Lancaster, TN Radon Levels

Q: What EPA Radon Zone is Lancaster in?

Lancaster is in Smith County, EPA Zone 1.

Q: How much does radon mitigation cost in Lancaster?

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

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

Lancaster, TN Radon Facts

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

County Smith County, TN

Zip Code 38569

This Smith County community within the Nashville Metro area sits atop Tennessee's limestone plateau formations that can influence radon accumulation in homes. With testing data currently limited for the 38569 zip code, local residents should prioritize professional radon testing to understand their individual property risks.

18.00

pCi/L area average

Above EPA Action Level

Smith County average: 18.00 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Lancaster itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Lancaster, 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 Lancaster?

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Radon Readings Near Lancaster, TN

No homeowner tests have been submitted for Lancaster 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
Buffalo Valley	8.1 mi	18.00 pCi/L	1
Gordonsville	10.2 mi	18.00 pCi/L	1
Cookeville	21.5 mi	4.00 pCi/L	1
Lebanon	24.3 mi	5.00 pCi/L	1
Sparta	25.5 mi	12.00 pCi/L	1
Mcminnville	28.9 mi	6.50 pCi/L	2
Mount Juliet	36.7 mi	2.00 pCi/L	1
Smyrna	37.4 mi	7.00 pCi/L	1

Smith County Radon Profile

Because of its underlying geology, Smith County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 2 cities in Smith County average 18.00 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Smith County home regardless of zone or a neighbor's results.

Radon FAQ for Lancaster, TN

What EPA Radon Zone is Lancaster in?

Lancaster and the 38569 zip code are in Smith 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 Lancaster?

No homeowner radon tests have been submitted for Lancaster yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Smith County average—are the best available indicator of local conditions until Lancaster 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 Lancaster?

Radon mitigation in Lancaster 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 Lancaster?

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.