Cedar Rapids, IA Radon Mitigation and Testing
Iowa's second-largest city in Linn County recorded radon levels averaging exactly 4.0 pCi/L across recent testing, meeting but not exceeding the EPA action threshold. Cedar Rapids spans multiple zip codes (52401-52404) within its own metro area, positioned over glacial till deposits and limestone bedrock typical of eastern Iowa's high-radon geology. While current readings are at the EPA threshold, the area's geological conditions warrant continued vigilance and regular testing for all residents.
Based on 2 user-submitted radon tests for homes in Cedar Rapids, IA. The EPA recommends taking action at or above 4.0 pCi/L.
Cedar Rapids, IA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Cedar Rapids, IA Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Cedar Rapids, Iowa Radon Levels
User-submitted radon test readings from homes in the Cedar Rapids area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 4 pCi/L | Cedar Rapids, IA | 0-20 Years | Full Basement | Sep 2022 |
| 4 pCi/L | Cedar Rapids, IA | — | — | Feb 2020 |
Have a radon test result for Cedar Rapids? Submit your reading to help other homeowners.
Cedar Rapids Radon Facts
Key details about the radon risk profile for Cedar Rapids and the 52401 zip code area.
Cedar Rapids and the 52401 zip code are located in Linn 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.