Lewistown, MO Radon Levels

Q: What EPA Radon Zone is Lewistown in?

Lewistown is in Lewis County, EPA Zone 2.

Q: How much does radon mitigation cost in Lewistown?

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

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

Lewistown, MO Radon Facts

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

County Lewis County, MO

Zip Code 63452

Located in Lewis County in northeastern Missouri, Lewistown sits in EPA Zone 2 where moderate radon potential exists across the region's rolling terrain. The area's glacial drift soils over sedimentary bedrock can facilitate radon entry into residential basements and crawl spaces. Since comprehensive testing data for zip code 63452 is currently unavailable, local residents should prioritize professional radon testing to assess their individual home's risk level.

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 Lewistown 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+

Lewistown, 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 Lewistown, MO

No homeowner tests have been submitted for Lewistown 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	25.2 mi	8.00 pCi/L	1
Hannibal	34.8 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 Lewistown, MO

What EPA Radon Zone is Lewistown in?

Lewistown and the 63452 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 Lewistown?

No homeowner radon tests have been submitted for Lewistown 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 Lewistown 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 Lewistown?

Radon mitigation in Lewistown 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 Lewistown?

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.