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Environmental information and permits that affect hot mix asphalt plants.

Some facilities may have air emissions low enough to qualify as "insignificant," and not be required to have an air permit.

Governor Walz appointed Katrina Kessler as MPCA commissioner effective November 1. Kessler has been serving as an assistant commissioner.

PolyMet Mining plans to develop a mine and processing plant to extract copper, nickel, and precious metals.

The MPCA completed 75 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2024.

MPCA is planning new rules governing air quality, establishing new rules for odor management plan requirements.

Mesabi Metallics is currently constructing a new taconite mine and taconite pellet production facility on the site of the former Butler Taconite Mining Company facility near Nashwauk.

Environmental information and resources for the aggregate industry.

The operator of Pine Bend Landfill proposes to increase the height of the landfill by 85 feet, expanding its capacity by nearly 8.2 million cubic yards and extending its operational life through 2045.

The St. Louis River Mercury TMDL will determine mercury reductions needed for lakes and rivers in the St. Louis River watershed.

During the 2023 legislative session, Minnesota invested over $100 million to fund grant programs that support investment in climate resilience. Each initiative supports MPCA’s implementation of Minnesota’s Climate Action Framework.

The MPCA provides climate change technical assistance to Minnesotan, including one-on-one consultation or small group facilitation, to assess current capacity, build on strengths, and address underlying needs.

Smart Salting training helps improve operator effectiveness and reduce chloride pollution while keeping roads, parking lots, and sidewalks safe.

The MPCA has developed best practices for vapor intrusion mitigation and public communication work used by the agencies and our contractors.