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Emissions generated from gasoline and diesel powered vehicles are the greatest source of air pollution in Minnesota
A project to address high levels of suspended sediment in the Minnesota River and the South Metro portion of the Mississippi River.
The Minnesota Pollution Control Agency (MPCA) today took another step forward in addressing nitrate pollution statewide by issuing updated water permits for about 1,000 large feedlot operations. These permits take effect when the current ones expire.
The Regional Haze Rule requires states to improve visibility in our nation's national parks and wildernesses (Class I areas) and restore them to natural visibility conditions by 2064.
MPCA is planning new rules governing air quality, establishing new rules for odor management plan requirements.
MPCA and MDH statement on the U.S. EPA's maximum contaminant levels for PFAS in drinking water.
Initial screening information for a contaminant of emerging concern, beta-sitosterol.
The MPCA had approximately $135,000 in grant funding to help Minnesota businesses and organizations purchase bicycles and electric-assisted bicycles (e-bikes) for commercial use.
As Minnesotans prepare for another summer of outdoor activities, MPCA meteorologists are forecasting a moderately active air quality season.
The 2026 Climate Action Framework prioritizes reducing greenhouse gas emissions and protecting Minnesotans
MPCA seeks public comment on two draft industrial wastewater permits for U.S. Steel Corp.’s Keetac mining area and tailings basin in Keewatin, Minnesota. These permits will improve protections for wild rice waters and human health.
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.
Apply for funds to help assess sites with known or suspected contamination and develop remediation plans.
Dakota County is now hosting We Are Water MN, a traveling exhibit and community engagement program that explores Minnesotans’ relationships with water.
The Minnesota Pollution Control Agency (MPCA)’s draft wastewater permit for the 3M facility at Cottage Grove adds new water quality protections for the Mississippi River and improves accountability through monitoring and reporting requirements. The draft permit is one of the most rigorous in state history and mandates the removal of certain per- and polyfluoroalkyl substances (PFAS) to levels below detection.
The MPCA is proposing to amend Minnesota Rules governing animal feedlots.
First of a series of MPCA staff profiles. Kevin Stroom conducts research on streams and has published a report about Straight River.
Southeastern Minnesota is characterized by an unusual type of geography called karst, where the distinction between groundwater and surface water is blurry.
This year’s forum will focus on ways to reduce nitrogen in Minnesota’s water, and ways that agricultural and urban partners are working together to improve water quality.