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Agropur Inc., doing business as Le Sueur Cheese Company, land applied too much industrial byproduct, resulting in rates of nitrogen and phosphorus that exceeded the allowed limits by more than 10 percent. The violations occurred in 2022, near its cheese production facility in Le Sueur, Minnesota.
Environmental information and resources for gas stations.
In its online format, Minnesota's Stormwater Manual offers the latest in stormwater management, including BMPs, models, and regulations.
The MPCA proposes to adopt the U.S. EPA's 2013 national recommended water quality criteria for ammonia as its Class 2 ammonia water quality standards for the protection of aquatic life.
The Minnesota Pollution Control Agency places members with host sites throughout Minnesota each year. Members serve full-time for 11 months (Sept. 2026 through Aug. 20227) at environmental nonprofits, government agencies, and educational institutions.
MPCA collects information about the sale and use of greenhouse gases with high global warming potential.
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’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…
Minnesota is a national leader in keeping mercury out of the environment.
Chloride is a problem for wastewater facilities and stormwater permittees.
Demonstration/research projects (DRPs) allow permittees to explore potential beneficial uses or new methods of solid waste management through a limited-scale project.
Studies of Minnesota’s waters show that contaminants of emerging concern are widespread in the state’s lakes and rivers.
To protect human health and the environment, we need to limit the amount of per- and polyfluoroalkyl substances (PFAS) in our waters to safe levels. Safe levels means water can be used for drinking,…
Information about a variety of initiatives in Minnesota related to PFAS pollution.
The MPCA and Minnesota Department of Natural Resources (DNR) today released a drinking water supply plan for the 14 communities impacted by 3M’s PFAS contamination in the East Metro.
Recycling market development works to expand end markets and boost the demand for recycled materials.
Cleveland-Cliffs owns the Minorca Mine northeast of Virginia, Minnesota. The mine’s two taconite mining pits are about one mile southeast of the plant.
From the days when raw sewage flowed into rivers and lakes, Minnesota’s water bodies have come a long way. However, there is still work to be done in the restoration and protection of our waters.
Public input is critical to the work that we do. We invite that input by soliciting comments on agency decisions, holding public informational meetings, and more.
Residents' guide to stormwater permitting.