Fox River Grove, IL Radon Levels
Check local Fox River Grove radon levels and find certified testing and mitigation professionals to keep your home safe
Fox River Grove, IL Radon Facts
Testing in Fox River Grove reveals an elevated average radon level of 10.0 pCi/L in McHenry County, significantly surpassing EPA guidelines. This Chicago Metro community sits on glacial till deposits over limestone bedrock, geological conditions that strongly favor radon production and accumulation. Given these high readings in zip code 60021, residents should prioritize professional radon testing and mitigation systems.
Based on 1 user-submitted radon test for homes in Fox River Grove, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Fox River Grove, IL Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Fox River Grove, IL Radon Levels
User-submitted radon test readings from homes in the Fox River Grove area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 10 pCi/L | Fox River Grove, IL | 51-99 Years | No Basement/All Crawl Space |
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Radon Readings Near Fox River Grove, IL
Compare radon levels in Fox River Grove with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Cary | 2.1 mi | 6.00 pCi/L | 3 |
| Barrington | 4.8 mi | 6.00 pCi/L | 3 |
| Algonquin | 4.8 mi | 5.00 pCi/L | 2 |
| Lake In The Hills | 5.7 mi | 6.50 pCi/L | 4 |
| Wauconda | 6.6 mi | 6.67 pCi/L | 3 |
| Crystal Lake | 6.6 mi | 7.25 pCi/L | 8 |
| Lake Zurich | 7.5 mi | 6.00 pCi/L | 7 |
| Dundee | 7.6 mi | 14.00 pCi/L | 1 |
McHenry County Radon Profile
EPA mapping assigns McHenry 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 11 cities in McHenry County average 7.73 pCi/L across 33 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 McHenry County home regardless of zone or a neighbor's results.