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Underground storage tank (UST) facilities must designate owners, operators, or employees as Class A, Class B, and Class C operators.
MPCA wastewater staff assigned by county.
Throughout her life, Jen Widmer has felt a deep connection to wetlands. As a child, she played broomball on the ice of a wetland near her home. She once attempted swimming in the wetland but was…
Clearing ice? Before you reach for the salt bag and begin to scatter, consider using other tools to get the job done that are less toxic to our waterways and our beloved pets, and will save you money.
Industrial Stormwater Steps to Compliance - Step 5: Gather application materials before applying, use the e-Service to apply or modify coverage
The MPCA has a variety of educational displays, programs, and materials about chloride pollution. We encourage our partners to utilize these resources to engage with their community.
Water scientists from the MPCA published four watershed reports in 2025, updating the data we need to keep Minnesota’s waters clean and protected.
According to a Minnesota Pollution Control Agency (MPCA) enforcement investigation, Elliott Auto Supply Co. improperly stored hazardous waste, allowed them to accumulate and leak inside its vehicle fluid manufacturing facility in St. Paul, Minn.
The Mustinka River begins its course southwest of Fergus Falls in southwestern Otter Tail County and flows toward the south into Grant County, where it continues through Stony Brook Lake and Lightning Lake.
Facilities that have site-specific state implementation plan (SIP) requirements may make changes to their operations that require changes to either their Administrative Order or Title I SIP…
Companies penalized for improperly releasing polluted stormwater at Xcel Energy’s St. Paul Service Center construction site on the east side of Saint Paul.
The Watershed Pollutant Load Monitoring Network (WPLMN) is a partnership that collects data on water quality and flow in Minnesota.
In most of Minnesota’s livestock-dense counties, feedlot oversight is a cooperative effort between the MPCA and county government.
The Wild Rice River begins its course at Mud Lake in Minnesota's Clearwater County, and flows largely to the west through Norman and Mahnomen counties.
Industrial stormwater steps to compliance Step 6: Meet requirements
PFAS are persistent and problematic chemicals that are found throughout the environment and not just in areas where large quantities have been manufactured, disposed of, or spilled. PFAS are…
MPCA investigation in May 2024 found violations related to stormwater at three facilities.
The MPCA fined Regions Hospital $100,000 for improperly disposing of infectious waste in its mixed municipal solid waste in 2024.
Technical assistance to small, rural, and Tribal wastewater facilities
Minnesota rules require that anyone installing, repairing, or removing regulated underground storage tanks be certified by the MPCA.