Lewisburg, TN Radon Levels

Q: What EPA Radon Zone is Lewisburg in?

Lewisburg is in Marshall County, EPA Zone 1.

Q: How much does radon mitigation cost in Lewisburg?

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

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

Lewisburg, TN Radon Facts

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

County Marshall County, TN

Zip Code 37091

Positioned in Marshall County within the Nashville Metro region, Lewisburg sits in middle Tennessee where limestone geology can influence radon levels across the area. Testing data for zip code 37091 is currently limited, making individual home radon testing important for local residents. Tennessee's karst topography and the mix of basement and crawl space foundations common in this region create conditions where radon monitoring is advisable.

7.15

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.15 pCi/L, based on 13 tests from 10 nearby cities. No readings have been submitted for Lewisburg 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+

Lewisburg, TN Radon Mitigation

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

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Radon Readings Near Lewisburg, TN

No homeowner tests have been submitted for Lewisburg 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	18.0 mi	8.50 pCi/L	2
Shelbyville	18.0 mi	10.50 pCi/L	2
College Grove	22.4 mi	3.00 pCi/L	1
Dellrose	23.4 mi	10.00 pCi/L	1
Franklin	33.5 mi	5.00 pCi/L	1
Brentwood	37.8 mi	8.50 pCi/L	2
Smyrna	38.2 mi	7.00 pCi/L	1
Winchester	42.1 mi	4.00 pCi/L	1

Marshall County Radon Profile

Because of its underlying geology, Marshall County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Direct test data for Marshall County remains limited, so the closest neighboring readings are used here to represent the radon conditions homeowners are likely to encounter. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Marshall County home regardless of zone or a neighbor's results.

Radon FAQ for Lewisburg, TN

What EPA Radon Zone is Lewisburg in?

Lewisburg and the 37091 zip code are in Marshall 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 Lewisburg?

No homeowner radon tests have been submitted for Lewisburg yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Marshall County average—are the best available indicator of local conditions until Lewisburg 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 Lewisburg?

Radon mitigation in Lewisburg 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 Lewisburg?

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.