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The 2025 MPCA annual report on Brownfields celebrated numerous major achievements cleaning up and rehabilitating polluted properties.
Trichloroethylene and perchloroethylene have contaminated groundwater and caused vapor intrusion issues at this site.
The Precision Plating site in north Minneapolis was formerly home to a metal plating facility where solvents and metals were released into the soil and groundwater.
Elevated levels of trichloroethylene (TCE) are present in soil, soil vapor, and groundwater around this site in New Hope.
Smith Foundry has ceased operations at its East Phillips facility after an investigation and settlement with the U.S. EPA that the MPCA supported.
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.
A brownfield assessment is a property investigation looking for potential contamination.
The MPCA has developed best practices for vapor intrusion mitigation and public communication work used by the agencies and our contractors.
State Superfund sites are listed on the Minnesota Permanent List of Priorities (PLP) primarily in order to access funding when responsible parties are unwilling or unable to conduct the necessary site investigation and cleanup.
The chemical 1,4-dioxane, a likely carcinogen, was found in private wells near Bunker Lake Blvd. and Crosstown Blvd.
The Minnesota Pollution Control Agency (MPCA) is planning to add sites in New Hope, Saint Paul, and Rochester to the state's Permanent List of Priorities (PLP). Members of the public are invited to provide comments.
The MPCA's Petroleum Remediation Program addresses risks to people and the environment from contamination caused by leaking petroleum storage tanks.
The MPCA provides additional guidance on air permitting and regulation requirements: New source review – Obtain a permit before beginning construction on new major-emitting industrial facilities…
Systems to treat drinking water have been installed to address groundwater contamination in two St. Louis Park and three Edina municipal wells.
Elevated levels of tetrachloroethylene and trichloroethylene have been found in soil vapor around this site in St. Paul.
Financial assistance for assessment and clean up of contaminated sites in Minnesota.
Vapor intrusion occurs when chemical vapors migrate from contaminated groundwater through the soil into the basements or foundations of buildings.
Healthy land and soil is essential for thriving Minnesota communities. It drives economic development and opportunity, improves our health, and contributes to clean water for drinking and recreation…
The MPCA investigates sites where hazardous substances have been or could be released to identify risks and appropriate remediation plans.
The MPCA plans to amend Minnesota Rules chapter 7152 on the Minnesota Dry Cleaner Reimbursement Account to ensure consistency and compliance with state statutes and rules by updating the reimbursement rates for consultant and contractor services for environmental response action costs.