College Grove, TN Radon Levels
Check local College Grove radon levels and find certified testing and mitigation professionals to keep your home safe
College Grove, TN Radon Facts
Nestled in affluent Williamson County south of Nashville, College Grove has recorded an average radon level of 3.0 pCi/L based on available testing data. This level remains within EPA recommended ranges, though the limestone bedrock underlying much of middle Tennessee can produce variable radon conditions between neighboring properties. Homeowners in zip code 37046 should still test their individual properties, as radon levels can differ significantly even within the same subdivision.
Based on 1 user-submitted radon test for homes in College Grove, TN. The EPA recommends taking action at or above 4.0 pCi/L.
College Grove, TN Radon Mitigation
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College Grove, TN Radon Levels
User-submitted radon test readings from homes in the College Grove area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 3 pCi/L | College Grove, TN | 0-20 Years | No Basement/All Crawl Space |
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Radon Readings Near College Grove, TN
Compare radon levels in College Grove with the closest nearby cities that have user-submitted test data.
Williamson County Radon Profile
Because of its underlying geology, Williamson 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 3 cities in Williamson County average 6.25 pCi/L across 4 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 Williamson County home regardless of zone or a neighbor's results.