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Map of Radon Zones in Minnesota based on Environmental Protection Agency (EPA) data

Back to Radon Zones in the United States




Radon zones
 Zone 3 (0 counties)
 Zone 2 (19 counties)
 Zone 1 (69 counties)
  Highest Potential: counties have a predicted average indoor radon screening level greater than 4 pCi/L (pico curies per liter) (red zones)
  Moderate Potential: counties have a predicted average indoor radon screening level between 2 and 4 pCi/L (orange zones)
  Low Potential: counties have a predicted average indoor radon screening level less than 2 pCi/L (yellow zones)
Aitkin County
Radon zone : 2

Anoka County
Radon zone : 2

Becker County
Radon zone : 1

Beltrami County
Radon zone : 2

Benton County
Radon zone : 2

Big Stone County
Radon zone : 1

Blue Earth County
Radon zone : 1

Brown County
Radon zone : 1

Carlton County
Radon zone : 2

Carver County
Radon zone : 1

Cass County
Radon zone : 2

Chippewa County
Radon zone : 1

Chisago County
Radon zone : 2

Clay County
Radon zone : 1

Clearwater County
Radon zone : 2

Cook County
Radon zone : 2

Cottonwood County
Radon zone : 1

Crow Wing County
Radon zone : 2

Dakota County
Radon zone : 1

Dodge County
Radon zone : 1

Douglas County
Radon zone : 1

Faribault County
Radon zone : 1

Fillmore County
Radon zone : 1

Freeborn County
Radon zone : 1

Goodhue County
Radon zone : 1

Grant County
Radon zone : 1

Hennepin County
Radon zone : 1

Houston County
Radon zone : 1

Hubbard County
Radon zone : 1

Isanti County
Radon zone : 2

Itasca County
Radon zone : 2

Jackson County
Radon zone : 1

Kanabec County
Radon zone : 1

Kandiyohi County
Radon zone : 1

Kittson County
Radon zone : 1

Koochiching County
Radon zone : 2

Lac qui Parle County
Radon zone : 1

Lake County
Radon zone : 2


Le Sueur County
Radon zone : 1

Lincoln County
Radon zone : 1

Lyon County
Radon zone : 1

Mahnomen County
Radon zone : 1

Marshall County
Radon zone : 1

Martin County
Radon zone : 1

McLeod County
Radon zone : 1

Meeker County
Radon zone : 1

Mille Lacs County
Radon zone : 2

Morrison County
Radon zone : 2

Mower County
Radon zone : 1

Murray County
Radon zone : 1

Nicollet County
Radon zone : 1

Nobles County
Radon zone : 1

Norman County
Radon zone : 1

Olmsted County
Radon zone : 1

Otter Tail County
Radon zone : 1

Pennington County
Radon zone : 1

Pine County
Radon zone : 2

Pipestone County
Radon zone : 1

Polk County
Radon zone : 1

Pope County
Radon zone : 1

Ramsey County
Radon zone : 1

Red Lake County
Radon zone : 1

Redwood County
Radon zone : 1

Renville County
Radon zone : 1

Rice County
Radon zone : 1

Rock County
Radon zone : 1

Roseau County
Radon zone : 1

Scott County
Radon zone : 1

Sherburne County
Radon zone : 1

Sibley County
Radon zone : 1

St. Louis County
Radon zone : 2

Stearns County
Radon zone : 1

Steele County
Radon zone : 1

Stevens County
Radon zone : 1

Swift County
Radon zone : 1

Todd County
Radon zone : 1

Traverse County
Radon zone : 1

Wabasha County
Radon zone : 1

Wadena County
Radon zone : 1

Waseca County
Radon zone : 1

Washington County
Radon zone : 1

Watonwan County
Radon zone : 1

Wilkin County
Radon zone : 1

Winona County
Radon zone : 1

Wright County
Radon zone : 1

Yellow Medicine County
Radon zone : 1


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