Marks, MS Radon Mitigation and Testing

Q: What EPA Radon Zone is Marks in?

Marks is in Quitman County, EPA Zone 3.

Q: How much does radon mitigation cost in Marks?

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

Quitman County

EPA Zone 3

Established in Quitman County within the Mississippi Delta region, Marks is built on deep alluvial deposits that generally produce lower radon levels compared to areas with limestone or granite bedrock. The community's housing includes older structures and newer construction, typically built on pier or slab foundations rather than full basements due to the region's high water table. While radon testing data for zip code 38646 is currently unavailable, homeowners should still consider testing as radon levels can vary even in geologically similar areas.

Marks, MS Radon Mitigation

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

Marks, MS Radon Testing

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

Marks Radon Facts

Key details about the radon risk profile for Marks and the 38646 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Quitman County, MS

Zip Code

38646

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Marks and the 38646 zip code are located in Quitman 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 Marks, MS

What EPA Radon Zone is Marks in?

Marks and the 38646 zip code are in Quitman 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 Marks?

Radon mitigation in Marks 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 Marks?

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.