Stronghurst, IL Radon Levels
Check local Stronghurst radon levels and find certified testing and mitigation professionals to keep your home safe
Stronghurst, IL Radon Facts
Located in Henderson County in western Illinois, Stronghurst demonstrates the significant radon potential found throughout the state's glacial till regions. Recent testing reveals an alarming average radon level of 13.0 pCi/L, more than triple the EPA action threshold of 4.0 pCi/L. Homes in zip code 61480 require immediate radon mitigation attention, particularly those with full basements typical of Illinois construction where radon accumulates most readily.
Based on 2 user-submitted radon tests for homes in Stronghurst, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Stronghurst, IL Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Stronghurst, IL Radon Levels
User-submitted radon test readings from homes in the Stronghurst area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 14 pCi/L | Stronghurst, IL | 100+ Years | — |
| 12 pCi/L | Stronghurst, IL | — | Full Basement |
Have a radon test result for Stronghurst? Submit your reading to help other homeowners.
Radon Readings Near Stronghurst, IL
Compare radon levels in Stronghurst with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Dallas City | 16.3 mi | 9.00 pCi/L | 1 |
| Monmouth | 18.3 mi | 8.00 pCi/L | 1 |
| Knoxville | 35.1 mi | 8.00 pCi/L | 1 |
| New Windsor | 39.3 mi | 6.00 pCi/L | 1 |
| Cuba | 42.8 mi | 6.00 pCi/L | 1 |
Henderson County Radon Profile
Because of its underlying geology, Henderson County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 1 city in Henderson County average 13.00 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 Henderson County home regardless of zone or a neighbor's results.