Germantown, TN Radon Levels
Check local Germantown radon levels and find certified testing and mitigation professionals to keep your home safe
Germantown, TN Radon Facts
This Shelby County community in the Memphis metro area shows an average radon level of 5.0 pCi/L, which exceeds the EPA's recommended action threshold. Germantown's location on Mississippi River terrace deposits and underlying sedimentary formations contributes to this elevated reading. Homeowners in zip codes 38138 and 38139 should prioritize radon testing and mitigation, particularly in homes with basements or crawl spaces.
Based on 1 user-submitted radon test for homes in Germantown, TN. The EPA recommends taking action at or above 4.0 pCi/L.
Germantown, TN Radon Mitigation
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Germantown, TN Radon Levels
User-submitted radon test readings from homes in the Germantown area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 5 pCi/L | Germantown, TN | 21-50 Years | No Basement/All Slab |
Have a radon test result for Germantown? Submit your reading to help other homeowners.
Radon Readings Near Germantown, TN
Compare radon levels in Germantown with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Collierville | 6.7 mi | 4.00 pCi/L | 1 |
| Memphis | 9.6 mi | 11.00 pCi/L | 2 |
| Millington | 17.3 mi | 4.00 pCi/L | 1 |
Shelby County Radon Profile
Shelby County is classified as EPA Radon Zone 3, the lowest predicted-risk tier, with modeled indoor screening averages below 2 pCi/L. Homeowner-submitted tests from 4 cities in Shelby County average 7.00 pCi/L across 5 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Shelby County.