New Market, TN Radon Levels
Check local New Market radon levels and find certified testing and mitigation professionals to keep your home safe
New Market, TN Radon Facts
Situated in Jefferson County in eastern Tennessee, New Market falls within EPA Zone 1 where Appalachian geology can contribute to radon accumulation. The area's mix of older mountain homes and newer construction, including properties with basements less common in other parts of Tennessee, creates variable radon risk profiles. Testing data for zip code 37820 is currently limited, so residents should consider individual radon testing to assess their specific exposure levels.
Jefferson County average: 4.50 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for New Market itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.
New Market, TN Radon Mitigation
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Radon Readings Near New Market, TN
No homeowner tests have been submitted for New Market yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Jefferson City | 5.4 mi | 5.00 pCi/L | 1 |
| White Pine | 14.9 mi | 4.00 pCi/L | 1 |
| Morristown | 17.7 mi | 7.00 pCi/L | 2 |
| Maynardville | 18.6 mi | 5.00 pCi/L | 1 |
| Russellville | 24.2 mi | 9.00 pCi/L | 1 |
| Knoxville | 24.6 mi | 4.00 pCi/L | 1 |
| Walland | 26.8 mi | 20.00 pCi/L | 1 |
| Maryville | 34.5 mi | 10.50 pCi/L | 2 |
Jefferson County Radon Profile
Because of its underlying geology, Jefferson County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 2 cities in Jefferson County average 4.50 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Jefferson County home regardless of zone or a neighbor's results.