Dahlgren, VA Radon Levels
Check local Dahlgren radon levels and find certified testing and mitigation professionals to keep your home safe
Dahlgren, VA Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
King George County, VA
Zip Code
22448
Located in King George County in northern Virginia, Dahlgren sits on Coastal Plain sediments where radon levels are typically moderate but can vary significantly by location. With testing data limited for ZIP code 22448, residents should consider professional assessment given the area's proximity to the Potomac River and mixed geological conditions. The community's combination of military housing and civilian homes may show different radon patterns based on construction era.
Dahlgren, VA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Radon FAQ for Dahlgren, VA
What EPA Radon Zone is Dahlgren in?
Dahlgren and the 22448 zip code are in King George County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.
How much does radon mitigation cost in Dahlgren?
Radon mitigation in Dahlgren typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.
Should I test for radon if I'm buying a home in Dahlgren?
Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.
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 |