Pontiac, IL Radon Levels
Check local Pontiac radon levels and find certified testing and mitigation professionals to keep your home safe
Pontiac, IL Radon Facts
Nestled in Livingston County within the central Illinois prairie region, Pontiac sits atop deep glacial moraine deposits over limestone bedrock that contribute to elevated radon potential. Local testing data shows an average radon level of 10.5 pCi/L, which significantly exceeds the EPA action threshold of 4.0 pCi/L. Given the area's geological conditions and the mix of historic and postwar homes with full basements, all residents in the 61764 zip code should prioritize professional radon testing and mitigation if needed.
Based on 2 user-submitted radon tests for homes in Pontiac, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Pontiac, IL Radon Mitigation
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Pontiac, IL Radon Levels
User-submitted radon test readings from homes in the Pontiac area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 17 pCi/L | Pontiac, IL | 21-50 Years | Partial Basement |
| 4 pCi/L | Pontiac, IL | 0-20 Years | No Basement/All Crawl Space |
Have a radon test result for Pontiac? Submit your reading to help other homeowners.
Radon Readings Near Pontiac, IL
Compare radon levels in Pontiac with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Fairbury | 10.9 mi | 4.00 pCi/L | 1 |
| Ancona | 16.7 mi | 20.00 pCi/L | 1 |
| Dwight | 18.5 mi | 7.00 pCi/L | 1 |
| Streator | 19.9 mi | 7.00 pCi/L | 1 |
| Normal | 31.3 mi | 7.25 pCi/L | 4 |
| Marseilles | 31.5 mi | 9.00 pCi/L | 1 |
| Varna | 33.9 mi | 20.00 pCi/L | 1 |
| Bloomington | 34.4 mi | 11.33 pCi/L | 3 |
Livingston County Radon Profile
Livingston County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 4 cities in Livingston County average 10.40 pCi/L across 5 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Livingston County to test, as levels can differ between neighboring homes.