Iowa City, IA Radon Mitigation and Testing
Home to the University of Iowa in Johnson County, Iowa City shows an average radon level of 7.0 pCi/L across zip codes 52240, 52242, 52245, and 52246, significantly exceeding EPA's 4.0 pCi/L action threshold. The area's Devonian limestone bedrock and glacial till deposits create ideal conditions for radon accumulation in the many basement-equipped homes throughout this college community.
Based on 1 user-submitted radon test for homes in Iowa City, IA. The EPA recommends taking action at or above 4.0 pCi/L.
Iowa City, IA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Iowa City, IA Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Iowa City, Iowa Radon Levels
User-submitted radon test readings from homes in the Iowa City area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 7 pCi/L | Iowa City, IA | 21-50 Years | Full Basement | Oct 2024 |
Have a radon test result for Iowa City? Submit your reading to help other homeowners.
Iowa City Radon Facts
Key details about the radon risk profile for Iowa City and the 52240 zip code area.
Iowa City and the 52240 zip code are located in Johnson 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.