EPA Zone Data 2026
Utah Radon Map, Levels & Testing Guide
View EPA radon zone classifications for every county in Utah. Open your county to compare basement test meaning, EPA action thresholds, and when mitigation pricing becomes worth checking.
7
Zone 1
High Risk
High Risk
22
Zone 2
Moderate
Moderate
0
Zone 3
Low Risk
Low Risk
Already Tested
View Utah Cost Estimates
If you already have a radon result, skip the directory and move straight to local price guidance.
Need a Number First
Read the Testing Guide
Use the fastest valid radon test setup before you compare quotes or ask whether mitigation is worth it.
Browse Counties
Jump to the Directory
Open your county to see its EPA zone, testing meaning, and the point where mitigation becomes worth pricing.
Beaver County
Zone 2
Box Elder County
Zone 2
Cache County
Zone 2
Carbon County
Zone 1
Daggett County
Zone 2
Davis County
Zone 2
Duchesne County
Zone 1
Emery County
Zone 2
Garfield County
Zone 2
Grand County
Zone 1
Iron County
Zone 2
Juab County
Zone 2
Kane County
Zone 2
Millard County
Zone 2
Morgan County
Zone 2
Piute County
Zone 1
Rich County
Zone 2
Salt Lake County
Zone 2
San Juan County
Zone 2
Sanpete County
Zone 1
Sevier County
Zone 1
Summit County
Zone 2
Tooele County
Zone 2
Uintah County
Zone 1
Utah County
Zone 2
Wasatch County
Zone 2
Washington County
Zone 2
Wayne County
Zone 2
Weber County
Zone 2
Already tested? Get your itemized mitigation cost estimate.
View Utah Mitigation Cost Estimates ->