Kingsport, TN Radon Levels
Check local Kingsport radon levels and find certified testing and mitigation professionals to keep your home safe
Kingsport, TN Radon Facts
This Sullivan County community in the Kingsport metro area shows a radon level of 5.0 pCi/L, exceeding the EPA action level of 4.0 pCi/L. Kingsport's 37660 zip code sits within the Appalachian Valley where limestone bedrock and residential properties with basements create favorable conditions for radon accumulation. Though based on limited testing data, this reading suggests homeowners should consider professional assessment and potential mitigation measures.
Based on 1 user-submitted radon test for homes in Kingsport, TN. The EPA recommends taking action at or above 4.0 pCi/L.
Kingsport, TN Radon Mitigation
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Kingsport, TN Radon Levels
User-submitted radon test readings from homes in the Kingsport area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 5 pCi/L | Kingsport, TN | 0-20 Years | No Basement/All Crawl Space |
Have a radon test result for Kingsport? Submit your reading to help other homeowners.
Radon Readings Near Kingsport, TN
Compare radon levels in Kingsport with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Blountville | 9.3 mi | 20.00 pCi/L | 1 |
| Johnson City | 14.9 mi | 4.20 pCi/L | 5 |
| Jonesborough | 16.4 mi | 7.00 pCi/L | 2 |
| Bluff City | 16.9 mi | 5.00 pCi/L | 1 |
| Telford | 19.7 mi | 12.00 pCi/L | 1 |
| Bristol | 19.7 mi | 6.50 pCi/L | 2 |
| Limestone | 19.7 mi | 7.00 pCi/L | 1 |
| Elizabethton | 22.5 mi | 7.33 pCi/L | 3 |
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.