Poway, CA Radon Mitigation and Testing
Located in inland San Diego County within the San Diego Metro area, Poway shows elevated radon levels with an average reading of 7.67 pCi/L, exceeding the EPA action level. The city's position on granite bedrock and decomposed granite soils contributes to these higher-than-expected readings for Southern California. Residents of zip code 92064 should prioritize radon testing and mitigation, particularly in homes with basements or built into hillsides.
Based on 3 user-submitted radon tests for homes in Poway, CA. The EPA recommends taking action at or above 4.0 pCi/L.
Poway, CA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Poway, CA Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Poway, California Radon Levels
User-submitted radon test readings from homes in the Poway area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 15 pCi/L | Poway, CA | 21-50 Years | Partial Basement | Nov 2024 |
| 3 pCi/L | Poway, CA | 21-50 Years | No Basement/All Slab | Nov 2021 |
| 5 pCi/L | Poway, CA | 0-20 Years | Partial Basement | Sep 2019 |
Have a radon test result for Poway? Submit your reading to help other homeowners.
Poway Radon Facts
Key details about the radon risk profile for Poway and the 92064 zip code area.
Poway and the 92064 zip code are located in San Diego County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.
Radon FAQ for Poway, CA
What is the average radon level in Poway, CA?
What EPA Radon Zone is Poway in?
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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 |