Bristol, TN Radon Levels
Check local Bristol radon levels and find certified testing and mitigation professionals to keep your home safe
Bristol, TN Radon Facts
Located in Sullivan County within the Kingsport Metro area, Bristol has recorded an average radon level of 6.5 pCi/L based on available testing—significantly exceeding the EPA action level of 4.0 pCi/L. The city's Appalachian Valley location over limestone and shale formations contributes to elevated radon potential throughout zip code 37620. With readings ranging from 4.0 to 9.0 pCi/L, residents should prioritize professional radon testing and mitigation to ensure safe indoor air quality.
Based on 2 user-submitted radon tests for homes in Bristol, TN. The EPA recommends taking action at or above 4.0 pCi/L.
Bristol, TN Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Bristol, TN Radon Levels
User-submitted radon test readings from homes in the Bristol area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 9 pCi/L | Bristol, TN | 51-99 Years | Full Basement |
| 4 pCi/L | Bristol, TN | 51-99 Years | Partial Basement |
Have a radon test result for Bristol? Submit your reading to help other homeowners.
Radon Readings Near Bristol, TN
Compare radon levels in Bristol with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Bluff City | 7.0 mi | 5.00 pCi/L | 1 |
| Blountville | 10.4 mi | 20.00 pCi/L | 1 |
| Elizabethton | 15.5 mi | 7.33 pCi/L | 3 |
| Johnson City | 19.2 mi | 4.20 pCi/L | 5 |
| Kingsport | 19.7 mi | 5.00 pCi/L | 1 |
| Mountain City | 21.6 mi | 20.00 pCi/L | 1 |
| Jonesborough | 25.5 mi | 7.00 pCi/L | 2 |
| Telford | 29.8 mi | 12.00 pCi/L | 1 |
Sullivan County Radon Profile
The bedrock and soils beneath Sullivan 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 Sullivan County average 8.60 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 Sullivan County.