Butler, TN Radon Mitigation and Testing

Q: What EPA Radon Zone is Butler in?

Butler is in Johnson County, EPA Zone 2.

Q: How much does radon mitigation cost in Butler?

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

Johnson County

EPA Zone 2

Situated in northeastern Tennessee's Johnson County within the Johnson City Metro area, Butler lies in the Appalachian region where sedimentary rock formations can produce moderate radon levels. Without current testing data for the 37640 zip code, residents should conduct home radon testing to determine their individual exposure levels.

Butler, TN Radon Mitigation

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

Butler, TN Radon Testing

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

Butler Radon Facts

Key details about the radon risk profile for Butler and the 37640 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Johnson County, TN

Zip Code

37640

Predicted Screening Level

2–4 pCi/L (Zone 2)

Butler and the 37640 zip code are located in Johnson County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Butler, TN

What EPA Radon Zone is Butler in?

Butler and the 37640 zip code are in Johnson County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Butler?

Radon mitigation in Butler 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 Butler?

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