Seymour, TN Radon Levels

Q: What EPA Radon Zone is Seymour in?

Seymour is in Sevier County, EPA Zone 2.

Q: How much does radon mitigation cost in Seymour?

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

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

Seymour, TN Radon Facts

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

County Sevier County, TN

Zip Code 37865

Nestled in Sevier County near the foothills of the Great Smoky Mountains, Seymour benefits from its location in the Knoxville Metro area while maintaining its rural character. The community's homes, ranging from historic farmhouses to modern subdivisions in zip code 37865, sit on varied geological formations that can influence radon levels. With limited local testing data available, homeowners should prioritize radon testing to ensure their families' safety.

8.00

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 8.00 pCi/L, based on 13 tests from 10 nearby cities. No readings have been submitted for Seymour 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+

Seymour, 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 Seymour, TN

No homeowner tests have been submitted for Seymour 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	9.1 mi	20.00 pCi/L	1
Knoxville	14.7 mi	4.00 pCi/L	1
Maryville	17.1 mi	10.50 pCi/L	2
Jefferson City	22.7 mi	5.00 pCi/L	1
Maynardville	25.7 mi	5.00 pCi/L	1
Lenoir City	28.1 mi	8.00 pCi/L	1
White Pine	28.9 mi	4.00 pCi/L	1
Oak Ridge	30.4 mi	7.00 pCi/L	2

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 Seymour, TN

What EPA Radon Zone is Seymour in?

Seymour and the 37865 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 Seymour?

No homeowner radon tests have been submitted for Seymour 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 Seymour 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 Seymour?

Radon mitigation in Seymour 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 Seymour?

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.