Ewing, MO Radon Levels

Q: What EPA Radon Zone is Ewing in?

Ewing is in Lewis County, EPA Zone 2.

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

No homeowner radon tests have been submitted for Ewing yet, so readings from the closest cities and the Lewis 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 Ewing?

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

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

Ewing, MO Radon Facts

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

County Lewis County, MO

Zip Code 63440

Tucked away in Lewis County in northeastern Missouri, Ewing occupies rolling prairie terrain underlain by limestone and shale formations typical of the region. Housing in this rural area consists primarily of older farmsteads and scattered residential properties, many featuring partial basements or crawl spaces. Without established radon testing data for the 63440 area, local homeowners are encouraged to conduct professional radon assessments to understand their individual property risks.

6.67

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 6.67 pCi/L, based on 3 tests from 2 nearby cities. No readings have been submitted for Ewing 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+

Ewing, 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 Ewing, MO

No homeowner tests have been submitted for Ewing 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
Palmyra	17.2 mi	8.00 pCi/L	1
Hannibal	26.9 mi	6.00 pCi/L	2

Lewis County Radon Profile

The soils and bedrock of Lewis County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Few homeowner tests have been logged inside Lewis County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Lewis County to test, as levels can differ between neighboring homes.

Radon FAQ for Ewing, MO

What EPA Radon Zone is Ewing in?

Ewing and the 63440 zip code are in Lewis 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 Ewing?

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

Radon mitigation in Ewing 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 Ewing?

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.