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MPCA has developed a draft wastewater permit for the MagIron LLC facility near Grand Rapids, Minn. The facility will process former natural iron ore mining waste material into high-grade, low-impurity iron ore concentrate at the site and supply electric arc furnace steelmaking.
Cleanup and recovery from a natural disaster depends on local units of government to guide and direct residents to ensure the effective and efficient disposal of wastes in accordance with statutes, rules, and guidelines.
The MPCA fined West Fraser Forest Products $24,750 for exceeding the total amount of hazardous air pollutants (HAPs) allowed by the air permit for the company’s Solway facility from January 2024 to January 2025.
Thermal paper is thin with a slick feel or sheen finish and discolors easily when scratched.
Minnesota continues to reduce industrial and transportation air pollutants that have the highest potential health risks. Investment in clean air for all Minnesotans is a top priority for the MPCA and Governor Walz.
Sustainable aviation fuel (SAF) is low-carbon synthetic fuel made from non-petroleum sources that is blended with traditional jet fuel to reduce greenhouse gas emissions from air transportation.
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.
A TMDL addressing excess bacteria in 22 stream reaches and protection strategies for 29 stream and river reaches in the Upper Mississippi River watershed.
Public entities In Minnesota, most sustainable purchasing requirements are implemented at the local government level. However, there are some state requirements for public entities: Minnesota state…
Groundwater and drinking water in the east Twin Cities metro area is contaminated with PFAS due to 3M's disposal practices at four sites in the area.
To ensure that every person in Minnesota has healthy air to breathe, the MPCA studies, monitors, and regulates air pollutants, primarily in three categories: criteria pollutants, air toxics, and greenhouse gases.
There are two types of federal air regulations, the National Emission Standards for Hazardous Air Pollutants (NESHAPs) and New Source Performance Standards (NSPSs). Either or both regulations may…
The MPCA provides climate change technical assistance to Minnesotan, including one-on-one consultation or small group facilitation, to assess current capacity, build on strengths, and address underlying needs.
Image Air quality is expected to reach the orange AQI category in northeast Minnesota, which is unhealthy for sensitive groups.The Minnesota Pollution…
The 2026 Climate Action Framework prioritizes reducing greenhouse gas emissions and protecting Minnesotans
A legacy of trichloroethylene disposal at the General Mills/Henkel Corp. Superfund Site at 2010 East Hennepin created an area of groundwater contamination that has led to vapors traveling upward through the soil, where it can enter houses and buildings.
Minnesota GreenCorps members serving with the City of Minneapolis developed a mini-course for residents about responsible use of deicing salt.
The Minnesota Pollution Control Agency has developed a draft air permit for MagIron LLC in Coleraine that will require a fugitive dust control plan to help reduce emissions of particulate matter from roads, storage, stockpiles, and exposed mining areas.
Researchers collect samples of sediment from the bottom of Lake of the Woods in 2024. (Photo courtesy of St. Croix Watershed Research Station) After years of study…
What is a stormwater catch basin, and should I be worried about it?