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A legacy of trichloroethylene disposal at the General Mills/Henkel Corp. Superfund Site at 2010 East Hennepin created an area of groundwater contamination that has led to vapors traveling upward through the soil, where it can enter houses and buildings.

From shorter winter ice seasons to shifting fish populations, climate change is transforming Minnesota lakes as we know them.

In Minnesota, handlers of oil and hazardous substances are required to prepare for potential spills and take steps to prevent them.

MagIron LLC proposes to restart a mining and processing facility near Grand Rapids, which will require new air and industrial wastewater permits from the MPCA.

MPCA plans to amend existing Minnesota Rules governing permits and solid waste landfills (chapters 7001 and 7035).

During the permitting process for a facility, the MPCA will determine whether to require a cumulative impacts analysis.A cumulative impacts analysis provides a comprehensive look at all burdens that…

Many industrial by-products are good candidates for land application based on their nutrient content.

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

When leaves fall on streets, sidewalks, and other hardscapes in urban areas, they wash into the storm drains and end up in lakes and rivers where they feed algae growth. The algae then decomposes and uses up oxygen that fish and native plants need.

The MPCA issued the most recent municipal stormwater general permit (MNR040000) in November 2020.

Coal tar-based sealants can no longer be sold or applied legally in Minnesota as of 2014.

Feedlot nutrient and manure management

MPCA reports to the state Legislature.

The Minnesota Pollution Control Agency's Emergency Response Program (ERP) oversees the cleanup of all types of spills and environmental emergencies.