Ione, WA Radon Levels
Check local Ione radon levels and find certified testing and mitigation professionals to keep your home safe
Ione, WA Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Pend Oreille County, WA
Zip Code
99139
Northeast Washington's Ione, situated in Pend Oreille County, sits on glacial deposits and metamorphic bedrock formations common to the Northern Rocky Mountain region. Testing data for zip code 99139 is currently limited in this sparsely populated forested area. Given Washington's variable radon potential and the geological characteristics of the region, homeowners should conduct testing to establish local baseline levels.
Ione, WA 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 Ione, WA
What EPA Radon Zone is Ione in?
Ione and the 99139 zip code are in Pend Oreille County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in Ione?
Radon mitigation in Ione 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 Ione?
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 Washington
Cities in Washington with the most user-submitted radon test data, ranked by number of submissions.