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Ready-to-run meteorological data suitable for AERMOD.
Smith Foundry has ceased operations at its East Phillips facility after an investigation and settlement with the U.S. EPA that the MPCA supported.
Pig’s Eye Dump in Saint Paul has been slated for cleanup and restoration.
AccessibilityThe Minnesota Pollution Control Agency is committed to accessibility on its website. As part of that commitment, the MPCA makes every effort to comply with the State of Minnesota…
A watershed is the area of land where all of the water that drains off of it goes into the same place — a river, stream or lake.
States are responsible for developing a Regional Haze State Implementation Plan (SIP) that addresses regional haze in each Class I area located within the state and in each Class I area located…
Application fees must be submitted with your permit application. The submittal cover page form will help you add up the points assigned to each type of permit application or request. Multiply the…
The MPCA completed 78 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2025, for a total of 146 for the year.
Permitted waste facilities, waste utilization projects, and waste haulers in Minnesota must submit regular reports to the MPCA.
A training and certification program for evaluating aquatic life in Minnesota’s rivers and streams.
Pretreatment by commercial facilities and other non-domestic wastewater sources removes harmful pollutants before the wastewater is discharged to a municipal sewer system. The U.S. EPA has delegated MPCA the authority to approve pretreatment programs at the local level and oversee statewide pretreatment activities.
MPCA issues coverage to construction site owners and their operators to prevent stormwater pollution during and after construction, and protect Minnesota's water resources.
The northeast region of Minnesota is home to the state’s metallic mining industry. The "Iron Range" has a history of iron ore (“ferrous”) mining dating back to the late 1800s and includes the large…
Permitted waste facilities, waste projects, and waste haulers in Minnesota must submit regular reports to the MPCA.
Training resources for feedlot officers in Minnesota.
Planned amendments to Minn. Rules ch. 7050 affect the Class 1 beneficial use, which protects waters (both surface and groundwater) used as a source for domestic consumption.
Tools to help small businesses determine if they need an air emissions permit and/or track compliance with their current air emissions permit.
To reduce contamination at compost facilities, Minnesota’s compostable product labeling law requires all bags, packaging, and food service products labeled as “compostable” and sold in Minnesota after Jan. 1, 2025, to meet certain requirements.
Kathy Wagner, recipient of the 2025 Community Conservationist Award from the Minnesota Pollution Control Agency (MPCA) and Minnesota Association of Soil and Water Conservation Districts (MASWCD), discusses her personal conservation work and local environmental advocacy.
The MPCA has begun work to implement a groundbreaking new law to remedy Minnesotans’ disproportionate exposure to pollutants.