Portageville, MO Radon Levels

Q: What EPA Radon Zone is Portageville in?

Portageville is in New Madrid County, EPA Zone 3.

Q: What EPA radon zones surround Portageville, MO?

Portageville sits in New Madrid County, which the EPA classifies as Radon Zone 3. Among the nearby communities listed above, 8 in Zone 3 (low risk, under 2 pCi/L). EPA radon zones are county-level predictions of radon potential, so the EPA recommends testing every individual home regardless of its zone, since levels vary from house to house.

Q: How much does radon mitigation cost in Portageville?

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

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

Portageville, MO Radon Facts

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

County New Madrid County, MO

Zip Code 63873

Located in southeastern Missouri's New Madrid County, Portageville sits in the Mississippi River delta region on deep alluvial soils. With limited radon testing data available for zip code 63873, local homeowners should conduct individual testing to assess their properties. The area's unique geological setting in the New Madrid seismic zone and predominantly slab-on-grade housing create distinct conditions for radon behavior.

Portageville, MO Radon Mitigation

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

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EPA Radon Zones Near Portageville, MO

No user-submitted radon readings are available for Portageville or its immediate area yet. The table below shows the EPA radon zone — a county-level prediction of radon risk — for nearby communities. Radon still varies from home to home, so testing is the only way to confirm your level.

City	Distance	County	EPA Radon Zone
Hayti	13.7 mi	Pemiscot County	Zone 3
Bragg City	14.4 mi	Pemiscot County	Zone 3
Clarkton	15.2 mi	Dunklin County	Zone 3
Caruthersville	17.2 mi	Pemiscot County	Zone 3
Malden	18.0 mi	Dunklin County	Zone 3
Holcomb	18.0 mi	Dunklin County	Zone 3
Catron	18.4 mi	Stoddard County	Zone 3
Campbell	22.2 mi	Dunklin County	Zone 3

New Madrid County Radon Profile

The EPA maps New Madrid County as Radon Zone 3, the lowest predicted classification, with modeled indoor screening levels under 2 pCi/L. Direct test data for New Madrid 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 New Madrid County home regardless of zone or a neighbor's results.

Radon FAQ for Portageville, MO

What EPA Radon Zone is Portageville in?

Portageville and the 63873 zip code are in New Madrid 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.

What EPA radon zones surround Portageville, MO?

Portageville sits in New Madrid County, which the EPA classifies as Radon Zone 3. Among the nearby communities listed above, 8 in Zone 3 (low risk, under 2 pCi/L). EPA radon zones are county-level predictions of radon potential, so the EPA recommends testing every individual home regardless of its zone, since levels vary from house to house.

How much does radon mitigation cost in Portageville?

Radon mitigation in Portageville 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 Portageville?

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.