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MPCA plans to amend its 20-year old rules governing land treatment of petroleum-contaminated soil.
The Rainy River - Headwaters Watershed covers nearly 1.9 million acres, starting in northern Cook and Lake Counties and flowing west/northwesterly into St. Louis County and the Canadian border waters.
Groundwater and drinking water in the east Twin Cities metro area is contaminated with PFAS due to 3M's disposal practices at four sites in the area.
Permit addresses the most common causes of contaminated groundwater, including releases of petroleum, volatile organic compounds, and other hazardous substances.
The Duluth Urban Area Watershed is a focused geographic area designed to recognize the complexity and challenges in an urban center with a water-rich environment. It is defined by a series of small watersheds that are portions of three major watersheds.
General Waste and Recycling, LLC plans to convert approximately 19 acres of permitted industrial solid waste space in Itasca County so that it can accept nearly 100,000 cubic yards of municipal solid waste (MSW) per year.
The Minnesota Pollution Control Agency is committed to ensuring that every Minnesotan has healthy air, sustainable lands, clean water, and a better climate.
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 announced cleanup plans for the defunct Hibbing Gas Manufacturing Plant site, explained in a draft Minnesota Decision Document that is available for public comment until July 9, 2026.
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.
The MPCA added three sites to the state’s priority list of contaminated sites that need further investigation and cleanup under Minnesota’s Superfund law.
Trichloroethylene and perchloroethylene have contaminated groundwater and caused vapor intrusion issues at this site.
The National Crude Oil Spill Research Site near Bemidji was formed after a pipeline break released 10,000 barrels of crude oil in 1979.
The PFAS guidance document uses an evidence-based approach that builds upon the framework and strategies presented in previous MPCA publications.
The MPCA has released Minnesota’s PFAS Blueprint — a strategic, coordinated approach developed by multiple agencies to protect families and communities from per- and polyfluoroalkyl substances (PFAS).
The MPCA has developed best practices for vapor intrusion mitigation and public communication work used by the agencies and our contractors.
Groundwater is not a static thing, but moves around in the layers of rock and soil beneath our feet. How does this affect the work to treat contaminated groundwater and protect drinking water?
A recent $1 million MPCA grant round will fund projects focused on waste reduction and reuse. To invest in projects that will continue to offer benefits to Minnesotans well into the future, this grant round prioritized proposals that would replace single-use items with reusables or help build a trained repair workforce in Minnesota.
Ask the MPCA features questions Minnesotans have asked us, on the issues the agency works on, from waste disposal, water and air quality, and chemicals in products to recycling and reuse,…
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.