Cottage Grove, TN Radon Mitigation and Testing

Q: What EPA Radon Zone is Cottage Grove in?

Cottage Grove is in Henry County, EPA Zone 3.

Q: How much does radon mitigation cost in Cottage Grove?

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

Henry County

EPA Zone 3

Positioned in northwestern Tennessee's Henry County, Cottage Grove sits where Mississippi River valley sediments meet underlying limestone formations. Testing data for the 38224 zip code area is currently limited, making individual home testing important for residents. The region's predominantly slab-on-grade and crawl space construction, combined with alluvial soils, typically results in moderate radon potential.

Cottage Grove, TN Radon Mitigation

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

Cottage Grove, TN Radon Testing

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

Cottage Grove Radon Facts

Key details about the radon risk profile for Cottage Grove and the 38224 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Henry County, TN

Zip Code

38224

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Cottage Grove and the 38224 zip code are located in Henry 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 Cottage Grove, TN

What EPA Radon Zone is Cottage Grove in?

Cottage Grove and the 38224 zip code are in Henry 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 Cottage Grove?

Radon mitigation in Cottage Grove 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 Cottage Grove?

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