Hornersville, MO Radon Levels

Q: What EPA Radon Zone is Hornersville in?

Hornersville is in Dunklin County, EPA Zone 3.

Q: What EPA radon zones surround Hornersville, MO?

Hornersville 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 Hornersville?

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

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

Hornersville, MO Radon Facts

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

County Dunklin County, MO

Zip Code 63855

Located in Dunklin County within Missouri's Bootheel region, Hornersville sits on Mississippi River alluvial plains where clay-rich soils typically produce lower radon concentrations. The community's housing consists mainly of single-story homes without basements, reflecting the area's flat topography and high water table. While radon testing data for ZIP code 63855 is currently limited, homeowners should still consider testing to verify their individual exposure levels.

Hornersville, 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 Hornersville, MO

No user-submitted radon readings are available for Hornersville 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
Steele	13.9 mi	Pemiscot County	Zone 3
Bragg City	18.6 mi	Pemiscot County	Zone 3
Hayti	22.0 mi	Pemiscot County	Zone 3
Caruthersville	24.5 mi	Pemiscot County	Zone 3
Wardell	24.6 mi	Pemiscot County	Zone 3
Gideon	28.6 mi	New Madrid County	Zone 3
Portageville	33.0 mi	New Madrid County	Zone 3
Malden	35.4 mi	Dunklin 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 Hornersville, MO

What EPA Radon Zone is Hornersville in?

Hornersville and the 63855 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 Hornersville, MO?

Hornersville 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 Hornersville?

Radon mitigation in Hornersville 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 Hornersville?

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.