Greenville, MO Radon Levels

Q: What EPA Radon Zone is Greenville in?

Greenville is in Wayne County, EPA Zone 2.

Q: How much does radon mitigation cost in Greenville?

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

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

Greenville, MO Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Wayne County, MO

Zip Code 63944

Hidden in the rugged hills of southeastern Missouri's Wayne County, Greenville sits amid Ozark geology featuring dolomite and limestone bedrock. The small community's zip code 63944 contains mostly older rural homes and mobile homes, with many properties built on crawl spaces or slab foundations. Though radon testing data remains sparse, the area's limestone geology suggests homeowners should conduct testing to determine their individual radon risk.

7.20

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.20 pCi/L, based on 5 tests from 3 nearby cities. No readings have been submitted for Greenville yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Greenville, 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 Greenville?

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

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

Radon Readings Near Greenville, MO

No homeowner tests have been submitted for Greenville yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Ellsinore	20.0 mi	3.00 pCi/L	1
Farmington	46.1 mi	9.50 pCi/L	2
Jackson	48.0 mi	7.00 pCi/L	2

Wayne County Radon Profile

Wayne County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. User-submitted readings are still sparse within Wayne County itself, so the nearby measurements shown on this page provide the closest real-world picture of local radon conditions. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Wayne County.

Radon FAQ for Greenville, MO

What EPA Radon Zone is Greenville in?

Greenville and the 63944 zip code are in Wayne County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Greenville?

No homeowner radon tests have been submitted for Greenville yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Wayne County average—are the best available indicator of local conditions until Greenville homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Greenville?

Radon mitigation in Greenville 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 Greenville?

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.