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Profile of John Weiss, a volunteer with the MPCA's Volunteer Water Monitoring Program

Emissions generated from gasoline and diesel powered vehicles are the greatest source of air pollution in Minnesota

MPCA's compliance and enforcement program tracks how well wastewater treatment facilities are complying with their permits and takes enforcement actions when necessary.

Learn what a brownfield is, how it can negatively affect communities, and resources for cleaning one up.

Certain types of permits and approvals to conduct solid waste activities require a notification to the MPCA of the intent to perform the specified solid waste activity.

Certain types of permits and approvals to conduct solid waste activities require a notification to the MPCA of the intent to perform the specified solid waste activity.

SSTS staff contact information and areas of responsibility.

Enbridge Energy is continuing restoration work around its new Line 3 crude oil pipeline across Minnesota. The new line replaces an aging Line 3 and began operating in October 2021, after Enbridge completed the project’s construction phase.

Increasing organics collection and processing infrastructure is necessary to meet statewide recycling goals

The St. Louis River Watershed covers 3,584 square miles at the head of the Great Lakes and represents the extreme headwaters of the St. Lawrence River.

Studies of Minnesota’s waters show that contaminants of emerging concern are widespread in the state’s lakes and rivers.

MPCA’s work on the climate-smart food systems grant from the EPA is ongoing amid strong interest

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

Image MPCA staff provide technical assistance to businesses seeking to improve their environmental performance and prevent pollution.Small business…

MPCA is planning new rules governing how the MPCA determines currently unavoidable uses of per- and polyfluoroalkyl substances (PFAS) in products.

Four watershed scientists had an article published in LakeLine magazine. They report on 20 years of success getting lakes cleaned up.

The MPCA is planning new rules governing air quality. The main purpose is to adopt new rules to implement and govern regulation of facilities that emit air toxics.

Minnesota rules allow for specific uses (called beneficial uses) of certain materials that otherwise would be classified as solid waste.

Roundup of key environmental justice laws passed by the Legislature in 2023

Protecting and restoring water quality is one of the MPCA's core areas of focus.