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Where possible, permit holders must use MPCA's e-Services to apply for reissuance and administrative amendments.
Chemicals in the air toxics emission inventory.
The AQI was developed to provide a simple, uniform way to report daily air quality conditions.
The Air We Breathe report looks at public health and air quality data to gauge how air pollution is affecting our health in Minnesota.
The MPCA recognized 236 wastewater facilities for outstanding operations in 2024.
Air pollution levels in Minnesota have steadily decreased over the past few decades and currently meet federal standards. But even levels that meet or are below these standards can affect people’s…
Sanimax USA LLC failed to seek a required major air permit amendment and conduct air emissions modeling prior to making changes to its pollution control equipment systems in 2019 at its animal products rendering facility in South St. Paul, Minnesota.
Determine if your facility requires an air permit and, if so, which permit type may be the best fit for your business.
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.
The MPCA strives to ensure all people in Minnesota have clean air, regardless of where they live or work.
Create an editable spreadsheet of details about your facility to make calculations of emissions.
Are pets affected by poor air quality? Will wearing a mask help when I’m outside? What is particulate pollution? We’ve got the answers.
MPCA recognized 253 municipal and industrial wastewater treatment plants for outstanding operations in 2023.
MPCA investigators say West Fraser paid a fine of $15,775 for air permit violations at their facility in Solway.
Any facility that emits air pollutants above certain levels is required to have an air quality permit.
MPCA investigation in 2025 found that Sheldahl Flexible Technologies submitted incorrect permit applications and failed to obtain MPCA approval prior to installing or modifying three pieces of industrial mixing equipment.
Located in south-central Minnesota, the Le Sueur River flows 111 miles through a gently rolling landscape, most of it farmland, until it cuts down through high bluffs to the Blue Earth River.
Cumulative impacts are the combined effects of current and past pollution and other stressors and how they impact the health, well-being, and quality of life of residents in those communities. The cumulative effects process is how we in Minnesota account for and begin to correct environmental injustices.
Failed to properly operate its wastewater treatment facility for the River Park housing development in Oronoco, Minnesota, from Aug.-Dec 2023 before connecting to the newly constructed Oronoco wastewater treatment plant.
The MPCA fined Cabinetworks Group’s Waconia facility, Wood Products, $11,520 for violations of its air permit.