Colwell, IA Radon Levels
Check local Colwell radon levels and find certified testing and mitigation professionals to keep your home safe
Colwell, IA Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Floyd County, IA
Zip Code
50620
This Floyd County community in north-central Iowa sits within EPA Zone 1, where high radon potential is characteristic of the region. Testing data for zip code 50620 remains limited, making professional radon evaluation essential for area residents. Iowa's glacial till soils over limestone bedrock create conditions favorable for radon gas production and migration into residential foundations.
Colwell, IA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in Colwell?
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Radon FAQ for Colwell, IA
What EPA Radon Zone is Colwell in?
Colwell and the 50620 zip code are in Floyd 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 Colwell?
Radon mitigation in Colwell 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 Colwell?
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 Iowa
Cities in Iowa with the most user-submitted radon test data, ranked by number of submissions.