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U.S. Steel Corp. operates a taconite mine and processing plant known as Keetac north of Keewatin, where it produces taconite pellets for use at iron and steel mills.
3M will use an advanced wastewater treatment system to remove per- and polyfluoroalkyl substances (PFAS) from its Chemical Operations facility in Cottage Grove.
New Resource Management Report explores how Minnesota could greatly reduce landfill disposal by 2045 through policy changes, major system investments, and performance from emerging technologies.
MPCA plans to amend existing Minnesota Rules governing permits and solid waste landfills (chapters 7001 and 7035).
Dentists in Minnesota must meet federal and state requirements to limit the amount of mercury in their wastewater.
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.
Minnesota’s extended producer responsibility bill for packaging, food packaging, and paper products requires a producer responsibility organization to reduce the environmental and human health impacts of these materials.
PolyMet Mining plans to develop a mine and processing plant to extract copper, nickel, and precious metals.
The MPCA is planning new rules governing air quality. The main purpose is to adopt new rules to implement and govern regulation of facilities that emit air toxics.
James Wooton puts his scuba diving skills to work monitoring for aquatic invasive species in Otter Tail County lakes.
Minnesotans are encouraged to share feedback through Nov. 9, 2025
Planned amendments to Minn. Rules ch. 7050 affect the Class 1 beneficial use, which protects waters (both surface and groundwater) used as a source for domestic consumption.
The MPCA proposes adding 46 new impaired bodies of water and removing 45 impairments from bodies of water from the IWL, the most removals in a two-year cycle since the state began the IWL program in 1992.
Through a certificate of need process, MPCA is offering existing landfills the opportunity to expand their existing capacity.
MPCA seeks public comment on a proposed air permit for the U.S. Steel Keetac mining facility in Keewatin, Minn.
The capped emission permit is designed for non-complex facilities that do not require site-specific permit conditions.
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…
Find out whether your feedlot needs to register, to get an environmental review, or apply for a permit.
The MPCA invites the public and manufacturers to provide comments on the reporting and fees rule for products containing PFAS.
Every Minnesotan — regardless of income, race, ethnicity, color, or national origin — has the right to healthy air, sustainable lands, clean water, and a better climate.