Inchelium, WA Radon Levels
Check local Inchelium radon levels and find certified testing and mitigation professionals to keep your home safe
Inchelium, WA Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Ferry County, WA
Zip Code
99138
Tucked away in Ferry County in northeastern Washington, Inchelium sits in EPA Zone 1 amid the region's complex geology of granite and metamorphic rock. The small community's remote location features scattered residential properties with diverse foundation types adapted to the mountainous terrain. Testing data for Inchelium (99138) remains limited, making radon testing advisable for local residents.
Inchelium, 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 Inchelium, WA
What EPA Radon Zone is Inchelium in?
Inchelium and the 99138 zip code are in Ferry 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 Inchelium?
Radon mitigation in Inchelium 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 Inchelium?
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.
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