Chaffee, MO Radon Levels

Q: What EPA Radon Zone is Chaffee in?

Chaffee is in Scott County, EPA Zone 3.

Q: Why are radon readings shown from areas near Chaffee?

No homeowner radon tests have been submitted for Chaffee yet, so readings from the closest cities and the Scott County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Chaffee?

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

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

Chaffee, MO Radon Facts

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

County Scott County, MO

Zip Code 63740

This Scott County community in southeastern Missouri sits in the Mississippi River lowlands, where alluvial soils over underlying bedrock create variable radon conditions throughout the region. Housing in Chaffee typically features slab-on-grade foundations and crawl spaces, which can still accumulate radon despite different foundation styles. With limited testing data available for zip code 63740, residents should prioritize radon testing to establish baseline levels for their homes.

6.75

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 6.75 pCi/L, based on 4 tests from 2 nearby cities. No readings have been submitted for Chaffee 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+

Chaffee, MO Radon Mitigation

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

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Radon Readings Near Chaffee, MO

No homeowner tests have been submitted for Chaffee 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
Cape Girardeau	11.4 mi	6.50 pCi/L	2
Jackson	14.9 mi	7.00 pCi/L	2

Scott County Radon Profile

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

Radon FAQ for Chaffee, MO

What EPA Radon Zone is Chaffee in?

Chaffee and the 63740 zip code are in Scott 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.

Why are radon readings shown from areas near Chaffee?

No homeowner radon tests have been submitted for Chaffee yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Scott County average—are the best available indicator of local conditions until Chaffee 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 Chaffee?

Radon mitigation in Chaffee 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 Chaffee?

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.