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Forms, guidance, and assistance to apply for an air quality permit.
A gateway to common regulatory information that affects stationary engines.
The MPCA provides additional guidance on air permitting and regulation requirements: New source review – Obtain a permit before beginning construction on new major-emitting industrial facilities…
Details for solid waste management facility permit issuance and reissuance.
Certain types of permits and approvals to conduct solid waste activities require a notification to the MPCA of the intent to perform the specified solid waste activity.
Sulfur dioxide (SO2), a foul-smelling toxic gas, is part of a larger group of chemicals called sulfur oxides. These gases, especially SO2, are emitted by the burning of fossil fuels or other…
Where possible, permit holders must use MPCA's e-Services to apply for reissuance and administrative amendments.
Guidance for small businesses on reporting air emissions.
An individual solid waste permit is tailored to a specific solid waste facility or activity.
Minnesota state agencies and local governments are working together to protect drinking water supplies.
Complying with the MS4 general permit
General permit intended for facilities using processes including abrasive blasting, brazing, catalytic or thermal oxidizers, dip tanks, injection molding, resin and gel coating, spraying and coating activities, and welding.
Permitted waste facilities, waste utilization projects, and waste haulers in Minnesota must submit regular reports to the MPCA.
Permitted waste facilities, waste projects, and waste haulers in Minnesota must submit regular reports to the MPCA.
What is a stormwater catch basin, and should I be worried about it?
The Cloquet River Watershed covers approximately 507,858 acres (794 square miles) and is located within portions of Lake and St. Louis Counties in northeastern Minnesota.
Water scientists from the MPCA published four watershed reports in 2025, updating the data we need to keep Minnesota’s waters clean and protected.
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.
The MPCA has adopted amended rules relating to when maintenance of a closed landfill should end.
Air quality dispersion modeling uses a computer model to estimate air pollution concentrations from regulated facilities and other sources of pollution.