Denmark, TN Radon Levels

Q: What EPA Radon Zone is Denmark in?

Denmark is in Madison County, EPA Zone 3.

Q: Why are radon readings shown from areas near Denmark?

No homeowner radon tests have been submitted for Denmark yet, so readings from the closest cities and the Madison County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Denmark?

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

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

Denmark, TN Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Madison County, TN

Zip Code 38391

Situated in Madison County within the Jackson Metro area, Denmark lies on Mississippi River valley alluvium and underlying sedimentary formations. Testing data for zip code 38391 remains sparse, making local radon pattern assessment difficult. While western Tennessee typically shows moderate radon potential, the area's mix of alluvial and bedrock geology means individual home testing is recommended.

10.00

pCi/L area average

Above EPA Action Level

Madison County average: 10.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Denmark 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+

Denmark, 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 Denmark, TN

No homeowner tests have been submitted for Denmark 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
Jackson	10.7 mi	10.00 pCi/L	1

Madison County Radon Profile

Local geology places Madison County in EPA Radon Zone 3, where predicted indoor radon averages fall below 2 pCi/L — though no county is risk-free. Homeowner-submitted tests from 1 city in Madison County average 10.00 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 Madison County to test, as levels can differ between neighboring homes.

Radon FAQ for Denmark, TN

What EPA Radon Zone is Denmark in?

Denmark and the 38391 zip code are in Madison County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

Why are radon readings shown from areas near Denmark?

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

Radon mitigation in Denmark 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 Denmark?

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.