EPA Zone Data 2026
Wyoming Radon Map, Levels & Testing Guide
View EPA radon zone classifications for every county in Wyoming. Open your county to compare basement test meaning, EPA action thresholds, and when mitigation pricing becomes worth checking.
21
Zone 1
High Risk
High Risk
2
Zone 2
Moderate
Moderate
0
Zone 3
Low Risk
Low Risk
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Browse Counties
Jump to the Directory
Open your county to see its EPA zone, testing meaning, and the point where mitigation becomes worth pricing.
Albany County
Zone 1
Big Horn County
Zone 1
Campbell County
Zone 1
Carbon County
Zone 1
Converse County
Zone 1
Crook County
Zone 1
Fremont County
Zone 1
Goshen County
Zone 1
Hot Springs County
Zone 1
Johnson County
Zone 1
Laramie County
Zone 1
Lincoln County
Zone 1
Natrona County
Zone 1
Niobrara County
Zone 1
Park County
Zone 1
Platte County
Zone 2
Sheridan County
Zone 1
Sublette County
Zone 1
Sweetwater County
Zone 1
Teton County
Zone 1
Uinta County
Zone 1
Washakie County
Zone 1
Weston County
Zone 2
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