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Volkswagen settlement funds are helping MPCA clean up air pollution and invest in cleaner transportation to support a healthy environment and reduce emissions in Minnesota, especially in communities most impacted by vehicle pollution.
The Regional Haze Rule requires states to improve visibility in our nation's national parks and wildernesses (Class I areas) and restore them to natural visibility conditions by 2064.
Answers to common questions about the Construction Stormwater Permit application
Minnesota GreenCorps member Heidi Blum focused on waste reduction and recycling in Edina, Minnesota.
In most of Minnesota’s livestock-dense counties, feedlot oversight is a cooperative effort between the MPCA and county government.
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 Mississippi River - Sartell Watershed covers approximately 652,800 acres (1,020 sq. miles) in the central part of the Upper Mississippi River Basin. The watershed includes parts of Benton, Crow Wing, Mille Lacs, Morrison, Stearns, and Todd counties.
The MPCA solicited project proposals to distribute $10 million to communities for projects to prepare local wastewater infrastructure for the impacts of climate change. These projects are specifically meant to protect water quality and increase resilience.
Approximately $4.5 million was available to support prevention of wasted food and food rescue projects across the state.
Requirements for discharges from a project site and/or management control site(s).
The Snake River begins its 50-mile course in Marshall County and drains an area of 611,800 acres. The Snake River Watershed lies within Marshall, Polk, and Pennington Counties in NW Minnesota.
MPCA's fish sampling process and why we do it
Volunteers can search for a lake or stream site that works for them and sign up to monitor it.
We hope to make your monitoring experience as easy and enjoyable as possible. If you have any questions, or don’t find the resources you need, please contact us. 13456: Volunteer water…
Environmental information and permits that affect businesses using boilers.
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.
The MPCA has developed best practices for vapor intrusion mitigation and public communication work used by the agencies and our contractors.
Air quality dispersion modeling uses a computer model to estimate air pollution concentrations from regulated facilities and other sources of pollution.
In Minnesota, wastewater treatment operators must be certified to ensure that facilities meet operational requirements.
Northern Iron operates an iron foundry in an environmental justice area in Saint Paul's Payne-Phalen neighborhood.