Reliance, TN Radon Levels

Q: What EPA Radon Zone is Reliance in?

Reliance is in Polk County, EPA Zone 2.

Q: How much does radon mitigation cost in Reliance?

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

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

Reliance, TN Radon Facts

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

County Polk County, TN

Zip Code 37369

Located in mountainous Polk County, Reliance sits in Tennessee's southeastern highlands where crystalline bedrock and fractured geological formations can produce variable radon levels. Testing data for zip code 37369 remains limited, though the area's complex geology suggests homeowners should conduct testing regardless of home age or construction type. The region's mix of older mountain homes and newer construction creates diverse foundation conditions that can affect radon entry rates.

8.38

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 8.38 pCi/L, based on 13 tests from 9 nearby cities. No readings have been submitted for Reliance 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+

Reliance, 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 Reliance?

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Radon Readings Near Reliance, TN

No homeowner tests have been submitted for Reliance 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
Cleveland	17.9 mi	5.33 pCi/L	3
Athens	19.4 mi	15.00 pCi/L	1
Vonore	31.9 mi	9.00 pCi/L	1
Loudon	39.5 mi	9.00 pCi/L	1
Chattanooga	42.7 mi	5.00 pCi/L	2
Signal Mountain	45.0 mi	7.00 pCi/L	1
Lenoir City	45.9 mi	8.00 pCi/L	1
Maryville	48.3 mi	10.50 pCi/L	2

Polk County Radon Profile

The soils and bedrock of Polk County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Few homeowner tests have been logged inside Polk 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 Polk County to test, as levels can differ between neighboring homes.

Radon FAQ for Reliance, TN

What EPA Radon Zone is Reliance in?

Reliance and the 37369 zip code are in Polk 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 Reliance?

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

Radon mitigation in Reliance 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 Reliance?

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.