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401 Certification process for applying Minnesota water quality standards to federal permitting actions.
Minnesota rules allow for specific uses (called beneficial uses) of certain materials that otherwise would be classified as solid waste.
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.
State will begin engagement next month on an updated framework set to be released in 2025
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 Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for north and central Minnesota. The alert runs until 11 p.m. on Wednesday, July 30. Fine particle levels are expected to reach the red air quality index (AQI) category, a level considered unhealthy for everyone, across north central, northwest, northeast, and east central Minnesota, and the orange AQI category, a level considered unhealthy for sensitive groups, across central, east central, west central, north central, and northwest Minnesota.
Minnesotans are encouraged to share feedback through Nov. 9, 2025
The MPCA enforces federal and state requirements for air quality permitting.
The MPCA regulates waste, recycling, and disposal activities in Minnesota. MPCA permits are required for the design, construction, and operation of solid waste management facilities where storage, collection, transportation, processing or reuse, conversion, or disposal of solid waste occurs.
Testing found elevated levels of tetrachloroethylene/perchloroethylene (PCE or Perc) in soil vapors around the Dison’s Cleaners and Launderers site in Rochester.
New Flyer of America, a bus assembly plant in Saint Cloud, paid $12,112.50 for hazardous waste violations.
MPCA is opening the rule that regulates about 17,000 animal feedlots.
MPCA investigation determined Derek Vekich committed stormwater and wetland violations in 2024.
The MPCA provides assistance and training for program managers and operators of household hazardous waste (HHW) facilities to ensure compliance with environmental and worker protection laws and regulations.
The health of Minnesota's large rivers is a reflection of how well we are protecting overall water quality.
BALMM emphasizes land use practices to improve or protect water quality, particularly in the areas of watershed management, aquifer protection and floodplain management.
The We Are Water MN exhibit in Duluth's Hartley Nature Center runs from February 29 through April 22.
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.
The MPCA fined Cabinetworks Group’s Waconia facility, Wood Products, $11,520 for violations of its air permit.
SkyWater Technology violated federal laws and Minnesota rules, operating a semiconductor plant without an appropriate air permit in Bloomington, Minnesota.