EPA Zone Data 2026
Virginia Radon Map, Levels & Testing Guide
View EPA radon zone classifications for every county in Virginia. Open your county to compare basement test meaning, EPA action thresholds, and when mitigation pricing becomes worth checking.
63
Zone 1
High Risk
High Risk
28
Zone 2
Moderate
Moderate
43
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.
Albemarle County
Zone 2
Alleghany County
Zone 1
Amelia County
Zone 1
Amherst County
Zone 2
Appomattox County
Zone 1
Arlington County
Zone 2
Augusta County
Zone 1
Bath County
Zone 1
Bedford County
Zone 2
Bland County
Zone 1
Botetourt County
Zone 1
Bristol County
Zone 1
Brunswick County
Zone 1
Buchanan County
Zone 2
Buckingham County
Zone 1
Buena Vista County
Zone 1
Campbell County
Zone 1
Carroll County
Zone 2
Charlotte County
Zone 2
Charlottesville County
Zone 2
Chesterfield County
Zone 1
Clarke County
Zone 1
Covington County
Zone 1
Craig County
Zone 1
Culpeper County
Zone 2
Cumberland County
Zone 1
Danville County
Zone 1
Dickenson County
Zone 2
Dinwiddie County
Zone 1
Fairfax County
Zone 1
Fairfax County
Zone 1
Falls Church County
Zone 1
Fauquier County
Zone 2
Floyd County
Zone 2
Fluvanna County
Zone 1
Franklin County
Zone 2
Frederick County
Zone 1
Galax County
Zone 2
Giles County
Zone 1
Goochland County
Zone 1
Grayson County
Zone 2
Greene County
Zone 2
Halifax County
Zone 2
Harrisonburg County
Zone 1
Henry County
Zone 1
Highland County
Zone 1
Lee County
Zone 1
Lexington County
Zone 1
Loudoun County
Zone 2
Louisa County
Zone 1
Lunenburg County
Zone 2
Lynchburg County
Zone 2
Madison County
Zone 2
Manassas County
Zone 1
Manassas Park County
Zone 1
Mecklenburg County
Zone 2
Montgomery County
Zone 1
Nelson County
Zone 2
Norton County
Zone 2
Nottoway County
Zone 1
Orange County
Zone 1
Page County
Zone 1
Patrick County
Zone 1
Petersburg County
Zone 1
Pittsylvania County
Zone 1
Powhatan County
Zone 1
Prince Edward County
Zone 2
Prince William County
Zone 2
Pulaski County
Zone 1
Radford County
Zone 1
Rappahannock County
Zone 2
Roanoke County
Zone 1
Roanoke County
Zone 1
Rockbridge County
Zone 1
Rockingham County
Zone 1
Russell County
Zone 1
Salem County
Zone 1
Scott County
Zone 1
Shenandoah County
Zone 1
Smyth County
Zone 1
Spotsylvania County
Zone 1
Stafford County
Zone 1
Staunton County
Zone 1
Tazewell County
Zone 1
Warren County
Zone 1
Washington County
Zone 1
Waynesboro County
Zone 1
Winchester County
Zone 1
Wise County
Zone 2
Wythe County
Zone 1
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