Peoria, IL Radon Levels
Check local Peoria radon levels and find certified testing and mitigation professionals to keep your home safe
Peoria, IL Radon Facts
Situated along the Illinois River valley in Peoria County, this historic city experiences elevated radon conditions due to underlying Ordovician limestone and alluvial soil deposits. Recent testing reveals an average of 5.0 pCi/L, which exceeds the EPA action threshold of 4.0 pCi/L and warrants mitigation consideration. The area's mix of historic homes and postwar construction with full basements creates ideal conditions for radon accumulation across zip codes 61602-61615.
Based on 1 user-submitted radon test for homes in Peoria, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Peoria, IL Radon Mitigation
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Peoria, IL Radon Levels
User-submitted radon test readings from homes in the Peoria area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 5 pCi/L | Peoria, IL | 51-99 Years | Full Basement |
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Radon Readings Near Peoria, IL
Compare radon levels in Peoria with the closest nearby cities that have user-submitted test data.
Peoria County Radon Profile
Because of its underlying geology, Peoria County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 3 cities in Peoria County average 6.67 pCi/L across 3 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Peoria County home regardless of zone or a neighbor's results.