EPA Zone Data 2026
Vermont Radon Map, Levels & Testing Guide
View EPA radon zone classifications for every county in Vermont. Open your county to compare basement test meaning, EPA action thresholds, and when mitigation pricing becomes worth checking.
0
Zone 1
High Risk
High Risk
12
Zone 2
Moderate
Moderate
2
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.
Addison County
Zone 2
Bennington County
Zone 2
Caledonia County
Zone 2
Essex County
Zone 2
Franklin County
Zone 2
Lamoille County
Zone 2
Orange County
Zone 2
Orleans County
Zone 2
Rutland County
Zone 2
Washington County
Zone 2
Windham County
Zone 2
Windsor County
Zone 2
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