Shelbyville, IL Radon Levels
Check local Shelbyville radon levels and find certified testing and mitigation professionals to keep your home safe
Shelbyville, IL Radon Facts
Central Illinois's Shelbyville in Shelby County recorded an average radon level of 17.0 pCi/L, significantly exceeding the EPA action threshold and reflecting the region's glacial moraine deposits over limestone bedrock. This reading from zip code 62565 underscores the importance of testing and mitigation in this EPA Zone 2 community. Local housing stock includes both historic downtown properties and newer residential developments, many featuring full basements where radon can accumulate.
Based on 1 user-submitted radon test for homes in Shelbyville, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Shelbyville, IL Radon Mitigation
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Shelbyville, IL Radon Levels
User-submitted radon test readings from homes in the Shelbyville area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 17 pCi/L | Shelbyville, IL | 0-20 Years | Full Basement |
Have a radon test result for Shelbyville? Submit your reading to help other homeowners.
Radon Readings Near Shelbyville, IL
Compare radon levels in Shelbyville with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Moweaqua | 16.2 mi | 7.00 pCi/L | 1 |
| Mattoon | 23.0 mi | 9.33 pCi/L | 3 |
| Effingham | 26.7 mi | 4.33 pCi/L | 3 |
| Taylorville | 26.8 mi | 2.00 pCi/L | 1 |
| Charleston | 33.6 mi | 8.00 pCi/L | 1 |
| Tuscola | 36.5 mi | 17.00 pCi/L | 1 |
| Monticello | 41.2 mi | 4.50 pCi/L | 2 |
| Divernon | 46.3 mi | 7.00 pCi/L | 1 |
Shelby County Radon Profile
EPA mapping assigns Shelby County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 2 cities in Shelby County average 12.00 pCi/L across 2 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 Shelby County home regardless of zone or a neighbor's results.