Zalma, MO Radon Levels

Q: What EPA Radon Zone is Zalma in?

Zalma is in Bollinger County, EPA Zone 2.

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

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

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

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

Zalma, MO Radon Facts

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

County Bollinger County, MO

Zip Code 63787

Southeast Missouri's Zalma sits in Bollinger County's ZIP code 63787, where Ozark Mountain geology creates moderate radon potential throughout the region. With testing data currently sparse for this rural community, homeowners should pursue individual radon testing to understand their property's specific risk profile and establish appropriate safety measures.

7.00

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.00 pCi/L, based on 7 tests from 4 nearby cities. No readings have been submitted for Zalma 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+

Zalma, 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 Zalma, MO

No homeowner tests have been submitted for Zalma 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	29.1 mi	7.00 pCi/L	2
Cape Girardeau	32.3 mi	6.50 pCi/L	2
Ellsinore	39.4 mi	3.00 pCi/L	1
Farmington	47.9 mi	9.50 pCi/L	2

Bollinger County Radon Profile

EPA mapping assigns Bollinger County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Direct test data for Bollinger 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 Bollinger County home regardless of zone or a neighbor's results.

Radon FAQ for Zalma, MO

What EPA Radon Zone is Zalma in?

Zalma and the 63787 zip code are in Bollinger 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 Zalma?

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

Radon mitigation in Zalma 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 Zalma?

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.