Portland, AR Radon Levels
Check local Portland radon levels and find certified testing and mitigation professionals to keep your home safe
Portland, AR Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Ashley County, AR
Zip Code
71663
Nestled in Ashley County within the Mississippi River Delta region, Portland features alluvial soils that typically produce lower radon potential. However, testing data for this zip code 71663 community remains sparse, making individual home testing essential. Even in areas with generally lower geological radon risk, individual properties can still experience elevated indoor levels.
Portland, 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 Portland?
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Radon FAQ for Portland, AR
What EPA Radon Zone is Portland in?
Portland and the 71663 zip code are in Ashley 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 Portland?
Radon mitigation in Portland 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 Portland?
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 |