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Malden, MO Radon Levels

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


Malden, MO Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County Dunklin County, MO
Zip Code 63863

Situated in Dunklin County in southeastern Missouri's Mississippi River lowlands, Malden sits on alluvial deposits that typically produce lower radon levels than the state's limestone regions. Current testing data for zip code 63863 is limited, making professional radon testing important for establishing baseline levels in local homes. While the area's geology suggests moderate radon potential, individual home characteristics and soil conditions can still create elevated readings.

Malden, 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 Malden, MO

No user-submitted radon readings are available for Malden 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.

CityDistanceCountyEPA Radon Zone
Catron 14.0 mi Stoddard County Zone 3
Dexter 15.3 mi Stoddard County Zone 3
Qulin 16.0 mi Butler County Zone 3
Wardell 17.5 mi Pemiscot County Zone 3
Broseley 17.5 mi Butler County Zone 3
Portageville 18.0 mi New Madrid County Zone 3
Essex 18.5 mi Stoddard County Zone 3
Dudley 18.7 mi Stoddard County Zone 3

Dunklin County Radon Profile

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

Radon FAQ for Malden, MO

What EPA Radon Zone is Malden in?
Malden and the 63863 zip code are in Dunklin 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 Malden, MO?
Malden sits in Dunklin 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 Malden?
Radon mitigation in Malden 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 Malden?
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.