Garnet Valley, PA Radon Levels
Check local Garnet Valley radon levels and find certified testing and mitigation professionals to keep your home safe
Garnet Valley, PA Radon Facts
This Delaware County community within the Philadelphia Metro area recorded a radon level of 7.0 pCi/L from recent testing, which exceeds the EPA action level. Despite being located in EPA Zone 1 where higher radon levels are expected, this reading confirms the need for professional mitigation assessment. The underlying bedrock and soil conditions throughout southeastern Pennsylvania create favorable environments for radon accumulation in zip code 19060.
Based on 1 user-submitted radon test for homes in Garnet Valley, PA. The EPA recommends taking action at or above 4.0 pCi/L.
Garnet Valley, PA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Garnet Valley, PA Radon Levels
User-submitted radon test readings from homes in the Garnet Valley area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 7 pCi/L | Garnet Valley, PA | 21-50 Years | — |
Have a radon test result for Garnet Valley? Submit your reading to help other homeowners.
Radon Readings Near Garnet Valley, PA
Compare radon levels in Garnet Valley with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Glen Mills | 3.4 mi | 3.00 pCi/L | 1 |
| Aston | 3.7 mi | 4.00 pCi/L | 1 |
| Marcus Hook | 3.8 mi | 13.00 pCi/L | 1 |
| Media | 7.1 mi | 7.00 pCi/L | 2 |
| Swarthmore | 8.7 mi | 5.25 pCi/L | 4 |
| West Chester | 9.1 mi | 6.67 pCi/L | 3 |
| Morton | 10.1 mi | 4.00 pCi/L | 1 |
| Springfield | 10.3 mi | 5.67 pCi/L | 3 |
Delaware County Radon Profile
The bedrock and soils beneath Delaware County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 13 cities in Delaware County average 5.59 pCi/L across 22 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. 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 Delaware County.