Jasper, TN Radon Levels

Q: What EPA Radon Zone is Jasper in?

Jasper is in Marion County, EPA Zone 3.

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

No homeowner radon tests have been submitted for Jasper yet, so readings from the closest cities and the Marion 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 Jasper?

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

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

Jasper, TN Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Marion County, TN

Zip Code 37347

Located in Marion County within the Chattanooga Metro area, Jasper currently has limited radon testing data available for homeowners in zip code 37347. This southeastern Tennessee community sits in EPA Zone 3, where the region's limestone bedrock and mountain geology can contribute to variable radon levels. Professional radon testing is recommended for all Jasper residents to determine actual indoor concentrations and assess potential health risks.

6.40

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 6.40 pCi/L, based on 10 tests from 6 nearby cities. No readings have been submitted for Jasper 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+

Jasper, 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 Jasper?

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Radon Readings Near Jasper, TN

No homeowner tests have been submitted for Jasper 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
Signal Mountain	14.8 mi	7.00 pCi/L	1
Chattanooga	18.1 mi	5.00 pCi/L	2
Dunlap	22.8 mi	14.00 pCi/L	1
Winchester	30.2 mi	4.00 pCi/L	1
Cleveland	41.7 mi	5.33 pCi/L	3
Mcminnville	41.8 mi	6.50 pCi/L	2

Marion County Radon Profile

Local geology places Marion County in EPA Radon Zone 3, where predicted indoor radon averages fall below 2 pCi/L — though no county is risk-free. Few homeowner tests have been logged inside Marion County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Marion County to test, as levels can differ between neighboring homes.

Radon FAQ for Jasper, TN

What EPA Radon Zone is Jasper in?

Jasper and the 37347 zip code are in Marion County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

Why are radon readings shown from areas near Jasper?

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

Radon mitigation in Jasper 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 Jasper?

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.