Radon Levels in Vermont

14 counties — 0 high risk, 12 moderate, 2 low risk

12
2
Zone 1 High (0.0%) Zone 2 Moderate (85.7%) Zone 3 Low (14.3%)

Vermont Radon Zone Map

Counties colored by EPA radon zone. Red = Zone 1, Orange = Zone 2, Green = Zone 3.

Check Your Vermont ZIP Code

All 14 Counties — By Radon Risk

CountyEPA ZoneTests% Above 4 pCi/L
Addison Moderate 6 —
Bennington Moderate 9 55.6%
Caledonia Moderate 6 —
Essex Moderate — —
Franklin Moderate 6 66.7%
Lamoille Moderate — —
Orange Moderate 5 —
Orleans Moderate 6 —
Rutland Moderate 11 54.5%
Washington Moderate 11 45.5%
Windham Moderate 8 50%
Windsor Moderate 13 38.5%
Chittenden Low 27 29.6%
Grand Isle Low — —

Sources: EPA Map of Radon Zones, CDC Environmental Health Tracking Network

Frequently Asked Questions

How many counties in Vermont have high radon risk?

Vermont has 0 counties classified as EPA Zone 1 (high radon risk), 12 as Zone 2 (moderate), and 2 as Zone 3 (low risk).

Is radon a problem in Vermont?

The EPA recommends all homes in Vermont be tested for radon, regardless of which zone they're in.

How do I check radon levels for my Vermont address?

Enter your ZIP code in the search box above to see your county's EPA radon zone and available testing data. For your specific home's radon level, you'll need a radon test kit.