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Details for solid waste management facility permit issuance and reissuance.
Complying with the MS4 general permit
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.
Environmental information and resources for the biochar industry.
Guidance on NPDES/SDS construction stormwater requirements
Industrial Stormwater Steps to Compliance - Step 5: Gather application materials before applying, use the e-Service to apply or modify coverage
Image Stormwater has an enormous impact on water quality in Minnesota, whether it's runoff from farm fields or from urban hardscapes. Rain and snow…
Details on major and minor modifications of a solid waste management facility permit.
A permit extension notification allows transfer stations and source-separated organic material (SSOM) compost facilities to apply for an extension of their permit without a complete permit reissuance application.
The Legislature has given the MPCA the authority to develop rules to protect state environmental resources.
Cities fined over $12,000 apiece for municipal wastewater violations
MPCA investigators say West Fraser paid a fine of $15,775 for air permit violations at their facility in Solway.
Agropur Inc., doing business as Le Sueur Cheese Company, land applied too much industrial byproduct, resulting in rates of nitrogen and phosphorus that exceeded the allowed limits by more than 10 percent. The violations occurred in 2022, near its cheese production facility in Le Sueur, Minnesota.
Permitted waste facilities, waste utilization projects, and waste haulers in Minnesota must submit regular reports to the MPCA.
Solid waste facilities may close or terminate their permit depending on the solid waste activities occurring at the site.
From 2023-2025, Northshore Mining released recycled water to the ground seven times and water relating to mining processes four times. Its largest unpermitted release was nearly 400,000 gallons of recycled water. Northshore Mining has documented equipment failure as the reason for the 11 releases.
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 Minnesota Pollution Control Agency (MPCA) has issued a final notice to Northern Iron for information required to determine compliance and to write a permit. If the agency does not receive the…
Metal recycler in Brainerd constructed and operated a metal shredder without obtaining an air permit and under-reported VOC emissions in 2022.
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.