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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.
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.
An air emissions risk analysis estimates the potential human health risks from air pollution emitted by a facility.
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.
Standard operating procedures (SOPs) reflect how agency staff and contracted partners complete agency-funded field activities.
Water quality trading is a market-based approach to the protection and restoration of surface waters, another tool to be used in conjunction with existing voluntary, regulatory, and financial assistance programs.
The Minnesota Nutrient Reduction Strategy (NRS) compiles the latest science, research, and data and recommends the most effective strategies to reduce nutrients in our waters from both point and nonpoint sources.
Businesses with low levels of actual emissions can submit a simplified permit application and obtain a registration permit, with greater flexibility to make changes as long as they continue to maintain permit requirements.
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…
Trichloroethylene and perchloroethylene have contaminated groundwater and caused vapor intrusion issues at this site.
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.
Wood waste from trees in the Twin Cities and other urban areas in Minnesota is a growing problem and highlights the need for more efforts to make use of this urban wood.
Create an editable spreadsheet with the information indicated below. Each step in your calculations needs to be clear and easy to follow.Facility informationProvide the facility ID, file number, and…
The Zumbro River Watershed covers more than 900,000 acres and reaches parts of six counties in southeast Minnesota (Olmsted, Dodge, Steele, Rice, Goodhue, and Wabasha). Rochester, one of Minnesota's largest cities, is located in the southeast quadrant of the watershed.
Find out what’s being done in Minnesota’s watersheds to protect and improve water quality.
The Blue Earth River begins in northern Iowa and meets with the West Branch Blue Earth River in Faribault County. The watershed includes parts of eight counties in southern Minnesota and four in northern Iowa.
Air quality dispersion modeling uses a computer model to estimate air pollution concentrations from regulated facilities and other sources of pollution.
A TMDL to address E. coli aquatic recreation impairments in five main-stem reaches of the Minnesota River.
The MPCA solicited project proposals to distribute $10 million to communities for projects to prepare local wastewater infrastructure for the impacts of climate change. These projects are specifically meant to protect water quality and increase resilience.
We Are Water MN travels to Leech Lake, where Raining White works to protect and restore manoomin, or wild rice.