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Radon in Antelope County, Nebraska

Antelope County, Nebraska, is in EPA radon Zone 2: predicted average indoor radon screening level from 2 to 4 pCi/L (moderate potential). Radon laboratories reported 158 building tests here for 2008 to 2017: median 6.5 pCi/L, with 71.3% at or above EPA's 4 pCi/L action level (Nebraska 57.9%, US 36.5%).

Zone 2
EPA radon zone (1993 county map)
6.5
median lab test, pCi/L (2008-2017)
71.3%
of lab tests at or above 4 pCi/L
158
buildings tested by labs, 2008-2017

Radon test results in Antelope County

Radon test results on file for Antelope County, NE, with state and national comparison
Test resultsPeriodTestsTypical result4 pCi/L or more
Radon testing laboratories2008-2017158median 6.5 pCi/L71.3%
Nebraska radon program202327median 4.6 pCi/L74.1%
Nebraska, all counties (labs)2008-201729,758n/a57.9%
United States (labs)2008-20171,408,802n/a36.5%

Test results describe buildings whose owners chose to test and whose results reached the lab or agency, not a random sample; small counts swing widely. State and US shares are computed from county counts and percents. The laboratory data comes from national radon testing laboratories and supplements EPA's zone map.

Radon in nearby counties

CountyEPA zoneLab tests4 pCi/L or more
Pierce County, NEZone 115255.1%
Wheeler County, NEZone 3725%
Madison County, NEZone 179066.4%
Knox County, NEZone 124168.8%
Boone County, NEZone 113873.8%
Holt County, NEZone 323742.7%

The six counties with the nearest centers.

What to do about radon in Antelope County

Test the building. EPA recommends fixing a home at 4 pCi/L or more and considering a fix between 2 and 4 pCi/L, and says there is no known safe level of exposure. Nebraska's state radon program can point you to testers and test kits.

Buying here? The Environmental Records Report lists this county's radon zone and test results with the flood zone, mapped faults, power lines and federal contamination records near the address.

Check one Antelope County address

Environmental Records Report, $29. PDF and JSON, usually ready in about a minute.

Radon in Antelope County: questions

What is the radon level in Antelope County?

The median of the 158 laboratory tests reported for Antelope County (2008 to 2017) was 6.5 pCi/L, and 71.3% of them were at or above 4 pCi/L. These are results of tested buildings; a single home can be far above or below them.

Is Antelope County in radon Zone 1?

No. EPA's 1993 map puts Antelope County in Zone 2 (predicted average indoor radon screening level from 2 to 4 pCi/L (moderate potential)). EPA says homes in every zone can have high radon and should be tested.

How does radon in Antelope County compare with Nebraska?

71.3% of laboratory tests in Antelope County were at or above 4 pCi/L for 2008 to 2017, against 57.9% across Nebraska (29,758 tests) and 36.5% nationally. 53 of Nebraska's 93 counties are in Zone 1.

Should I test for radon in Antelope County?

Yes. EPA recommends testing every home whatever its zone: "This map should not be used to determine if individual homes need to be tested." Fix the home at 4 pCi/L or more and consider a fix between 2 and 4 pCi/L; EPA says there is no known safe level of radon exposure.

More for Antelope County

Other free hazard lookups

All of these, plus wetlands, FEMA hazard ratings and the federal contamination lists, are in the Environmental Records Report for any US address ($29).

Radon in every Nebraska county · Radon map of every state

Data compiled 2026-10-20. County FIPS 31003. County-level screening information, not a radon measurement of any building.