Radon Zone Map

All counties

Radon zones in Tennessee

Anderson CountyTennessee1
Bedford CountyTennessee1
Bledsoe CountyTennessee3
Blount CountyTennessee1
Campbell CountyTennessee3
Cannon CountyTennessee2
Carroll CountyTennessee3
Carter CountyTennessee2
Chester CountyTennessee2
Claiborne CountyTennessee1
Clay CountyTennessee2
Cocke CountyTennessee2
Coffee CountyTennessee2
Crockett CountyTennessee3
Cumberland CountyTennessee3
Davidson CountyTennessee1
Dickson CountyTennessee2
Dyer CountyTennessee3
Fayette CountyTennessee3
Fentress CountyTennessee2
Franklin CountyTennessee3
Gibson CountyTennessee3
Giles CountyTennessee1
Greene CountyTennessee1
Grundy CountyTennessee3
Hancock CountyTennessee1
Hardin CountyTennessee2
Hawkins CountyTennessee1
Haywood CountyTennessee3
Henderson CountyTennessee2
Henry CountyTennessee3
Hickman CountyTennessee1
Humphreys CountyTennessee1
Jefferson CountyTennessee1
Johnson CountyTennessee2
Knox CountyTennessee1
Lake CountyTennessee3
Lauderdale CountyTennessee3
Lawrence CountyTennessee1
Lewis CountyTennessee1
Lincoln CountyTennessee1
Loudon CountyTennessee1
Macon CountyTennessee2
Madison CountyTennessee3
Marion CountyTennessee3
Marshall CountyTennessee1
Maury CountyTennessee1
McMinn CountyTennessee1
McNairy CountyTennessee2
Monroe CountyTennessee1
Montgomery CountyTennessee2
Morgan CountyTennessee3
Obion CountyTennessee3
Perry CountyTennessee1
Pickett CountyTennessee2
Polk CountyTennessee2
Putnam CountyTennessee2
Roane CountyTennessee1
Robertson CountyTennessee2
Scott CountyTennessee3
Sevier CountyTennessee2
Shelby CountyTennessee3
Smith CountyTennessee1
Stewart CountyTennessee2
Sullivan CountyTennessee1
Sumner CountyTennessee2
Tipton CountyTennessee3
Union CountyTennessee1
Van Buren CountyTennessee2
Warren CountyTennessee2
Wayne CountyTennessee1
Weakley CountyTennessee3
White CountyTennessee2
Wilson CountyTennessee1

Sources

  1. Tennessee: EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  2. EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  3. Tennessee: EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  4. EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  5. Tennessee: EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  6. EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  7. Tennessee: EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  8. EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  9. Tennessee: EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  10. EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  11. Tennessee: EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  12. EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026

"Secondary" marks a source used only because the official page could not be read.