Arnold, CA Radon Levels
Check local Arnold radon levels and find certified testing and mitigation professionals to keep your home safe
Arnold, CA Radon Facts
Arnold in Calaveras County has recorded an average radon level of 5.67 pCi/L, which exceeds the EPA action threshold and reflects the elevated radon potential in California's Sierra Nevada foothills. The community's location on granitic bedrock and decomposed granite soils contributes to these elevated readings in zip code 95223. Homeowners should conduct radon testing and consider mitigation systems, particularly in homes with basements or crawl spaces.
Based on 3 user-submitted radon tests for homes in Arnold, CA. The EPA recommends taking action at or above 4.0 pCi/L.
Arnold, CA Radon Mitigation
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Arnold, CA Radon Levels
User-submitted radon test readings from homes in the Arnold area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 5 pCi/L | Arnold, CA | 21-50 Years | No Basement/All Slab |
| 6 pCi/L | Arnold, CA | 21-50 Years | Partial Basement |
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Radon FAQ for Arnold, CA
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Most Active Radon Markets in California
Cities in California with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Los Angeles | 7.83 pCi/L | 6 |
| Mammoth Lakes | 10.80 pCi/L | 5 |
| San Jose | 4.20 pCi/L | 5 |
| Rancho Palos Verdes | 8.00 pCi/L | 4 |
| Bishop | 6.25 pCi/L | 4 |
| Oakland | 5.00 pCi/L | 4 |
| Woodland Hills | 7.67 pCi/L | 3 |
| South Lake Tahoe | 6.33 pCi/L | 3 |
| Palos Verdes Peninsula | 6.00 pCi/L | 3 |
| Sacramento | 4.33 pCi/L | 3 |