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Radon in Russell County, Kentucky

Russell County, Kentucky, is in EPA radon Zone 1: predicted average indoor radon screening level greater than 4 pCi/L (highest potential). Radon laboratories reported 25 building tests here for 2008 to 2017: median 2.9 pCi/L, with 25% at or above EPA's 4 pCi/L action level (Kentucky 42.8%, US 36.5%).

Zone 1
EPA radon zone (1993 county map)
2.9
median lab test, pCi/L (2008-2017)
25%
of lab tests at or above 4 pCi/L
25
buildings tested by labs, 2008-2017

Radon test results in Russell County

Radon test results on file for Russell County, KY, with state and national comparison
Test resultsPeriodTestsTypical result4 pCi/L or more
Radon testing laboratories2008-201725median 2.9 pCi/L25%
Kentucky, all counties (labs)2008-201720,870n/a42.8%
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
Adair County, KYZone 14243.4%
Wayne County, KYZone 25360.9%
Clinton County, KYZone 23147.5%
Cumberland County, KYZone 11255.6%
Casey County, KYZone 13132.6%
Pulaski County, KYZone 127759.5%

The six counties with the nearest centers.

What to do about radon in Russell 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. Kentucky'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 Russell County address

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

Radon in Russell County: questions

What is the radon level in Russell County?

The median of the 25 laboratory tests reported for Russell County (2008 to 2017) was 2.9 pCi/L, and 25% 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 Russell County in radon Zone 1?

Yes. EPA's 1993 Map of Radon Zones puts Russell County in Zone 1, the counties with a predicted average indoor radon screening level above 4 pCi/L.

How does radon in Russell County compare with Kentucky?

25% of laboratory tests in Russell County were at or above 4 pCi/L for 2008 to 2017, against 42.8% across Kentucky (20,870 tests) and 36.5% nationally. 30 of Kentucky's 120 counties are in Zone 1.

Should I test for radon in Russell 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 Russell 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 Kentucky county · Radon map of every state

Data compiled 2026-10-20. County FIPS 21207. County-level screening information, not a radon measurement of any building.