EPA Zone Data 2026
West Virginia Radon Map, Levels & Testing Guide
View EPA radon zone classifications for every county in West Virginia. Open your county to compare basement test meaning, EPA action thresholds, and when mitigation pricing becomes worth checking.
20
Zone 1
High Risk
High Risk
29
Zone 2
Moderate
Moderate
6
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.
Barbour County
Zone 2
Berkeley County
Zone 1
Braxton County
Zone 2
Brooke County
Zone 1
Cabell County
Zone 2
Calhoun County
Zone 2
Clay County
Zone 2
Doddridge County
Zone 2
Fayette County
Zone 2
Gilmer County
Zone 2
Grant County
Zone 1
Greenbrier County
Zone 1
Hampshire County
Zone 1
Hancock County
Zone 1
Hardy County
Zone 1
Harrison County
Zone 2
Jackson County
Zone 2
Jefferson County
Zone 1
Lewis County
Zone 2
Lincoln County
Zone 2
Marion County
Zone 2
Marshall County
Zone 1
Mason County
Zone 2
Mercer County
Zone 1
Mineral County
Zone 1
Monongalia County
Zone 1
Monroe County
Zone 1
Morgan County
Zone 1
Nicholas County
Zone 2
Ohio County
Zone 1
Pendleton County
Zone 1
Pleasants County
Zone 2
Pocahontas County
Zone 1
Preston County
Zone 1
Putnam County
Zone 2
Raleigh County
Zone 2
Randolph County
Zone 2
Ritchie County
Zone 2
Roane County
Zone 2
Summers County
Zone 1
Taylor County
Zone 2
Tucker County
Zone 2
Tyler County
Zone 2
Upshur County
Zone 2
Wayne County
Zone 2
Webster County
Zone 2
Wetzel County
Zone 1
Wirt County
Zone 2
Wood County
Zone 2
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