Cardwell, MO Radon Levels

Q: What EPA Radon Zone is Cardwell in?

Cardwell is in Dunklin County, EPA Zone 3.

Q: What EPA radon zones surround Cardwell, MO?

Cardwell 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 Cardwell?

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

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

Cardwell, MO Radon Facts

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

County Dunklin County, MO

Zip Code 63829

Located in southeastern Missouri's Dunklin County, Cardwell sits in the Mississippi River lowlands where alluvial soils typically produce lower radon levels than upland areas. This rural community features modest homes on varied foundation types, from pier-and-beam to slab construction. With testing data limited for zip code 63829, residents should consider radon testing to establish baseline readings for their properties.

Cardwell, MO Radon Mitigation

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

Need Radon Mitigation or Testing in Cardwell?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Dunklin County Pros

1-800-299-3578 636-205-4618 (local) Toll-free · Mon–Fri 8am–6pm ET

EPA Radon Zones Near Cardwell, MO

No user-submitted radon readings are available for Cardwell 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	25.7 mi	Pemiscot County	Zone 3
Bragg City	28.2 mi	Pemiscot County	Zone 3
Hayti	32.9 mi	Pemiscot County	Zone 3
Wardell	33.7 mi	Pemiscot County	Zone 3
Gideon	35.3 mi	New Madrid County	Zone 3
Caruthersville	36.0 mi	Pemiscot County	Zone 3
Qulin	37.2 mi	Butler County	Zone 3
Neelyville	38.3 mi	Butler 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 Cardwell, MO

What EPA Radon Zone is Cardwell in?

Cardwell and the 63829 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 Cardwell, MO?

Cardwell 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 Cardwell?

Radon mitigation in Cardwell 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 Cardwell?

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.