Westby, WI Radon Levels
Check local Westby radon levels and find certified testing and mitigation professionals to keep your home safe
Westby, WI Radon Facts
Nestled in Vernon County within the La Crosse Metro area, Westby sits on the Driftless Area's limestone and sandstone bedrock formations. Local testing shows an average radon level of 5.0 pCi/L, which exceeds the EPA's 4.0 pCi/L action threshold and indicates that homes in the 54667 zip code should prioritize radon testing and mitigation if needed.
Based on 1 user-submitted radon test for homes in Westby, WI. The EPA recommends taking action at or above 4.0 pCi/L.
Westby, WI Radon Mitigation
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Westby, WI Radon Levels
User-submitted radon test readings from homes in the Westby area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 5 pCi/L | Westby, WI | 0-20 Years | Full Basement |
Have a radon test result for Westby? Submit your reading to help other homeowners.
Radon Readings Near Westby, WI
Compare radon levels in Westby with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Viroqua | 8.3 mi | 5.00 pCi/L | 1 |
| Sparta | 20.3 mi | 5.00 pCi/L | 2 |
| Onalaska | 24.1 mi | 3.00 pCi/L | 1 |
| Kendall | 26.8 mi | 9.00 pCi/L | 1 |
| Holmen | 28.6 mi | 2.00 pCi/L | 1 |
| Blue River | 32.8 mi | 6.00 pCi/L | 1 |
| La Valle | 37.9 mi | 9.00 pCi/L | 2 |
| Black River Falls | 43.7 mi | 9.00 pCi/L | 1 |
Vernon County Radon Profile
Vernon County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 2 cities in Vernon County average 5.00 pCi/L across 2 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 Vernon County to test, as levels can differ between neighboring homes.