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One indicator of impairment that puts a stream on the Impaired Waters List is its macroinvertebrate population. Here's how that works.

Bagnado, a 25-foot-tall spinning tornado of plastic bags, will return to Eco Experience at the Minnesota State Fair

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 has announced that 7 grant recipients will receive a total of $4.5 million for projects that expand or improve the efficiency of organics management operations in Minnesota.

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.

Answers to frequently asked questions about compliance and MPCA's enforcement of environmental rules in Minnesota.

New major-emitting industrial facilities and major modifications of existing facilities must obtain a permit before construction and include the best pollution-control technology available if they significantly increase emissions.

The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.

The MPCA 401 certification fills a unique niche in protecting water quality by applying state water quality standards to projects.

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.