Title reports $49 · others $100–$400See prices

Radon in Wyoming County, West Virginia

Wyoming County, West Virginia, is in EPA radon Zone 3: predicted average indoor radon screening level less than 2 pCi/L (low potential). Radon laboratories reported 3 building tests here for 2008 to 2017: median 0.8 pCi/L, with 33.3% at or above EPA's 4 pCi/L action level (West Virginia 38%, US 36.5%).

Zone 3
EPA radon zone (1993 county map)
0.8
median lab test, pCi/L (2008-2017)
33.3%
of lab tests at or above 4 pCi/L
3
buildings tested by labs, 2008-2017

Radon test results in Wyoming County

Radon test results on file for Wyoming County, WV, with state and national comparison
Test resultsPeriodTestsTypical result4 pCi/L or more
Radon testing laboratories2008-20173median 0.8 pCi/L33.3%
West Virginia, all counties (labs)2008-20177,386n/a38%
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
McDowell County, WVZone 330%
Raleigh County, WVZone 23616.7%
Logan County, WVZone 380%
Mercer County, WVZone 17033.7%
Boone County, WVZone 3714.3%
Tazewell County, VAZone 122640.3%

The six counties with the nearest centers.

What to do about radon in Wyoming 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. West Virginia'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 Wyoming County address

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

Radon in Wyoming County: questions

What is the radon level in Wyoming County?

The median of the 3 laboratory tests reported for Wyoming County (2008 to 2017) was 0.8 pCi/L, and 33.3% 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 Wyoming County in radon Zone 1?

No. EPA's 1993 map puts Wyoming County in Zone 3 (predicted average indoor radon screening level less than 2 pCi/L (low potential)). EPA says homes in every zone can have high radon and should be tested.

How does radon in Wyoming County compare with West Virginia?

33.3% of laboratory tests in Wyoming County were at or above 4 pCi/L for 2008 to 2017, against 38% across West Virginia (7,386 tests) and 36.5% nationally. 20 of West Virginia's 55 counties are in Zone 1.

Should I test for radon in Wyoming 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 Wyoming 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 West Virginia county · Radon map of every state

Data compiled 2026-10-20. County FIPS 54109. County-level screening information, not a radon measurement of any building.