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The chemical 1,4-dioxane, a likely carcinogen, was found in private wells near Bunker Lake Blvd. and Crosstown Blvd.

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.

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.

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?

Volunteers can search for a lake or stream site that works for them and sign up to monitor it.

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.

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

Guidance pertaining to the investigation and cleanup of hazardous substances, pollutants, and contaminants.

To reduce the pollution that causes climate change, Minnesota has set goals to cut our collective greenhouse gas (GHG) emissions and track progress.

Air pollution levels in Minnesota have steadily decreased over the past few decades and currently meet federal standards. But even levels that meet or are below these standards can affect people’s…

Water quality standards are frequently adopted statewide or by ecoregions. These standards can include large areas with different types of water, biological communities and natural water chemistries.

These Minnesota sites are registered with the MPCA to accept covered electronic devices for recycling.

Trichloroethylene and perchloroethylene have contaminated groundwater and caused vapor intrusion issues at this site.

The MPCA is authorized to develop numeric water quality criteria that apply specifically to a water body or region where the pollutant is found, using data from that water body or region.

The 2025 MPCA annual report on Brownfields celebrated numerous major achievements cleaning up and rehabilitating polluted properties.

Guidance on NPDES/SDS construction stormwater requirements

Systems to treat drinking water have been installed to address groundwater contamination in two St. Louis Park and three Edina municipal wells.

A successful cleanup of contaminated land along the Cedar River in Austin caps a long history of industrial pollution.

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.

… Local sites and projects …