Only, TN Radon Levels

Q: What EPA Radon Zone is Only in?

Only is in Hickman County, EPA Zone 1.

Q: Why are radon readings shown from areas near Only?

No homeowner radon tests have been submitted for Only yet, so readings from the closest cities and the Hickman County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Only?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Check local Only radon levels and find certified testing and mitigation professionals to keep your home safe

Only, TN Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Hickman County, TN

Zip Code 37140

Part of the Nashville metropolitan area in Hickman County, Only sits over Tennessee's characteristic limestone bedrock that can contribute to elevated radon levels throughout the region. The area's rural housing includes both historic farmhouses and newer residential construction, many featuring partial basements or crawl space foundations. While radon testing data for zip code 37140 is currently being gathered, residents should test their homes given the geological conditions that favor radon production and accumulation.

8.71

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 8.71 pCi/L, based on 7 tests from 5 nearby cities. No readings have been submitted for Only yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Only, TN Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Need Radon Mitigation or Testing in Only?

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Radon Readings Near Only, TN

No homeowner tests have been submitted for Only 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
Columbia	39.3 mi	8.50 pCi/L	2
Pegram	39.3 mi	2.00 pCi/L	1
Franklin	45.8 mi	5.00 pCi/L	1
Clarksville	49.7 mi	20.00 pCi/L	1
Brentwood	49.9 mi	8.50 pCi/L	2

Hickman County Radon Profile

The bedrock and soils beneath Hickman County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. User-submitted readings are still sparse within Hickman County itself, so the nearby measurements shown on this page provide the closest real-world picture of local radon conditions. 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 Hickman County.

Radon FAQ for Only, TN

What EPA Radon Zone is Only in?

Only and the 37140 zip code are in Hickman County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

Why are radon readings shown from areas near Only?

No homeowner radon tests have been submitted for Only yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Hickman County average—are the best available indicator of local conditions until Only homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Only?

Radon mitigation in Only typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Only?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.