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MagIron LLC proposes to restart a mining and processing facility near Grand Rapids, which will require new air and industrial wastewater permits from the MPCA.
Septic tanks must be registered in Minnesota to ensure they are watertight and have adequate structural integrity.
In addition to the vessel requirements in the EPA VGP and Minnesota’s ballast water general permit, vessels must follow the requirements in Minnesota Statutes and Minnesota’s 401 certification of the VGP.
The MPCA has developed best practices for vapor intrusion mitigation and public communication work used by the agencies and our contractors.
The MPCA issued a new air quality permit for this manufacturing facility in White Bear Township.
Streams of the Upper St. Croix Watershed are among the most biologically intact, healthy, and resilient of watersheds in Minnesota.
From January through March 2025, MPCA air monitoring data showed elevated lead levels that exceeded national ambient air quality standards near the facility. An MPCA inspection of Gopher Resource in spring 2025 confirmed that the source of the elevated lead levels was addressed.
In Minnesota, handlers of oil and hazardous substances are required to prepare for potential spills and take steps to prevent them.
An MPCA investigation determined that General Mills violated state rule at its oat processing facility in Fridley on several occasions from 2019 through 2023.
Minnesota samples a network of shallow monitoring wells designed to provide early detection of contamination in the groundwater.
The Mississippi River - Twin Cities Watershed is 656,990 acres and lies almost entirely in the North Central Hardwoods Forest ecoregion in the Mississippi River Basin. The watershed contains 1,320 stream miles and 380 lakes. More than 1.8 million people live in this watershed.
Permit applications must include detailed emissions calculations to help determine which permit type or permit amendment is needed.
Image In Minnesota, 2,469 schools serve more than 898,000 K-12 students and employ thousands of teachers and staff. An MPCA study found that Minnesota…
Medicines flushed down the drain can contaminate water, which can hurt fish and other aquatic wildlife, and end up in our drinking water.
Technical assistance to small, rural, and Tribal wastewater facilities
Image Many commercial buildings in Anoka, Carver, Dakota, Hennepin, Ramsey, Scott, and Washington counties are required to recycle at least three of the…
In Minnesota, commercial entities that produce any amount of hazardous waste are regulated as hazardous-waste "generators."
The capped emission permit is designed for non-complex facilities that do not require site-specific permit conditions.
Environmental information and resources for the aggregate industry.
Details on sampling and monitoring requirements of your industrial stormwater permit.