Stewart, TN Radon Levels

Q: What EPA Radon Zone is Stewart in?

Stewart is in Houston County, EPA Zone 2.

Q: How much does radon mitigation cost in Stewart?

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

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

Stewart, TN Radon Facts

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

County Houston County, TN

Zip Code 37175

This small community in west Tennessee's Houston County sits within the Clarksville Metro area, where Highland Rim limestone formations contribute to moderate radon potential. Testing data for zip code 37175 is currently limited, though the region's geological setting warrants attention to radon levels. Tennessee's variable bedrock geology makes professional radon testing advisable for all homes, regardless of construction era or foundation type.

11.00

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 11.00 pCi/L, based on 2 tests from 2 nearby cities. No readings have been submitted for Stewart 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+

Stewart, 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 Stewart, TN

No homeowner tests have been submitted for Stewart 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	32.7 mi	20.00 pCi/L	1
Pegram	49.1 mi	2.00 pCi/L	1

Houston County Radon Profile

EPA mapping assigns Houston County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Direct test data for Houston 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 Houston County home regardless of zone or a neighbor's results.

Radon FAQ for Stewart, TN

What EPA Radon Zone is Stewart in?

Stewart and the 37175 zip code are in Houston 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 Stewart?

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

Radon mitigation in Stewart 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 Stewart?

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.