Lamar, AR Radon Levels
Check local Lamar radon levels and find certified testing and mitigation professionals to keep your home safe
Lamar, AR Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Johnson County, AR
Zip Code
72846
Nestled in Johnson County within the Arkansas River Valley region, Lamar (72846) sits on Pennsylvanian-era sedimentary formations that typically produce low-to-moderate radon levels. Testing data for this small community remains limited, making individual property assessment important for homeowners. The area's modest housing stock includes many older homes with partial basements or pier foundations that can still facilitate radon entry under certain conditions.
Lamar, AR Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in Lamar?
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Radon FAQ for Lamar, AR
What EPA Radon Zone is Lamar in?
Lamar and the 72846 zip code are in Johnson 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 Lamar?
Radon mitigation in Lamar 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 Lamar?
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 Arkansas
Cities in Arkansas with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Hot Springs Village | 11.60 pCi/L | 5 |
| Bentonville | 4.00 pCi/L | 4 |
| Bella Vista | 13.67 pCi/L | 3 |
| Little Rock | 7.00 pCi/L | 1 |