Clarkton, MO Radon Levels

Q: What EPA Radon Zone is Clarkton in?

Clarkton is in Dunklin County, EPA Zone 3.

Q: What EPA radon zones surround Clarkton, MO?

Clarkton 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.

Q: How much does radon mitigation cost in Clarkton?

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

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

Clarkton, MO Radon Facts

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

County Dunklin County, MO

Zip Code 63837

Located in Dunklin County in Missouri's southeastern Bootheel region, Clarkton sits within EPA Zone 3, indicating the lowest radon potential statewide. The area's Mississippi River floodplain deposits and sandy soils typically produce minimal radon accumulation in homes. Though testing data for zip code 63837 remains limited, the geological conditions suggest most properties will have readings well below EPA concern levels.

Clarkton, MO Radon Mitigation

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EPA Radon Zones Near Clarkton, MO

No user-submitted radon readings are available for Clarkton 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
Wardell	11.0 mi	Pemiscot County	Zone 3
Parma	12.8 mi	New Madrid County	Zone 3
Bragg City	13.3 mi	Pemiscot County	Zone 3
Portageville	15.2 mi	New Madrid County	Zone 3
Bernie	15.6 mi	Stoddard County	Zone 3
Qulin	18.5 mi	Butler County	Zone 3
Hayti	19.3 mi	Pemiscot County	Zone 3
Catron	20.0 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 Clarkton, MO

What EPA Radon Zone is Clarkton in?

Clarkton and the 63837 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 Clarkton, MO?

Clarkton 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 Clarkton?

Radon mitigation in Clarkton 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 Clarkton?

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.