Romeoville, IL Radon Levels
Check local Romeoville radon levels and find certified testing and mitigation professionals to keep your home safe
Romeoville, IL Radon Facts
Romeoville in Will County shows significantly elevated radon levels, with recent testing revealing an average of 15.0 pCi/L — nearly four times the EPA action threshold. This southwestern Chicago suburb sits atop glacial till deposits over limestone bedrock that create ideal conditions for radon accumulation in basement-equipped homes throughout zip code 60446. Immediate radon mitigation is strongly recommended for homes showing these dangerous levels.
Based on 1 user-submitted radon test for homes in Romeoville, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Romeoville, IL Radon Mitigation
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Romeoville, IL Radon Levels
User-submitted radon test readings from homes in the Romeoville area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 15 pCi/L | Romeoville, IL | 21-50 Years | Full Basement |
Have a radon test result for Romeoville? Submit your reading to help other homeowners.
Radon Readings Near Romeoville, IL
Compare radon levels in Romeoville with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Lockport | 3.4 mi | 12.50 pCi/L | 2 |
| Bolingbrook | 4.0 mi | 9.00 pCi/L | 2 |
| Crest Hill | 6.1 mi | 6.00 pCi/L | 1 |
| Homer Glen | 6.2 mi | 4.33 pCi/L | 3 |
| Lemont | 6.7 mi | 16.00 pCi/L | 1 |
| Plainfield | 7.7 mi | 6.33 pCi/L | 3 |
| Woodridge | 7.8 mi | 5.00 pCi/L | 1 |
| Darien | 8.5 mi | 5.00 pCi/L | 1 |
Will County Radon Profile
EPA mapping assigns Will 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 16 cities in Will County average 8.00 pCi/L across 30 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 Will County home regardless of zone or a neighbor's results.