Obion, TN Radon Levels

Q: What EPA Radon Zone is Obion in?

Obion is in Obion County, EPA Zone 3.

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

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

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

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

Obion, TN Radon Facts

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

County Obion County, TN

Zip Code 38240

Situated in Obion County within zip code 38240, Obion lies in the Mississippi River floodplain of western Tennessee where alluvial soils over limestone bedrock create variable radon potential. The community's mix of traditional southern architecture and modern homes presents different foundation styles that can influence radon entry patterns. With comprehensive radon testing data limited for this area, individual home measurements remain the most reliable method for assessing exposure risk.

10.00

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 10.00 pCi/L, based on 1 test from 1 nearby city. No readings have been submitted for Obion 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+

Obion, 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 Obion, TN

No homeowner tests have been submitted for Obion 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
Jackson	49.9 mi	10.00 pCi/L	1

Obion County Radon Profile

Local geology places Obion 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 Obion 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 Obion County to test, as levels can differ between neighboring homes.

Radon FAQ for Obion, TN

What EPA Radon Zone is Obion in?

Obion and the 38240 zip code are in Obion 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 Obion?

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

Radon mitigation in Obion 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 Obion?

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.