Located in Harrison County along Iowa's western border with the Omaha metro area, this small community sits on Missouri River floodplain deposits over glacial till that can trap radon gas. With no current testing data available for the 51556 area, homeowners should prioritize radon testing given Iowa's generally high radon potential.
Modale, IA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Modale, IA Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Modale Radon Facts
Key details about the radon risk profile for Modale and the 51556 zip code area.
EPA Radon Zone
Zone 1 — High Risk
County
Harrison County, IA
Zip Code
51556
Predicted Screening Level
> 4.0 pCi/L (Zone 1)
Modale and the 51556 zip code are located in Harrison 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 Modale, IA
What EPA Radon Zone is Modale in?
Modale and the 51556 zip code are in Harrison 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 Modale?
Radon mitigation in Modale 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 Modale?
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 with the most user-submitted radon test data in the state.
