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Brilliant, AL Radon Levels

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


Brilliant, AL Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Marion County, AL
Zip Code 35548

Positioned in Marion County in Alabama's northwestern region, Brilliant sits in zip code 35548 where Paleozoic sandstone and shale formations contribute to the area's EPA Zone 2 moderate radon potential. Although comprehensive testing data remains limited for this small community, the underlying geology of the Cumberland Plateau foothills can produce variable radon levels. Local residents should consider radon testing, particularly in homes with basements or crawl spaces.

Brilliant, 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 Brilliant, AL

What EPA Radon Zone is Brilliant in?
Brilliant and the 35548 zip code are in Marion 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 Brilliant?
Radon mitigation in Brilliant 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 Brilliant?
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.

CityAvg User Radon LevelSubmissions
Huntsville 9.00 pCi/L 2
Birmingham 7.00 pCi/L 2
Madison 4.00 pCi/L 1