Colwell, IA resides 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. Testing is recommended for all homes in the 50620 zip code area.
Colwell, IA Radon Mitigation
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Colwell, IA Radon Testing
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Colwell Radon Facts
Key details about the radon risk profile for Colwell and the 50620 zip code area.
EPA Radon Zone
Zone 1 — High Risk
County
Floyd County, IA
Zip Code
50620
Predicted Screening Level
> 4.0 pCi/L (Zone 1)
Colwell and the 50620 zip code are located in Floyd County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.
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.
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