Coarsegold, CA Radon Mitigation and Testing
Foothills community Coarsegold in Madera County (zip 93614) within the Fresno Metro recorded an average radon level of 4.0 pCi/L, right at EPA's action threshold. This Sierra Nevada foothills location experiences moderate radon potential due to granite bedrock and gold-bearing geological formations. Residents should consider testing, particularly those with homes featuring basements or crawl spaces that may concentrate radon more readily than typical California slab construction.
Based on 1 user-submitted radon test for homes in Coarsegold, CA. The EPA recommends taking action at or above 4.0 pCi/L.
Coarsegold, CA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Coarsegold, CA Radon Testing
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Coarsegold, California Radon Levels
User-submitted radon test readings from homes in the Coarsegold area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 4 pCi/L | Coarsegold, CA | 21-50 Years | Partial Basement | May 2019 |
Have a radon test result for Coarsegold? Submit your reading to help other homeowners.
Coarsegold Radon Facts
Key details about the radon risk profile for Coarsegold and the 93614 zip code area.
Coarsegold and the 93614 zip code are located in Madera County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.
Radon FAQ for Coarsegold, CA
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Most Active Radon Markets in California
Cities with the most user-submitted radon test data in the state.
| 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 |
| Woodland Hills | 7.67 pCi/L | 3 |
| South Lake Tahoe | 6.33 pCi/L | 3 |
| Palos Verdes Peninsula | 6.00 pCi/L | 3 |
| Bishop | 5.67 pCi/L | 3 |
| Sacramento | 4.33 pCi/L | 3 |
| Oakland | 3.33 pCi/L | 3 |
| Fresno | 10.00 pCi/L | 2 |
| Davis | 8.00 pCi/L | 2 |
| Palo Alto | 6.50 pCi/L | 2 |
| Studio City | 6.50 pCi/L | 2 |
| Menlo Park | 5.00 pCi/L | 2 |
| Truckee | 5.00 pCi/L | 2 |
| Walnut Creek | 4.00 pCi/L | 2 |
| San Diego | 3.50 pCi/L | 2 |
| San Francisco | 3.50 pCi/L | 2 |
| Belmont | 20.00 pCi/L | 1 |