Chapel Hill, TN Radon Levels

Q: What EPA Radon Zone is Chapel Hill in?

Chapel Hill is in Marshall County, EPA Zone 1.

Q: How much does radon mitigation cost in Chapel Hill?

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

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

Chapel Hill, TN Radon Facts

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

County Marshall County, TN

Zip Code 37034

Located in south-central Tennessee's Marshall County, this Chapel Hill sits on limestone bedrock that can produce elevated radon levels. With no current testing data available for the 37034 area, residents should conduct home testing to understand local conditions. The region's karst geology and traditional basement construction create potential pathways for radon accumulation.

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 Chapel Hill 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+

Chapel Hill, 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 Chapel Hill?

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Radon Readings Near Chapel Hill, TN

No homeowner tests have been submitted for Chapel Hill 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
College Grove	10.9 mi	3.00 pCi/L	1
Shelbyville	16.1 mi	10.50 pCi/L	2
Columbia	20.0 mi	8.50 pCi/L	2
Franklin	23.2 mi	5.00 pCi/L	1
Smyrna	24.9 mi	7.00 pCi/L	1
Brentwood	26.3 mi	8.50 pCi/L	2
Nashville	35.8 mi	7.00 pCi/L	1
Dellrose	36.2 mi	10.00 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 Chapel Hill, TN

What EPA Radon Zone is Chapel Hill in?

Chapel Hill and the 37034 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 Chapel Hill?

No homeowner radon tests have been submitted for Chapel Hill 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 Chapel Hill 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 Chapel Hill?

Radon mitigation in Chapel Hill 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 Chapel Hill?

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.