Efland, NC Radon Levels
Check local Efland radon levels and find certified testing and mitigation professionals to keep your home safe
Efland, NC Radon Facts
Part of Orange County in the Durham metropolitan area, Efland sits in North Carolina's Piedmont region where granite intrusions can elevate radon levels. Testing data shows an average reading of 5.0 pCi/L, which exceeds the EPA action level and suggests homeowners should consider mitigation. The community's mix of rural properties and newer suburban development in zip code 27243 presents varying radon risks based on construction methods.
Based on 1 user-submitted radon test for homes in Efland, NC. The EPA recommends taking action at or above 4.0 pCi/L.
Efland, NC Radon Mitigation
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Efland, NC Radon Levels
User-submitted radon test readings from homes in the Efland area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 5 pCi/L | Efland, NC | 21-50 Years | No Basement/All Crawl Space |
Have a radon test result for Efland? Submit your reading to help other homeowners.
Radon Readings Near Efland, NC
Compare radon levels in Efland with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Hillsborough | 5.5 mi | 3.00 pCi/L | 1 |
| Chapel Hill | 14.3 mi | 3.00 pCi/L | 1 |
| Rougemont | 19.0 mi | 9.00 pCi/L | 1 |
| Gibsonville | 21.3 mi | 6.00 pCi/L | 1 |
| Yanceyville | 22.5 mi | 4.00 pCi/L | 1 |
| Stem | 27.1 mi | 3.00 pCi/L | 1 |
| Cary | 30.5 mi | 5.00 pCi/L | 4 |
| Apex | 32.1 mi | 3.50 pCi/L | 2 |
Orange County Radon Profile
Orange County is classified as EPA Radon Zone 3, the lowest predicted-risk tier, with modeled indoor screening averages below 2 pCi/L. Homeowner-submitted tests from 3 cities in Orange County average 3.67 pCi/L across 3 tests — below the EPA's 4 pCi/L action level, though radon varies sharply from home to home. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Orange County.