Obion, TN Radon Mitigation and Testing

Q: What EPA Radon Zone is Obion in?

Obion is in Obion County, EPA Zone 3.

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.

Obion County

EPA Zone 3

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.

Obion, TN Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Obion, TN Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Obion Radon Facts

Key details about the radon risk profile for Obion and the 38240 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Obion County, TN

Zip Code

38240

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Obion and the 38240 zip code are located in Obion County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

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.

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.

Most Active Radon Markets in Tennessee

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Elizabethton	7.33 pCi/L	3
Cleveland	5.33 pCi/L	3
Johnson City	4.33 pCi/L	3
Maryville	10.50 pCi/L	2
Columbia	8.50 pCi/L	2
Bristol	6.50 pCi/L	2
Chattanooga	5.00 pCi/L	2
Clarksville	20.00 pCi/L	1
Kingsport	5.00 pCi/L	1
Knoxville	4.00 pCi/L	1
Greeneville	No submissions	0
Murfreesboro	No submissions	0