Rock Falls, IL Radon Levels
Check local Rock Falls radon levels and find certified testing and mitigation professionals to keep your home safe
Rock Falls, IL Radon Facts
Situated in Whiteside County along Illinois' river valley region, Rock Falls shows an average radon level of 6.0 pCi/L based on local testing data. This reading exceeds the EPA action level of 4.0 pCi/L, reflecting the area's Illinois River valley alluvial soils combined with underlying Ordovician limestone that create variable radon conditions. Homeowners in the 61071 zip code should prioritize radon testing and mitigation where needed.
Based on 2 user-submitted radon tests for homes in Rock Falls, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Rock Falls, IL Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Rock Falls, IL Radon Levels
User-submitted radon test readings from homes in the Rock Falls area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 5 pCi/L | Rock Falls, IL | 21-50 Years | — |
| 7 pCi/L | Rock Falls, IL | 51-99 Years | Full Basement |
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Radon Readings Near Rock Falls, IL
Compare radon levels in Rock Falls with the closest nearby cities that have user-submitted test data.
Whiteside County Radon Profile
The bedrock and soils beneath Whiteside County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 2 cities in Whiteside County average 5.33 pCi/L across 3 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Whiteside County.