Radon zones in Tennessee
Zone 1: 37, Zone 2: 31, Zone 3: 23. A zone is an area estimate; EPA says all homes should be tested.
- Anderson County Zone 1
- Bedford County Zone 1
- Benton County Zone 2
- Bledsoe County Zone 3
- Blount County Zone 1
- Bradley County Zone 1
- Campbell County Zone 3
- Cannon County Zone 2
- Carroll County Zone 3
- Carter County Zone 2
- Cheatham County Zone 2
- Chester County Zone 2
- Claiborne County Zone 1
- Clay County Zone 2
- Cocke County Zone 2
- Coffee County Zone 2
- Crockett County Zone 3
- Cumberland County Zone 3
- Davidson County Zone 1
- Decatur County Zone 2
- DeKalb County Zone 2
- Dickson County Zone 2
- Dyer County Zone 3
- Fayette County Zone 3
- Fentress County Zone 2
- Franklin County Zone 3
- Gibson County Zone 3
- Giles County Zone 1
- Grainger County Zone 1
- Greene County Zone 1
- Grundy County Zone 3
- Hamblen County Zone 1
- Hamilton County Zone 2
- Hancock County Zone 1
- Hardeman County Zone 3
- Hardin County Zone 2
- Hawkins County Zone 1
- Haywood County Zone 3
- Henderson County Zone 2
- Henry County Zone 3
- Hickman County Zone 1
- Houston County Zone 2
- Humphreys County Zone 1
- Jackson County Zone 1
- Jefferson County Zone 1
- Johnson County Zone 2
- Knox County Zone 1
- Lake County Zone 3
- Lauderdale County Zone 3
- Lawrence County Zone 1
- Lewis County Zone 1
- Lincoln County Zone 1
- Loudon County Zone 1
- McMinn County Zone 1
- McNairy County Zone 2
- Marshall County Zone 1
- Meigs County Zone 1
- Monroe County Zone 1
- Montgomery County Zone 2
- Moore County Zone 1
- Morgan County Zone 3
- Obion County Zone 3
- Overton County Zone 2
- Perry County Zone 1
- Pickett County Zone 2
- Polk County Zone 2
- Putnam County Zone 2
- Rhea County Zone 3
- Roane County Zone 1
- Robertson County Zone 2
- Rutherford County Zone 1
- Scott County Zone 3
- Sequatchie County Zone 3
- Sevier County Zone 2
- Shelby County Zone 3
- Smith County Zone 1
- Stewart County Zone 2
- Sullivan County Zone 1
- Sumner County Zone 2
- Tipton County Zone 3
- Trousdale County Zone 1
- Unicoi County Zone 2
- Union County Zone 1
- Van Buren County Zone 2
- Warren County Zone 2
- Washington County Zone 1
- Wayne County Zone 1
- Weakley County Zone 3
- White County Zone 2
- Williamson County Zone 1
- Wilson County Zone 1
County not listed? See what we left out and why. Leave your email to hear if this data changes.