Ethel, WA Radon Levels
Check local Ethel radon levels and find certified testing and mitigation professionals to keep your home safe
Ethel, WA Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Lewis County, WA
Zip Code
98542
Ethel in Lewis County is nestled in southwestern Washington's Cascade foothills where volcanic ash deposits and alluvial soils create generally lower radon conditions. The small community features scattered residential properties with a mix of foundation types common to rural Pacific Northwest construction. Testing data for zip code 98542 remains limited, so homeowners should consider individual property testing despite the area's typically modest radon potential.
Ethel, WA Radon Mitigation
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Radon FAQ for Ethel, WA
What EPA Radon Zone is Ethel in?
Ethel and the 98542 zip code are in Lewis 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 Ethel?
Radon mitigation in Ethel 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 Ethel?
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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