Maryville, MO Radon Levels

Q: What EPA Radon Zone is Maryville in?

Maryville is in Nodaway County, EPA Zone 1.

Q: How much does radon mitigation cost in Maryville?

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

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

Maryville, MO Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Nodaway County, MO

Zip Code 64468

Located in Nodaway County in northwest Missouri's agricultural region, Maryville sits atop glacial loess deposits that can contribute to variable radon levels throughout the area. While comprehensive testing data for zip code 64468 remains limited, the region's geological characteristics suggest potential for elevated indoor radon concentrations. Homeowners in this farming community should prioritize radon testing, particularly in properties with basements or lower-level living spaces.

5.00

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 5.00 pCi/L, based on 1 test from 1 nearby city. No readings have been submitted for Maryville 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+

Maryville, 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 Maryville, MO

No homeowner tests have been submitted for Maryville 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
Rock Port	34.9 mi	5.00 pCi/L	1

Nodaway County Radon Profile

Because of its underlying geology, Nodaway County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Direct test data for Nodaway 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 Nodaway County home regardless of zone or a neighbor's results.

Radon FAQ for Maryville, MO

What EPA Radon Zone is Maryville in?

Maryville and the 64468 zip code are in Nodaway County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

Why are radon readings shown from areas near Maryville?

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

Radon mitigation in Maryville 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 Maryville?

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.