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Radon in Wayne County, Mississippi

Wayne County, Mississippi, is in EPA radon Zone 3: predicted average indoor radon screening level less than 2 pCi/L (low potential). No laboratory test results are on file for this county (no tests reported, or too few to publish).

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

Radon test results in Wayne County

No radon test results are on file for Wayne County. Its EPA zone is Zone 3.

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
Clarke County, MSZone 3n/an/a
Jones County, MSZone 3n/an/a
Greene County, MSZone 3n/an/a
Washington County, ALZone 330%
Choctaw County, ALZone 310%
Jasper County, MSZone 3n/an/a

The six counties with the nearest centers.

What to do about radon in Wayne 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. Mississippi'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 Wayne County address

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

Radon in Wayne County: questions

What is the radon level in Wayne County?

No laboratory results are on file for Wayne County. The county's EPA zone is Zone 3. Only a test of the building gives its level.

Is Wayne County in radon Zone 1?

No. EPA's 1993 map puts Wayne 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.

Should I test for radon in Wayne 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 Wayne 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 Mississippi county · Radon map of every state

Data compiled 2026-10-20. County FIPS 28153. County-level screening information, not a radon measurement of any building.