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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.
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Implementing water quality standards come with tangible costs and benefits. Costs such as taxes to residents, regulated parties, and communities help achieve benefits such as increased property values, tourism, and protecting human health.
The Snake River begins its 50-mile course in Marshall County and drains an area of 611,800 acres. The Snake River Watershed lies within Marshall, Polk, and Pennington Counties in NW Minnesota.
As part of the MN Cup competition, MPCA offers a Sustainable Chemistry Prize of $10,000 to technologies and products that were designed using one or more green chemistry principles or that demonstrate safer or more sustainable chemistry than those already on the market.
The MPCA's air monitors continually measure pollutants. With this data, the agency can track pollution trends over time and show if outdoor air meets air quality standards and health benchmarks.
Minnesotans are encouraged to share feedback through Nov. 9, 2025
Guidance and recommendations for local officials dealing with public health issues related to blue-green algae.
Protecting and restoring water quality is one of the MPCA's core areas of focus.
Prevent costly sewer clogs by keeping grease out of sinks and by not flushing disposable wipes.
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…
Pesticide NPDES permit steps to compliance Step 4: Report adverse pesticide incidents
EPA awards Minnesota $200 million in Climate Pollution Reduction Grants
The Legislature has given the MPCA the authority to develop rules to protect state environmental resources.
Thermal paper is thin with a slick feel or sheen finish and discolors easily when scratched.
Apply for funds to help assess sites with known or suspected contamination and develop remediation plans.
The Root River starts as a drainage ditch in Mower County, then winds 81 miles from intensely farmed areas through more wooded, rolling terrain, and finally empties into the Mississippi River south of La Crosse, Wisconsin.
Located in southeast Minnesota and northeast Iowa, the Upper Wapsipinicon Watershed lies within the Eastern Iowa and Minnesota Drift Plains portion of the Western Corn Belt Plains ecoregion.
The Big Fork River Watershed covers more than 1.3 million acres that include some of the state’s most pristine wilderness. The river flows north 165 miles from Dora Lake (45 miles northeast of Bemidji in north-central Itasca County) to the Rainy River, which forms the Minnesota-Canada border.
Minnesota rules require that anyone installing, repairing, or removing regulated underground storage tanks be certified by the MPCA.