New Johnsonville, TN Radon Mitigation and Testing

Q: What EPA Radon Zone is New Johnsonville in?

New Johnsonville is in Humphreys County, EPA Zone 1.

Q: How much does radon mitigation cost in New Johnsonville?

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

Humphreys County

EPA Zone 1

Located along the Tennessee River in Humphreys County, New Johnsonville sits in terrain where limestone bedrock occasionally produces elevated radon readings despite the rural setting. Testing data for zip code 37134 remains limited, making individual property assessment crucial for residents. While the EPA Zone 1 classification suggests lower regional risk, Tennessee River valley geology can create localized radon variations requiring property-specific testing.

New Johnsonville, TN Radon Mitigation

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

New Johnsonville, TN Radon Testing

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

New Johnsonville Radon Facts

Key details about the radon risk profile for New Johnsonville and the 37134 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Humphreys County, TN

Zip Code

37134

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

New Johnsonville and the 37134 zip code are located in Humphreys County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for New Johnsonville, TN

What EPA Radon Zone is New Johnsonville in?

New Johnsonville and the 37134 zip code are in Humphreys County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in New Johnsonville?

Radon mitigation in New Johnsonville 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 New Johnsonville?

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