Mammoth Lakes, CA Radon Mitigation and Testing
Mammoth Lakes is located in Mono County, California. With 5 user-submitted readings averaging 10.80 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 93546 zip code.
Based on 5 user-submitted radon tests for homes in Mammoth Lakes, CA. The EPA recommends taking action at or above 4.0 pCi/L.
Mammoth Lakes, CA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Mammoth Lakes, CA Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Mammoth Lakes, California Radon Levels
User-submitted radon test readings from homes in the Mammoth Lakes area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 8 pCi/L | Mammoth Lakes, CA | 21-50 Years | No Basement/All Crawl Space | Nov 2024 |
| 10 pCi/L | Mammoth Lakes, CA | 21-50 Years | No Basement/All Crawl Space | Aug 2023 |
| 11 pCi/L | Mammoth Lakes, CA | 51-99 Years | — | May 2021 |
| 9 pCi/L | Mammoth Lakes, CA | 0-20 Years | No Basement/All Slab | Apr 2021 |
| 16 pCi/L | Mammoth Lakes, CA | 0-20 Years | No Basement/All Crawl Space | Nov 2020 |
Have a radon test result for Mammoth Lakes? Submit your reading to help other homeowners.
Mammoth Lakes Radon Facts
Key details about the radon risk profile for Mammoth Lakes and the 93546 zip code area.
Mammoth Lakes and the 93546 zip code are located in Mono 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 Mammoth Lakes, 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 |