EPA Zone Data 2026
WV Radon Levels
View EPA radon zone classifications for every county in WV. Select your county to see detailed risk data, testing recommendations, and mitigation cost estimates.
20
Zone 1
High Risk
High Risk
29
Zone 2
Moderate
Moderate
6
Zone 3
Low Risk
Low Risk
Barbour
Zone 2
Berkeley
Zone 1
Boone
Zone 3
Braxton
Zone 2
Brooke
Zone 1
Cabell
Zone 2
Calhoun
Zone 2
Clay
Zone 2
Doddridge
Zone 2
Fayette
Zone 2
Gilmer
Zone 2
Grant
Zone 1
Greenbrier
Zone 1
Hampshire
Zone 1
Hancock
Zone 1
Hardy
Zone 1
Harrison
Zone 2
Jackson
Zone 2
Jefferson
Zone 1
Kanawha
Zone 3
Lewis
Zone 2
Lincoln
Zone 2
Logan
Zone 3
Marion
Zone 2
Marshall
Zone 1
Mason
Zone 2
McDowell
Zone 3
Mercer
Zone 1
Mineral
Zone 1
Mingo
Zone 3
Monongalia
Zone 1
Monroe
Zone 1
Morgan
Zone 1
Nicholas
Zone 2
Ohio
Zone 1
Pendleton
Zone 1
Pleasants
Zone 2
Pocahontas
Zone 1
Preston
Zone 1
Putnam
Zone 2
Raleigh
Zone 2
Randolph
Zone 2
Ritchie
Zone 2
Roane
Zone 2
Summers
Zone 1
Taylor
Zone 2
Tucker
Zone 2
Tyler
Zone 2
Upshur
Zone 2
Wayne
Zone 2
Webster
Zone 2
Wetzel
Zone 1
Wirt
Zone 2
Wood
Zone 2
Wyoming
Zone 3
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