Sparta, WI Radon Levels
Check local Sparta radon levels and find certified testing and mitigation professionals to keep your home safe
Sparta, WI Radon Facts
Part of the La Crosse Metro area, Sparta lies in Monroe County where Paleozoic sandstone and dolomite formations create western Wisconsin's driftless topography. Testing data shows an average radon level of 5.0 pCi/L, which exceeds the EPA action level of 4.0 pCi/L. Many homes in the 54656 area feature basement foundations built into the underlying bedrock, creating enclosed spaces where radon gas can concentrate and may require mitigation.
Based on 2 user-submitted radon tests for homes in Sparta, WI. The EPA recommends taking action at or above 4.0 pCi/L.
Sparta, WI Radon Mitigation
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Sparta, WI Radon Levels
User-submitted radon test readings from homes in the Sparta area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 5 pCi/L | Sparta, WI | 21-50 Years | Full Basement |
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Radon Readings Near Sparta, WI
Compare radon levels in Sparta with the closest nearby cities that have user-submitted test data.
Monroe County Radon Profile
The soils and bedrock of Monroe County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 2 cities in Monroe County average 6.33 pCi/L across 3 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Monroe County to test, as levels can differ between neighboring homes.