and takes enforcement actions when necessary.
Countless bacteria can be found in land, water, humans, and animals. Most bacteria are beneficial, serving as food for larger organisms and playing critical roles in natural processes such as organic…
For more than 50 years, volunteers have gathered critically important water clarity data on Minnesota lakes and streams.
The Performance Excellence Network has awarded the MPCA its Excellence Award for the agency's superior operational performance and commitment to continuous improvement.
When workers at The Lawn Barber in Elysian start up their electric mowers, they appreciate more than the quiet hum. They also appreciate the extra time the crew earns…