Nebraska Radon Zone Map
Counties colored by EPA radon zone. Red = Zone 1, Orange = Zone 2, Green = Zone 3.
All 93 Counties — By Radon Risk
| County | EPA Zone | Tests | % Above 4 pCi/L |
|---|
| Adams |
High |
7 |
— |
| Boone |
High |
— |
— |
| Boyd |
High |
— |
— |
| Burt |
High |
— |
— |
| Butler |
High |
— |
— |
| Cass |
High |
4 |
— |
| Cedar |
High |
— |
— |
| Clay |
High |
— |
— |
| Colfax |
High |
— |
— |
| Cuming |
High |
— |
— |
| Dakota |
High |
— |
— |
| Dixon |
High |
— |
— |
| Dodge |
High |
6 |
— |
| Douglas |
High |
84 |
34.5% |
| Fillmore |
High |
— |
— |
| Franklin |
High |
— |
— |
| Frontier |
High |
— |
— |
| Furnas |
High |
— |
— |
| Gage |
High |
— |
— |
| Gosper |
High |
— |
— |
| Greeley |
High |
— |
— |
| Hamilton |
High |
— |
— |
| Harlan |
High |
— |
— |
| Hayes |
High |
— |
— |
| Hitchcock |
High |
— |
— |
| Jefferson |
High |
— |
— |
| Johnson |
High |
— |
— |
| Kearney |
High |
— |
— |
| Knox |
High |
— |
— |
| Lancaster |
High |
40 |
42.5% |
| Madison |
High |
5 |
— |
| Nance |
High |
— |
— |
| Nemaha |
High |
— |
— |
| Nuckolls |
High |
— |
— |
| Otoe |
High |
— |
— |
| Pawnee |
High |
— |
— |
| Phelps |
High |
— |
— |
| Pierce |
High |
— |
— |
| Platte |
High |
7 |
— |
| Polk |
High |
— |
— |
| Red Willow |
High |
— |
— |
| Richardson |
High |
— |
— |
| Saline |
High |
— |
— |
| Sarpy |
High |
21 |
42.9% |
| Saunders |
High |
— |
— |
| Seward |
High |
4 |
— |
| Stanton |
High |
— |
— |
| Thayer |
High |
— |
— |
| Thurston |
High |
— |
— |
| Washington |
High |
4 |
— |
| Wayne |
High |
— |
— |
| Webster |
High |
— |
— |
| York |
High |
— |
— |
| Antelope |
Moderate |
— |
— |
| Banner |
Moderate |
— |
— |
| Box Butte |
Moderate |
— |
— |
| Buffalo |
Moderate |
8 |
— |
| Chase |
Moderate |
— |
— |
| Cheyenne |
Moderate |
— |
— |
| Custer |
Moderate |
— |
— |
| Dawes |
Moderate |
— |
— |
| Dawson |
Moderate |
4 |
— |
| Deuel |
Moderate |
— |
— |
| Dundy |
Moderate |
— |
— |
| Hall |
Moderate |
9 |
44.4% |
| Howard |
Moderate |
— |
— |
| Keith |
Moderate |
— |
— |
| Keya Paha |
Moderate |
— |
— |
| Kimball |
Moderate |
— |
— |
| Merrick |
Moderate |
— |
— |
| Morrill |
Moderate |
— |
— |
| Perkins |
Moderate |
— |
— |
| Scotts Bluff |
Moderate |
5 |
80% |
| Sheridan |
Moderate |
— |
— |
| Sherman |
Moderate |
— |
— |
| Sioux |
Moderate |
— |
— |
| Valley |
Moderate |
— |
— |
| Arthur |
Low |
— |
— |
| Blaine |
Low |
— |
— |
| Brown |
Low |
— |
— |
| Cherry |
Low |
— |
— |
| Garden |
Low |
— |
— |
| Garfield |
Low |
— |
— |
| Grant |
Low |
— |
— |
| Holt |
Low |
— |
— |
| Hooker |
Low |
— |
— |
| Lincoln |
Low |
8 |
— |
| Logan |
Low |
— |
— |
| Loup |
Low |
— |
— |
| McPherson |
Low |
— |
— |
| Rock |
Low |
— |
— |
| Thomas |
Low |
— |
— |
| Wheeler |
Low |
— |
— |
Sources: EPA Map of Radon Zones, CDC Environmental Health Tracking Network
Frequently Asked Questions
How many counties in Nebraska have high radon risk?
Nebraska has 53 counties classified as EPA Zone 1 (high radon risk), 24 as Zone 2 (moderate), and 16 as Zone 3 (low risk).
Is radon a problem in Nebraska?
Nebraska has 53 high-risk counties where elevated radon is likely. The EPA recommends all homes in Nebraska be tested for radon, regardless of which zone they're in.
How do I check radon levels for my Nebraska 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.