Big Rock, TN Radon Levels

Q: What EPA Radon Zone is Big Rock in?

Big Rock is in Stewart County, EPA Zone 2.

Q: How much does radon mitigation cost in Big Rock?

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

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

Big Rock, TN Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Stewart County, TN

Zip Code 37023

Located in Stewart County within the Clarksville Metro area, Big Rock sits on Tennessee's Highland Rim where limestone bedrock and residual soils create variable radon conditions across zip code 37023. While testing data isn't currently available for this community, the area's karst geology can produce unexpected radon levels depending on local soil conditions and construction details. Homeowners should consider radon testing, particularly in homes with basements or crawl spaces where gas accumulation is more likely.

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 Big Rock 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+

Big Rock, TN Radon Mitigation

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

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Radon Readings Near Big Rock, TN

No homeowner tests have been submitted for Big Rock 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	21.8 mi	20.00 pCi/L	1

Stewart County Radon Profile

Stewart County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. User-submitted readings are still sparse within Stewart County itself, so the nearby measurements shown on this page provide the closest real-world picture of local radon conditions. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Stewart County.

Radon FAQ for Big Rock, TN

What EPA Radon Zone is Big Rock in?

Big Rock and the 37023 zip code are in Stewart 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.

Why are radon readings shown from areas near Big Rock?

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

Radon mitigation in Big Rock 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 Big Rock?

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.