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Frequently asked questions about SSTS certification and licensing.
Many industrial by-products are good candidates for land application based on their nutrient content.
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.
Tools to help small businesses determine if they need an air emissions permit and/or track compliance with their current air emissions permit.
The MPCA’s role in regulating data centers The MPCA ensures data centers meet strong environmental standards to protect our air, water, and the health of Minnesotans. We monitor and regulate…
The MPCA has a mobile air monitoring program that allows the agency to respond faster to community air quality concerns across the state. The mobile air monitor collects data in areas where permanent…
Minnesota participates in this statistical survey of the condition of our nation's lakes, ponds, and reservoirs.
The Minnesota River - Headwaters Watershed covers 487,015 acres in the Prairie Parkland ecoregion of southwestern Minnesota. Portions of Traverse, Big Stone, Swift, Lac qui Parle, Stevens, and Chippewa counties drain the watershed.
Environmental information and resources for the aggregate industry.
Resources and guidance for TMDL projects in Minnesota.
The AQI was developed to provide a simple, uniform way to report daily air quality conditions.
Thermal paper is thin with a slick feel or sheen finish and discolors easily when scratched.
From 2023-2025, Northshore Mining released recycled water to the ground seven times and water relating to mining processes four times. Its largest unpermitted release was nearly 400,000 gallons of recycled water. Northshore Mining has documented equipment failure as the reason for the 11 releases.
Batteries aren’t trash, they’re treasure: Recycling old batteries gives their materials a new life. Visit CollectED's new, carnival-style interactive exhibit at MPCA's Eco Experience at the Minnesota State Fair to learn more about batteries.
When food spoils or is thrown away before we eat it, the resources that went into creating the food are wasted.
Biosolids that will be applied to land must meet strict regulations and quality standards.
New MPCA report monitors PFAS sources and movement, provides direction for preventing and managing PFAS pollution.
Learn what you can do to protect yourself and your community from environmental problems caused by flooding.
The city of Duluth will pay a $12,000 fine and spend $190,000 in compensation for a 2024 incident that led to a fish kill in Tischer Creek.
MPCA had approximately $250,000 in grant funding available to help Minnesota governments, businesses, institutions, and organizations address two specific needs: waste reduction/reuse and toxic products prevention.