Gatlinburg, TN Radon Levels

Q: What EPA Radon Zone is Gatlinburg in?

Gatlinburg is in Sevier County, EPA Zone 2.

Q: How much does radon mitigation cost in Gatlinburg?

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

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

Gatlinburg, TN Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Sevier County, TN

Zip Code 37738

Nestled in Sevier County at the entrance to Great Smoky Mountains National Park, Gatlinburg sits in EPA Zone 2 where moderate radon potential exists. Testing data for this popular tourist destination remains limited, making individual home and business testing important for residents and property owners. The city's mountain setting and diverse building stock, from historic cabins to modern hotels, can produce varying radon accumulation patterns.

8.25

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 8.25 pCi/L, based on 12 tests from 10 nearby cities. No readings have been submitted for Gatlinburg 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+

Gatlinburg, 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 Gatlinburg, TN

No homeowner tests have been submitted for Gatlinburg 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
Walland	19.0 mi	20.00 pCi/L	1
White Pine	26.3 mi	4.00 pCi/L	1
Jefferson City	26.8 mi	5.00 pCi/L	1
Maryville	28.0 mi	10.50 pCi/L	2
Knoxville	32.3 mi	4.00 pCi/L	1
Morristown	35.0 mi	7.00 pCi/L	2
Russellville	40.0 mi	9.00 pCi/L	1
Maynardville	40.1 mi	5.00 pCi/L	1

Sevier County Radon Profile

EPA mapping assigns Sevier County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Direct test data for Sevier 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 Sevier County home regardless of zone or a neighbor's results.

Radon FAQ for Gatlinburg, TN

What EPA Radon Zone is Gatlinburg in?

Gatlinburg and the 37738 zip code are in Sevier County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Gatlinburg?

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

Radon mitigation in Gatlinburg 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 Gatlinburg?

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.