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

Back to Radon Zones in the United States




Radon zones
 Zone 3 (0 counties)
 Zone 2 (22 counties)
 Zone 1 (7 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)
Beaver County
Radon zone : 2

Box Elder County
Radon zone : 2

Cache County
Radon zone : 2

Carbon County
Radon zone : 1

Daggett County
Radon zone : 2

Davis County
Radon zone : 2

Duchesne County
Radon zone : 1

Emery County
Radon zone : 2

Garfield County
Radon zone : 2

Grand County
Radon zone : 1

Iron County
Radon zone : 2

Juab County
Radon zone : 2

Kane County
Radon zone : 2

Millard County
Radon zone : 2

Morgan County
Radon zone : 2

Piute County
Radon zone : 1

Rich County
Radon zone : 2

Salt Lake County
Radon zone : 2

San Juan County
Radon zone : 2

Sanpete County
Radon zone : 1

Sevier County
Radon zone : 1

Summit County
Radon zone : 2

Tooele County
Radon zone : 2

Uintah County
Radon zone : 1

Utah County
Radon zone : 2

Wasatch County
Radon zone : 2

Washington County
Radon zone : 2

Wayne County
Radon zone : 2

Weber County
Radon zone : 2


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