Columbia, AL Radon Levels

Q: What EPA Radon Zone is Columbia in?

Columbia is in Henry County, EPA Zone 3.

Q: How much does radon mitigation cost in Columbia?

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

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

Columbia, AL Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Henry County, AL

Zip Code 36319

Situated in southeastern Alabama's Henry County, Columbia lies within the Coastal Plain region where sandy sediments and low-grade metamorphic rocks typically produce minimal radon emissions. The 36319 zip code area, part of the broader Dothan metro region, features primarily single-story homes with slab-on-grade foundations common to Gulf Coast construction. While testing data remains limited, the geological setting suggests generally low radon potential, though individual property assessment provides the most reliable evaluation.

Columbia, AL 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 Columbia, AL

What EPA Radon Zone is Columbia in?

Columbia and the 36319 zip code are in Henry 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 Columbia?

Radon mitigation in Columbia 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 Columbia?

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 Alabama

Cities in Alabama with the most user-submitted radon test data, ranked by number of submissions.

City	Avg User Radon Level	Submissions
Huntsville	9.00 pCi/L	2
Birmingham	7.00 pCi/L	2
Madison	4.00 pCi/L	1