Dallas City, IL Radon Levels
Check local Dallas City radon levels and find certified testing and mitigation professionals to keep your home safe
Dallas City, IL Radon Facts
This small Hancock County community along the Mississippi River has recorded an average radon level of 9.0 pCi/L, which significantly exceeds the EPA action threshold of 4.0 pCi/L. The underlying limestone bedrock and alluvial soils typical of western Illinois river communities create conditions favorable for radon accumulation. Residents in zip code 62330 should prioritize professional radon testing and mitigation given these elevated readings.
Based on 1 user-submitted radon test for homes in Dallas City, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Dallas City, IL Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Dallas City, IL Radon Levels
User-submitted radon test readings from homes in the Dallas City area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 9 pCi/L | Dallas City, IL | 21-50 Years | — |
Have a radon test result for Dallas City? Submit your reading to help other homeowners.
Radon Readings Near Dallas City, IL
Compare radon levels in Dallas City with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Stronghurst | 16.3 mi | 13.00 pCi/L | 2 |
| Monmouth | 34.4 mi | 8.00 pCi/L | 1 |
| Quincy | 44.7 mi | 7.50 pCi/L | 2 |
| Knoxville | 49.7 mi | 8.00 pCi/L | 1 |
| Cuba | 49.8 mi | 6.00 pCi/L | 1 |
Hancock County Radon Profile
Hancock 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 1 city in Hancock County average 9.00 pCi/L across 1 test — 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 Hancock County to test, as levels can differ between neighboring homes.