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Heartland Corn Products failed emission stack tests in November 2021 and February 2022 for volatile organic compounds and particulates at its ethanol production facility in Winthrop, Minn.
This watershed is located in the southeastern tip of Minnesota, known for its scenic bluffs. More than 900,000 acres drain to the Mississippi River at Reno, Minn., but only 117,000 of those acres are in Minnesota.
The MPCA has initiated a declaratory judgement action against the owners of the Freeway Landfill and Freeway Dump in Burnsville to protect the drinking water supply for Burnsville and Savage residents.
The MPCA sought applications from contractors to partner with auto repair shops, dealerships, tech colleges or other entities to identify and fix high-emitting vehicles.
Water scientists from the MPCA published four watershed reports in 2025, updating the data we need to keep Minnesota’s waters clean and protected.
Image Although Minnesota is rich in lakes and streams, Lake Superior is easily the most spectacular waterbody in Minnesota. Despite its immense size…
Forms and guidance for local partners submitting surface water data, QA/QC information and progress reports to MPCA.
The MPCA created a statewide inventory of streams that have been hydrologically modified: channelized, ditched, or impounded
Composting your Halloween jack-o'-lantern is a good way to keep it out of the landfill. So is giving it to a local farmer.
Industrial Finishing Inc. violated several water quality permit conditions relating to required sampling, training, reporting and inspections at its industrial equipment coating and finishing facility in Deer Creek, Minn.
East Side Jersey Dairy Inc., doing business as Prairie Farms Dairy Inc., had several liquid sugar spills they failed to report to the Minnesota Duty Officer in 2022 and 2023. The spills created a potential for harm to the environment and aquatic life had they reached wetlands near the company’s facility in Woodbury, Minnesota.
Central Specialties Inc., based in Alexandria, violated several air permit conditions between 2021 and 2023 for its mobile hot-mix asphalt facility stationed at various locations around the state. Violations included failing to properly maintain pollution control equipment and inadequate recordkeeping and reporting.
In 2009, a federal court ruled that NPDES permits were required for all biological and chemical pesticide applications that leave a residue in water when applications are made in, over, or near waters of the United States.
Researchers collect samples of sediment from the bottom of Lake of the Woods in 2024. (Photo courtesy of St. Croix Watershed Research Station) After years of study…
The Minnesota River - Yellow Medicine River Watershed (1.3 million acres) has traditionally been managed as two separate watersheds, the Hawk Creek Watershed to the north of the Minnesota River and the Yellow Medicine River Watershed to the south.
James Wooton puts his scuba diving skills to work monitoring for aquatic invasive species in Otter Tail County lakes.
The Lower Red River Watershed (also known as the Red River of the North - Tamarac River) drains an area of 281,000 acres, including parts of Kittson, Marshall, and Roseau counties.
The MPCA works with industry, government, and residents to reduce and manage waste.
Company failed to install and upgrade equipment compatible with the fuels it was storing at seven of its convenience stores in Freeborn and Mower counties.
POET Biorefining-Glenville LLC violated several air permit conditions between 2018 and 2023 at its ethanol production facility in Albert Lea, Minn. The facility emitting more particulate matter and volatile organic compounds than allowed by permit over the course of five years.