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Every two years, MPCA creates a list of impaired waters in the state that do not meet water quality standards.

In 2023, Minnesota saw more air quality alerts covering more days than ever before. Smoke from Canadian wildfires throughout the summer caused many of the alerts, though climate change is playing a growing role in Minnesota's air quality.

Industrial stormwater steps to compliance Step 6: Meet requirements

The MPCA is proposing to amend Minnesota Rules governing animal feedlots.

Minnesota businesses, organizations, and municipalities seeking or holding MPCA wastewater permits are charged two basic types of permit fees: application fees and annual fees.

Guidance on NPDES/SDS construction stormwater requirements

In the management of construction stormwater, MPCA recognizes Southwest Light Rail Extension project for responsible development through stormwater controls.

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.

Elk River Landfill, Inc. proposes to expand its existing municipal solid waste (MSW) landfill near Elk River.

The MPCA and its many partners collect a wide variety of data on environmental conditions and pollution sources.

Solid waste facilities may close or terminate their permit depending on the solid waste activities occurring at the site.

The Cloquet River Watershed covers approximately 507,858 acres (794 square miles) and is located within portions of Lake and St. Louis Counties in northeastern Minnesota.

The MPCA provides workshops and conferences to help solid waste landfill operators get certified and stay up to date.

Guidance for submitting data to MPCA Remediation Division programs: Superfund, Site Assessment, Petroleum Remediation, Brownfields, RCRA Remediation, Closed Landfill, and Integrated Remediation.

Important details to help make your e-Service administrative submittal go as smoothly as possible.

All facilities with air permits must submit an annual emissions inventory report to the MPCA that tracks actual emissions of major pollutants at that facility.

Minnesota GreenCorps member Leslie Alcantar Mejia helped Hennepin County toward its goal of planting 1 million trees during her service term.

The MPCA has released the draft 2025 Minnesota Nutrient Reduction Strategy for public review and comment.

The Shell Rock River begins at Albert Lea Lake in Freeborn County in south-central Minnesota, a few miles from the Iowa border. It flows 113 miles into Iowa, where it enters the Cedar River. In Minnesota, the Shell Rock drains 246 square miles (160,000 acres), all in Freeborn County.

The MPCA works with industry, government, and residents to reduce and manage waste.