Winthrop, WA Radon Levels
Check local Winthrop radon levels and find certified testing and mitigation professionals to keep your home safe
Winthrop, WA Radon Facts
Tucked in the North Cascades of Okanogan County, Winthrop sits on mountainous terrain with granite and metamorphic bedrock that can generate significant radon levels. Local testing data shows an average radon level of 16.0 pCi/L, which substantially exceeds the EPA action level of 4.0 pCi/L and indicates a serious radon concern for zip code 98862. Given these elevated readings, all homeowners should test immediately and consider mitigation systems, especially in the area's log homes and mountain residences with potential basement or crawl space foundations.
Based on 3 user-submitted radon tests for homes in Winthrop, WA. The EPA recommends taking action at or above 4.0 pCi/L.
Winthrop, WA Radon Mitigation
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Winthrop, WA Radon Levels
User-submitted radon test readings from homes in the Winthrop area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 16 pCi/L | Winthrop, WA | 0-20 Years | Partial Basement |
| 12 pCi/L | Winthrop, WA | 21-50 Years | Partial Basement |
| 20 pCi/L | Winthrop, WA | 0-20 Years | No Basement/All Slab |
Have a radon test result for Winthrop? Submit your reading to help other homeowners.
Radon FAQ for Winthrop, WA
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