Is radon a problem in Tennessee?
Many Tennessee counties are EPA Zone 1 — the highest radon potential category. The EPA recommends testing every home, regardless of zone.
Radon is the second leading cause of lung cancer in the U.S., and many Tennessee counties sit in the EPA's highest-risk zone. We test to EPA protocol — as an add-on to your inspection or on its own.
The EPA classifies every county into one of three radon zones. Many Tennessee counties are Zone 1 — the highest category, with predicted average indoor levels above the EPA action level of 4.0 pCi/L.
Radon is a colorless, odorless radioactive gas that seeps into homes from the ground. It's the #1 cause of lung cancer among non-smokers and responsible for roughly 21,000 deaths per year in the U.S.
The EPA recommends fixing a home at or above 4.0 pCi/L. Many Tennessee homes exceed this — the only way to know yours is to test.
Select your Tennessee county to see its EPA radon risk zone.
Predicted average indoor level above 4.0 pCi/L. Testing is strongly recommended for every home.
Predicted average between 2 and 4 pCi/L. Testing is recommended, especially with basements or crawl spaces.
Predicted average below 2 pCi/L. The EPA still recommends testing every home regardless of zone.
Choose your Tennessee county to see the EPA radon risk zone for your area.
EPA radon zones are county-level estimates from the EPA Map of Radon Zones. Professional testing is the only way to know your home's actual radon level.
Many Tennessee counties are EPA Zone 1 — the highest radon potential category. The EPA recommends testing every home, regardless of zone.
A standard test runs a continuous monitor for about 48 hours, following EPA protocol.
Yes — radon testing is available as an add-on to any home inspection, or as a standalone service.
Radon can be mitigated. Professional systems reduce levels by up to 99%, and a follow-up test confirms the fix worked.