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

Back to Radon Zones in the United States




Radon zones
 Zone 3 (0 counties)
 Zone 2 (0 counties)
 Zone 1 (53 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)
Adams County
Radon zone : 1

Barnes County
Radon zone : 1

Benson County
Radon zone : 1

Billings County
Radon zone : 1

Bottineau County
Radon zone : 1

Bowman County
Radon zone : 1

Burke County
Radon zone : 1

Burleigh County
Radon zone : 1

Cass County
Radon zone : 1

Cavalier County
Radon zone : 1

Dickey County
Radon zone : 1

Divide County
Radon zone : 1

Dunn County
Radon zone : 1

Eddy County
Radon zone : 1

Emmons County
Radon zone : 1

Foster County
Radon zone : 1

Golden Valley County
Radon zone : 1

Grand Forks County
Radon zone : 1

Grant County
Radon zone : 1

Griggs County
Radon zone : 1

Hettinger County
Radon zone : 1

Kidder County
Radon zone : 1

LaMoure County
Radon zone : 1

Logan County
Radon zone : 1

McHenry County
Radon zone : 1

McIntosh County
Radon zone : 1

McKenzie County
Radon zone : 1

McLean County
Radon zone : 1

Mercer County
Radon zone : 1

Morton County
Radon zone : 1

Mountrail County
Radon zone : 1

Nelson County
Radon zone : 1

Oliver County
Radon zone : 1

Pembina County
Radon zone : 1

Pierce County
Radon zone : 1

Ramsey County
Radon zone : 1

Ransom County
Radon zone : 1

Renville County
Radon zone : 1

Richland County
Radon zone : 1

Rolette County
Radon zone : 1

Sargent County
Radon zone : 1

Sheridan County
Radon zone : 1

Sioux County
Radon zone : 1

Slope County
Radon zone : 1

Stark County
Radon zone : 1

Steele County
Radon zone : 1

Stutsman County
Radon zone : 1

Towner County
Radon zone : 1

Traill County
Radon zone : 1

Walsh County
Radon zone : 1

Ward County
Radon zone : 1

Wells County
Radon zone : 1

Williams County
Radon zone : 1


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