New Johnsonville, TN Radon Levels

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.

Check local New Johnsonville radon levels and find certified testing and mitigation professionals to keep your home safe

New Johnsonville, TN Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Humphreys County, TN

Zip Code 37134

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.

20.00

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 20.00 pCi/L, based on 1 test from 1 nearby city. No readings have been submitted for New Johnsonville yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

New Johnsonville, TN Radon Mitigation

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

Need Radon Mitigation or Testing in New Johnsonville?

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Radon Readings Near New Johnsonville, TN

No homeowner tests have been submitted for New Johnsonville yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Clarksville	49.9 mi	20.00 pCi/L	1

Humphreys County Radon Profile

Humphreys County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Few homeowner tests have been logged inside Humphreys County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Humphreys County to test, as levels can differ between neighboring homes.

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.

Why are radon readings shown from areas near New Johnsonville?

No homeowner radon tests have been submitted for New Johnsonville yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Humphreys County average—are the best available indicator of local conditions until New Johnsonville homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

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.