Hartsville, TN Radon Levels

Q: What EPA Radon Zone is Hartsville in?

Hartsville is in Trousdale County, EPA Zone 1.

Q: How much does radon mitigation cost in Hartsville?

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

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

Hartsville, TN Radon Facts

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

County Trousdale County, TN

Zip Code 37074

Positioned in Trousdale County within the Nashville Metro area, Hartsville sits over Central Basin limestone formations that can produce elevated radon levels throughout Middle Tennessee. Given the area's EPA Zone 1 designation and limited testing data for zip code 37074, local residents should prioritize home radon testing.

8.10

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 8.10 pCi/L, based on 10 tests from 10 nearby cities. No readings have been submitted for Hartsville 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+

Hartsville, 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 Hartsville?

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Radon Readings Near Hartsville, TN

No homeowner tests have been submitted for Hartsville 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
Gallatin	15.6 mi	4.00 pCi/L	1
Lebanon	17.1 mi	5.00 pCi/L	1
Gordonsville	17.3 mi	18.00 pCi/L	1
Mount Juliet	23.3 mi	2.00 pCi/L	1
Old Hickory	26.7 mi	12.00 pCi/L	1
Buffalo Valley	27.2 mi	18.00 pCi/L	1
Hermitage	28.0 mi	4.00 pCi/L	1
White House	28.2 mi	6.00 pCi/L	1

Trousdale County Radon Profile

Because of its underlying geology, Trousdale County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Direct test data for Trousdale County remains limited, so the closest neighboring readings are used here to represent the radon conditions homeowners are likely to encounter. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Trousdale County home regardless of zone or a neighbor's results.

Radon FAQ for Hartsville, TN

What EPA Radon Zone is Hartsville in?

Hartsville and the 37074 zip code are in Trousdale 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 Hartsville?

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

Radon mitigation in Hartsville 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 Hartsville?

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.