Marks, MS Radon Levels
Check local Marks radon levels and find certified testing and mitigation professionals to keep your home safe
Marks, MS Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Quitman County, MS
Zip Code
38646
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.
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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.