EPA Zone Data 2026
Nebraska Radon Map, Levels & Testing Guide
View EPA radon zone classifications for every county in Nebraska. Open your county to compare basement test meaning, EPA action thresholds, and when mitigation pricing becomes worth checking.
53
Zone 1
High Risk
High Risk
24
Zone 2
Moderate
Moderate
16
Zone 3
Low Risk
Low Risk
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Browse Counties
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Open your county to see its EPA zone, testing meaning, and the point where mitigation becomes worth pricing.
Adams County
Zone 1
Antelope County
Zone 2
Banner County
Zone 2
Boone County
Zone 1
Box Butte County
Zone 2
Boyd County
Zone 1
Buffalo County
Zone 2
Burt County
Zone 1
Butler County
Zone 1
Cass County
Zone 1
Cedar County
Zone 1
Chase County
Zone 2
Cheyenne County
Zone 2
Clay County
Zone 1
Colfax County
Zone 1
Cuming County
Zone 1
Custer County
Zone 2
Dakota County
Zone 1
Dawes County
Zone 2
Dawson County
Zone 2
Deuel County
Zone 2
Dixon County
Zone 1
Dodge County
Zone 1
Douglas County
Zone 1
Dundy County
Zone 2
Fillmore County
Zone 1
Franklin County
Zone 1
Frontier County
Zone 1
Furnas County
Zone 1
Gage County
Zone 1
Gosper County
Zone 1
Greeley County
Zone 1
Hall County
Zone 2
Hamilton County
Zone 1
Harlan County
Zone 1
Hayes County
Zone 1
Hitchcock County
Zone 1
Howard County
Zone 2
Jefferson County
Zone 1
Johnson County
Zone 1
Kearney County
Zone 1
Keith County
Zone 2
Keya Paha County
Zone 2
Kimball County
Zone 2
Knox County
Zone 1
Lancaster County
Zone 1
Madison County
Zone 1
Merrick County
Zone 2
Morrill County
Zone 2
Nance County
Zone 1
Nemaha County
Zone 1
Nuckolls County
Zone 1
Otoe County
Zone 1
Pawnee County
Zone 1
Perkins County
Zone 2
Phelps County
Zone 1
Pierce County
Zone 1
Platte County
Zone 1
Polk County
Zone 1
Red Willow County
Zone 1
Richardson County
Zone 1
Saline County
Zone 1
Sarpy County
Zone 1
Saunders County
Zone 1
Scotts Bluff County
Zone 2
Seward County
Zone 1
Sheridan County
Zone 2
Sherman County
Zone 2
Sioux County
Zone 2
Stanton County
Zone 1
Thayer County
Zone 1
Thurston County
Zone 1
Valley County
Zone 2
Washington County
Zone 1
Wayne County
Zone 1
Webster County
Zone 1
York County
Zone 1
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