Madisonville, TN Radon Levels

Q: What EPA Radon Zone is Madisonville in?

Madisonville is in Monroe County, EPA Zone 1.

Q: How much does radon mitigation cost in Madisonville?

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

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

Madisonville, TN Radon Facts

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

County Monroe County, TN

Zip Code 37354

Nestled in Monroe County in eastern Tennessee's foothills region, Madisonville sits where Appalachian geology creates significant radon potential. The area's underlying limestone and shale formations, typical of the Tennessee Valley region, contribute to elevated radon risk in residential properties. Since comprehensive testing data for zip code 37354 isn't readily available, residents should prioritize professional radon measurement to understand their individual home's exposure levels.

9.00

pCi/L area average

Above EPA Action Level

Monroe County average: 9.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Madisonville 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+

Madisonville, 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 Madisonville, TN

No homeowner tests have been submitted for Madisonville 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
Vonore	9.6 mi	9.00 pCi/L	1
Athens	15.1 mi	15.00 pCi/L	1
Loudon	16.4 mi	9.00 pCi/L	1
Lenoir City	21.9 mi	8.00 pCi/L	1
Maryville	25.1 mi	10.50 pCi/L	2
Walland	34.1 mi	20.00 pCi/L	1
Oak Ridge	36.5 mi	7.00 pCi/L	2
Cleveland	37.2 mi	5.33 pCi/L	3

Monroe County Radon Profile

Monroe County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 1 city in Monroe County average 9.00 pCi/L across 1 test — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Monroe County to test, as levels can differ between neighboring homes.

Radon FAQ for Madisonville, TN

What EPA Radon Zone is Madisonville in?

Madisonville and the 37354 zip code are in Monroe 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 Madisonville?

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

Radon mitigation in Madisonville 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 Madisonville?

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.