Usk, WA Radon Levels
Check local Usk radon levels and find certified testing and mitigation professionals to keep your home safe
Usk, WA Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Pend Oreille County, WA
Zip Code
99180
Located in remote Pend Oreille County in northeastern Washington, Usk sits within the Idaho Batholith region where granite bedrock can contribute to elevated radon levels. The community's EPA Zone 1 designation reflects high radon potential, though testing data for the 99180 zip code area remains limited. Given the region's geological characteristics and the prevalence of homes with partial basements, residents are advised to conduct comprehensive radon testing.
Usk, WA Radon Mitigation
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Radon FAQ for Usk, WA
What EPA Radon Zone is Usk in?
Usk and the 99180 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 Usk?
Radon mitigation in Usk 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 Usk?
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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