Lewis, IA Radon Levels
Check local Lewis radon levels and find certified testing and mitigation professionals to keep your home safe
Lewis, IA Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Cass County, IA
Zip Code
51544
Part of Cass County within the greater Omaha Metro region, Lewis sits in Iowa's glacial till territory where soil conditions can promote radon gas migration. With no current testing data for zip code 51544, homeowners should prioritize individual radon testing to establish baseline readings. Iowa's widespread glacial deposits and the common use of basement foundations create conditions where radon accumulation is a genuine concern.
Lewis, IA 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 Lewis, IA
What EPA Radon Zone is Lewis in?
Lewis and the 51544 zip code are in Cass 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 Lewis?
Radon mitigation in Lewis 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 Lewis?
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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