Springdale, WA Radon Levels
Check local Springdale radon levels and find certified testing and mitigation professionals to keep your home safe
Springdale, WA Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Stevens County, WA
Zip Code
99173
Remote Stevens County contains Springdale in Washington's rural northeast, where granitic bedrock and glacial deposits create variable radon conditions. Testing data for zip code 99173 remains limited, though the region's geology suggests moderate radon potential. Area homes, ranging from older farmsteads to newer construction, should undergo professional radon testing regardless of foundation type.
Springdale, 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 Springdale, WA
What EPA Radon Zone is Springdale in?
Springdale and the 99173 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 Springdale?
Radon mitigation in Springdale 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 Springdale?
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.