Zalma, MO Radon Mitigation and Testing

Q: What EPA Radon Zone is Zalma in?

Zalma is in Bollinger County, EPA Zone 2.

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.

Bollinger County

EPA Zone 2

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.

Zalma, MO Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Zalma, MO Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Zalma Radon Facts

Key details about the radon risk profile for Zalma and the 63787 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Bollinger County, MO

Zip Code

63787

Predicted Screening Level

2–4 pCi/L (Zone 2)

Zalma and the 63787 zip code are located in Bollinger County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

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.

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.

Most Active Radon Markets in Missouri

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Troy	8.50 pCi/L	4
Lees Summit	7.00 pCi/L	3
Columbia	3.00 pCi/L	2
House Springs	7.00 pCi/L	1
Kansas City	7.00 pCi/L	1
Springfield	7.00 pCi/L	1
Independence	5.00 pCi/L	1
Wentzville	No submissions	0