Ashton, IL Radon Levels
Check local Ashton radon levels and find certified testing and mitigation professionals to keep your home safe
Ashton, IL Radon Facts
This small community in Lee County shows an average radon reading of 4.0 pCi/L, right at the EPA action threshold. Located in north-central Illinois within EPA Zone 1, the area's glacial deposits over limestone bedrock create conditions favorable for radon accumulation. Regular testing remains important for homeowners in zip code 61006, especially those with basement foundations.
Based on 1 user-submitted radon test for homes in Ashton, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Ashton, IL Radon Mitigation
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Ashton, IL Radon Levels
User-submitted radon test readings from homes in the Ashton area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 4 pCi/L | Ashton, IL | 100+ Years | Full Basement |
Have a radon test result for Ashton? Submit your reading to help other homeowners.
Radon Readings Near Ashton, IL
Compare radon levels in Ashton with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Rochelle | 8.3 mi | 13.00 pCi/L | 1 |
| Amboy | 13.2 mi | 5.00 pCi/L | 1 |
| Dixon | 14.5 mi | 14.00 pCi/L | 2 |
| Mount Morris | 17.2 mi | 4.00 pCi/L | 1 |
| Stillman Valley | 17.6 mi | 5.00 pCi/L | 1 |
| Byron | 18.5 mi | 11.50 pCi/L | 2 |
| Dekalb | 23.5 mi | 8.75 pCi/L | 4 |
| Earlville | 24.6 mi | 11.00 pCi/L | 1 |
Lee County Radon Profile
Lee 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 3 cities in Lee County average 9.25 pCi/L across 4 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 Lee County to test, as levels can differ between neighboring homes.