Portageville, MO Radon Mitigation and Testing

Q: What EPA Radon Zone is Portageville in?

Portageville is in New Madrid County, EPA Zone 3.

Q: How much does radon mitigation cost in Portageville?

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

New Madrid County

EPA Zone 3

Located in southeastern Missouri's New Madrid County, Portageville sits in the Mississippi River delta region on deep alluvial soils. With limited radon testing data available for zip code 63873, local homeowners should conduct individual testing to assess their properties. The area's unique geological setting in the New Madrid seismic zone and predominantly slab-on-grade housing create distinct conditions for radon behavior.

Portageville, MO Radon Mitigation

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

Portageville, MO Radon Testing

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

Portageville Radon Facts

Key details about the radon risk profile for Portageville and the 63873 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

New Madrid County, MO

Zip Code

63873

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Portageville and the 63873 zip code are located in New Madrid County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Portageville, MO

What EPA Radon Zone is Portageville in?

Portageville and the 63873 zip code are in New Madrid County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Portageville?

Radon mitigation in Portageville 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 Portageville?

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