Old Appleton, MO Radon Levels

Q: What EPA Radon Zone is Old Appleton in?

Old Appleton is in Cape Girardeau County, EPA Zone 2.

Q: How much does radon mitigation cost in Old Appleton?

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

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

Old Appleton, MO Radon Facts

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

County Cape Girardeau County, MO

Zip Code 63770

Positioned in Cape Girardeau County near the Mississippi River, Old Appleton sits on alluvial deposits overlying Ordovician limestone bedrock. Though specific radon testing data for zip code 63770 remains limited, the area's Zone 2 EPA classification suggests moderate radon potential. Rural homes with basement foundations should be tested to assess individual radon risk.

6.75

pCi/L area average

Above EPA Action Level

Cape Girardeau County average: 6.75 pCi/L, based on 4 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Old Appleton itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Old Appleton, 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 Old Appleton, MO

No homeowner tests have been submitted for Old Appleton 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
Jackson	14.8 mi	7.00 pCi/L	2
Cape Girardeau	21.9 mi	6.50 pCi/L	2
Farmington	40.6 mi	9.50 pCi/L	2

Cape Girardeau County Radon Profile

The soils and bedrock of Cape Girardeau County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 2 cities in Cape Girardeau County average 6.75 pCi/L across 4 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Cape Girardeau County to test, as levels can differ between neighboring homes.

Radon FAQ for Old Appleton, MO

What EPA Radon Zone is Old Appleton in?

Old Appleton and the 63770 zip code are in Cape Girardeau 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 Old Appleton?

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

Radon mitigation in Old Appleton 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 Old Appleton?

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.