Nashville, TN Radon Levels
Check local Nashville radon levels and find certified testing and mitigation professionals to keep your home safe
Nashville, TN Radon Facts
Nashville, Tennessee's capital city in Davidson County, shows an average radon level of 7.0 pCi/L based on available testing data, significantly exceeding the EPA's 4.0 pCi/L action threshold. The city's location within the Nashville Basin, characterized by limestone bedrock beneath urban development, contributes to elevated radon potential throughout the metropolitan area. Given Tennessee's karst geology and the prevalence of basement foundations in the region's housing stock, comprehensive radon testing and mitigation are essential for protecting residents across all Nashville zip codes.
Based on 1 user-submitted radon test for homes in Nashville, TN. The EPA recommends taking action at or above 4.0 pCi/L.
Nashville, TN Radon Mitigation
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Nashville, TN Radon Levels
User-submitted radon test readings from homes in the Nashville area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 7 pCi/L | Nashville, TN | 51-99 Years | Full Basement |
Have a radon test result for Nashville? Submit your reading to help other homeowners.
Radon Readings Near Nashville, TN
Compare radon levels in Nashville with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Madison | 9.0 mi | 5.00 pCi/L | 1 |
| Brentwood | 9.7 mi | 8.50 pCi/L | 2 |
| Hermitage | 10.6 mi | 4.00 pCi/L | 1 |
| Old Hickory | 11.6 mi | 12.00 pCi/L | 1 |
| Pegram | 14.0 mi | 2.00 pCi/L | 1 |
| Franklin | 14.7 mi | 5.00 pCi/L | 1 |
| Mount Juliet | 16.0 mi | 2.00 pCi/L | 1 |
| Smyrna | 20.0 mi | 7.00 pCi/L | 1 |
Davidson County Radon Profile
The bedrock and soils beneath Davidson County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 4 cities in Davidson County average 7.00 pCi/L across 4 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 Davidson County.