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Radon in Moore County, Tennessee

Moore County, Tennessee, is in EPA radon Zone 1: predicted average indoor radon screening level greater than 4 pCi/L (highest potential). Radon laboratories reported 36 building tests here for 2008 to 2017: median 2.9 pCi/L, with 35.3% at or above EPA's 4 pCi/L action level (Tennessee 32.8%, US 36.5%).

Zone 1
EPA radon zone (1993 county map)
2.9
median lab test, pCi/L (2008-2017)
35.3%
of lab tests at or above 4 pCi/L
36
buildings tested by labs, 2008-2017

Radon test results in Moore County

Radon test results on file for Moore County, TN, with state and national comparison
Test resultsPeriodTestsTypical result4 pCi/L or more
Radon testing laboratories2008-201736median 2.9 pCi/L35.3%
Tennessee, all counties (labs)2008-201723,071n/a32.8%
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
Bedford County, TNZone 110421%
Lincoln County, TNZone 111320.8%
Franklin County, TNZone 322025.6%
Coffee County, TNZone 216816.5%
Marshall County, TNZone 111518.1%
Grundy County, TNZone 3220%

The six counties with the nearest centers.

What to do about radon in Moore 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. The state health department runs the state's radon program.

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 Moore County address

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

Radon in Moore County: questions

What is the radon level in Moore County?

The median of the 36 laboratory tests reported for Moore County (2008 to 2017) was 2.9 pCi/L, and 35.3% 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 Moore County in radon Zone 1?

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

How does radon in Moore County compare with Tennessee?

35.3% of laboratory tests in Moore County were at or above 4 pCi/L for 2008 to 2017, against 32.8% across Tennessee (23,071 tests) and 36.5% nationally. 39 of Tennessee's 95 counties are in Zone 1.

Should I test for radon in Moore 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 Moore 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 Tennessee county · Radon map of every state

Data compiled 2026-10-20. County FIPS 47127. County-level screening information, not a radon measurement of any building.