EPA Zone Data 2026
UT Radon Levels
View EPA radon zone classifications for every county in UT. Select your county to see detailed risk data, testing recommendations, and mitigation cost estimates.
7
Zone 1
High Risk
High Risk
22
Zone 2
Moderate
Moderate
0
Zone 3
Low Risk
Low Risk
Beaver
Zone 2
Box Elder
Zone 2
Cache
Zone 2
Carbon
Zone 1
Daggett
Zone 2
Davis
Zone 2
Duchesne
Zone 1
Emery
Zone 2
Garfield
Zone 2
Grand
Zone 1
Iron
Zone 2
Juab
Zone 2
Kane
Zone 2
Millard
Zone 2
Morgan
Zone 2
Piute
Zone 1
Rich
Zone 2
Salt Lake
Zone 2
San Juan
Zone 2
Sanpete
Zone 1
Sevier
Zone 1
Summit
Zone 2
Tooele
Zone 2
Uintah
Zone 1
Utah
Zone 2
Wasatch
Zone 2
Washington
Zone 2
Wayne
Zone 2
Weber
Zone 2
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