Garfield, WA Radon Levels
Check local Garfield radon levels and find certified testing and mitigation professionals to keep your home safe
Garfield, WA Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Whitman County, WA
Zip Code
99130
Nestled in Whitman County in southeastern Washington's Palouse region, Garfield sits within EPA Zone 2 for moderate radon potential. The rolling wheat fields and underlying basalt geology of this agricultural area can create variable radon conditions depending on local soil composition and home construction. Limited testing data emphasizes the importance of individual home assessment in zip code 99130.
Garfield, 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 Garfield, WA
What EPA Radon Zone is Garfield in?
Garfield and the 99130 zip code are in Whitman County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.
How much does radon mitigation cost in Garfield?
Radon mitigation in Garfield 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 Garfield?
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.