EPA Zone Data 2026
Kentucky Radon Map, Levels & Testing Guide
View EPA radon zone classifications for every county in Kentucky. Open your county to compare basement test meaning, EPA action thresholds, and when mitigation pricing becomes worth checking.
30
Zone 1
High Risk
High Risk
82
Zone 2
Moderate
Moderate
8
Zone 3
Low Risk
Low Risk
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Browse Counties
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Open your county to see its EPA zone, testing meaning, and the point where mitigation becomes worth pricing.
Adair County
Zone 1
Allen County
Zone 1
Anderson County
Zone 2
Barren County
Zone 1
Bath County
Zone 2
Bell County
Zone 2
Boone County
Zone 2
Bourbon County
Zone 1
Boyd County
Zone 2
Boyle County
Zone 1
Bracken County
Zone 2
Breathitt County
Zone 2
Breckinridge County
Zone 2
Bullitt County
Zone 1
Butler County
Zone 2
Caldwell County
Zone 2
Campbell County
Zone 2
Carroll County
Zone 2
Carter County
Zone 2
Casey County
Zone 1
Christian County
Zone 2
Clark County
Zone 1
Clay County
Zone 2
Clinton County
Zone 2
Crittenden County
Zone 2
Cumberland County
Zone 1
Daviess County
Zone 2
Edmonson County
Zone 2
Elliott County
Zone 2
Estill County
Zone 2
Fayette County
Zone 1
Fleming County
Zone 2
Floyd County
Zone 2
Franklin County
Zone 1
Gallatin County
Zone 2
Garrard County
Zone 2
Grant County
Zone 2
Grayson County
Zone 2
Green County
Zone 1
Greenup County
Zone 2
Hancock County
Zone 2
Hardin County
Zone 2
Harlan County
Zone 2
Harrison County
Zone 1
Hart County
Zone 1
Henderson County
Zone 2
Henry County
Zone 2
Hopkins County
Zone 2
Jackson County
Zone 2
Jefferson County
Zone 1
Jessamine County
Zone 1
Johnson County
Zone 2
Kenton County
Zone 2
Knott County
Zone 2
Knox County
Zone 2
Larue County
Zone 2
Laurel County
Zone 2
Lawrence County
Zone 2
Lee County
Zone 2
Leslie County
Zone 2
Letcher County
Zone 2
Lewis County
Zone 2
Lincoln County
Zone 1
Livingston County
Zone 2
Logan County
Zone 2
Lyon County
Zone 2
Madison County
Zone 2
Magoffin County
Zone 2
Marion County
Zone 1
Martin County
Zone 2
Mason County
Zone 2
McCreary County
Zone 2
McLean County
Zone 2
Meade County
Zone 2
Menifee County
Zone 2
Mercer County
Zone 1
Metcalfe County
Zone 1
Monroe County
Zone 1
Montgomery County
Zone 2
Morgan County
Zone 2
Muhlenberg County
Zone 2
Nelson County
Zone 1
Nicholas County
Zone 2
Ohio County
Zone 2
Oldham County
Zone 2
Owen County
Zone 2
Owsley County
Zone 2
Pendleton County
Zone 1
Perry County
Zone 2
Pike County
Zone 2
Powell County
Zone 2
Pulaski County
Zone 1
Robertson County
Zone 1
Rockcastle County
Zone 2
Rowan County
Zone 2
Russell County
Zone 1
Scott County
Zone 1
Shelby County
Zone 2
Simpson County
Zone 2
Spencer County
Zone 2
Taylor County
Zone 1
Todd County
Zone 2
Trigg County
Zone 2
Trimble County
Zone 2
Union County
Zone 2
Warren County
Zone 1
Washington County
Zone 2
Wayne County
Zone 2
Webster County
Zone 2
Whitley County
Zone 2
Wolfe County
Zone 2
Woodford County
Zone 1
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