Clear Lake, IA resides in Cerro Gordo 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 50428 zip code area.
Clear Lake, IA Radon Mitigation
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Clear Lake, IA Radon Testing
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Clear Lake Radon Facts
Key details about the radon risk profile for Clear Lake and the 50428 zip code area.
EPA Radon Zone
Zone 1 — High Risk
County
Cerro Gordo County, IA
Zip Code
50428
Predicted Screening Level
> 4.0 pCi/L (Zone 1)
Clear Lake and the 50428 zip code are located in Cerro Gordo 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 Clear Lake, IA
What EPA Radon Zone is Clear Lake in?
Clear Lake and the 50428 zip code are in Cerro Gordo 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 Clear Lake?
Radon mitigation in Clear Lake 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 Clear Lake?
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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