Marshall, VA Radon Levels
Check local Marshall radon levels and find certified testing and mitigation professionals to keep your home safe
Marshall, VA Radon Facts
Located in Fauquier County within the Washington Metro area, Marshall shows an average radon level of 6.0 pCi/L, which exceeds the EPA's 4.0 pCi/L action level. The area's Piedmont geology, featuring crystalline bedrock and residual soils, contributes to elevated radon potential across zip code 20115. Homeowners should prioritize radon testing and mitigation, particularly in homes with basements or crawl spaces common to this region.
Based on 1 user-submitted radon test for homes in Marshall, VA. The EPA recommends taking action at or above 4.0 pCi/L.
Marshall, VA Radon Mitigation
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Marshall, VA Radon Levels
User-submitted radon test readings from homes in the Marshall area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 6 pCi/L | Marshall, VA | 21-50 Years | Full Basement |
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Radon FAQ for Marshall, VA
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Most Active Radon Markets in Virginia
Cities in Virginia with the most user-submitted radon test data, ranked by number of submissions.
| 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 |
| Williamsburg | 5.80 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 |