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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.
Tools to help small businesses determine if they need an air emissions permit and/or track compliance with their current air emissions permit.
Environmental information and permits that affect businesses using stationary engines or generators.
Any facility that is engaged in a narrative activity or a primary SIC code, as listed in the Multi-Sector General Permit, needs to apply for industrial stormwater permit coverage or certify for No Exposure.
The fines stem from a release of sediment-laden water into a county ditch, and subsequent failures to notify, repair, and report on the incident.
In Minnesota, certain tasks in the design, installation, repair, maintenance, operation, or inspection of septic systems can only be done by certified individuals. Find out what training, experience, and exams are required to fulfill the requirements for certification.
How to prepare recycling for the curb
Complaints of discrimination will be investigated
The MPCA added three bodies of water to the impaired waters list for PFAS contamination. Which are they? How did they get polluted? And how much PFAS does it take to contaminate a body of water?
The MPCA has started a study intended to understand and document the variation in naturally occurring sulfate levels across the state.
Environmental information and permits that affect businesses using boilers.
Important details to help make your e-Service submittal go as smoothly as possible.
The northeast region of Minnesota is home to the state’s metallic mining industry. The "Iron Range" has a history of iron ore (“ferrous”) mining dating back to the late 1800s and includes the large…
The MPCA is collaborating with many federal, Tribal, state, and local partners to clean up contaminated sites in the Duluth harbor and St. Louis River.
From 2023-2025, Northshore Mining released recycled water to the ground seven times and water relating to mining processes four times. Its largest unpermitted release was nearly 400,000 gallons of recycled water. Northshore Mining has documented equipment failure as the reason for the 11 releases.
Companies penalized for improperly releasing polluted stormwater at Xcel Energy’s St. Paul Service Center construction site on the east side of Saint Paul.
Environmental information and permits that affect hot mix asphalt plants.
MPCA has released the first in a series of reports on industrial uses of PFAS in Minnesota and identifying alternatives.
Question and answer session with Lisa Weidemann, a community affairs specialist with the MPCA, about her work with the agency.
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.