Smithville, TN Radon Mitigation and Testing

Q: What EPA Radon Zone is Smithville in?

Smithville is in De Kalb County, EPA Zone Unknown.

Q: How much does radon mitigation cost in Smithville?

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

De Kalb County

EPA Zone Unknown

Positioned in De Kalb County within the Nashville Metro area, Smithville sits on Tennessee's characteristic limestone bedrock formations that can produce variable radon levels across the region. Testing data for zip code 37166 is currently limited, making individual home testing essential for residents. The area's mix of rural properties and small-town development, many featuring basement or crawl space foundations typical of middle Tennessee, sits in geological conditions that warrant regular radon monitoring.

Smithville, TN Radon Mitigation

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

Smithville, TN Radon Testing

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

Smithville Radon Facts

Key details about the radon risk profile for Smithville and the 37166 zip code area.

EPA Radon Zone

Unknown

County

De Kalb County, TN

Zip Code

37166

Predicted Screening Level

Unknown

Smithville and the 37166 zip code are located in De Kalb County, which has an EPA assigned Radon Zone of Unknown. A radon zone of Unknown does not have sufficient data for classification. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Smithville, TN

What EPA Radon Zone is Smithville in?

Smithville and the 37166 zip code are in De Kalb County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.

How much does radon mitigation cost in Smithville?

Radon mitigation in Smithville 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 Smithville?

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