Woodbridge, VA Radon Mitigation and Testing
Located in Prince William County within the Washington Metro area, Woodbridge shows an average radon level of 4.5 pCi/L based on local testing data, which exceeds the EPA's action level of 4.0 pCi/L. The community's position on Piedmont crystalline bedrock and its predominantly suburban housing with full basements creates conditions where radon can accumulate. Residents in zip codes 22191, 22192, and 22193 should prioritize radon testing and consider mitigation if levels exceed recommended thresholds.
Based on 4 user-submitted radon tests for homes in Woodbridge, VA. The EPA recommends taking action at or above 4.0 pCi/L.
Woodbridge, VA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Woodbridge, VA Radon Testing
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Woodbridge, Virginia Radon Levels
User-submitted radon test readings from homes in the Woodbridge area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 4 pCi/L | Woodbridge, VA | 0-20 Years | Full Basement | Sep 2025 |
| 7 pCi/L | Woodbridge, VA | 0-20 Years | Full Basement | May 2023 |
| 3 pCi/L | Woodbridge, VA | 21-50 Years | Full Basement | May 2019 |
| 4 pCi/L | Woodbridge, VA | 21-50 Years | Full Basement | Dec 2015 |
Have a radon test result for Woodbridge? Submit your reading to help other homeowners.
Woodbridge Radon Facts
Key details about the radon risk profile for Woodbridge and the 22191 zip code area.
Woodbridge and the 22191 zip code are located in Prince William 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 Woodbridge, VA
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Most Active Radon Markets in Virginia
Cities with the most user-submitted radon test data in the state.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Fredericksburg | 7.29 pCi/L | 7 |
| King George | 7.17 pCi/L | 6 |
| Leesburg | 9.80 pCi/L | 5 |
| Chantilly | 9.60 pCi/L | 5 |
| Fancy Gap | 9.40 pCi/L | 5 |
| Purcellville | 10.75 pCi/L | 4 |
| Aldie | 8.00 pCi/L | 4 |
| Front Royal | 7.75 pCi/L | 4 |
| Bristol | 7.50 pCi/L | 4 |
| Winchester | 7.00 pCi/L | 4 |
| Williamsburg | 5.75 pCi/L | 4 |
| Lovettsville | 5.25 pCi/L | 4 |
| Woodbridge | 4.50 pCi/L | 4 |
| Fairfax | 9.67 pCi/L | 3 |
| Stafford | 9.33 pCi/L | 3 |
| Louisa | 8.33 pCi/L | 3 |
| Linden | 7.67 pCi/L | 3 |
| Warrenton | 7.67 pCi/L | 3 |
| Burke | 5.67 pCi/L | 3 |
| Lynchburg | 5.33 pCi/L | 3 |