Loon Lake, WA Radon Levels
Check local Loon Lake radon levels and find certified testing and mitigation professionals to keep your home safe
Loon Lake, WA Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Stevens County, WA
Zip Code
99148
Positioned in Stevens County within the greater Spokane Metro area, Loon Lake in zip code 99148 sits amid glacial lake deposits and granite bedrock typical of Washington's inland northwest. With limited radon testing data currently available for this lakeside community, homeowners should consider independent testing to understand their specific exposure levels. The area's recreational housing mix and varied foundation types can influence how radon accumulates in different properties.
Loon Lake, 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 Loon Lake, WA
What EPA Radon Zone is Loon Lake in?
Loon Lake and the 99148 zip code are in Stevens 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 Loon Lake?
Radon mitigation in Loon Lake 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 Loon Lake?
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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