Landenberg, PA Radon Levels
Check local Landenberg radon levels and find certified testing and mitigation professionals to keep your home safe
Landenberg, PA Radon Facts
This Chester County community within the Philadelphia Metro area shows significant radon levels with an average reading of 9.0 pCi/L that exceeds the EPA action threshold. The region's crystalline bedrock formations and traditional Mid-Atlantic housing stock create conditions favorable for radon accumulation, making mitigation systems important for homes in the 19350 zip code.
Based on 1 user-submitted radon test for homes in Landenberg, PA. The EPA recommends taking action at or above 4.0 pCi/L.
Landenberg, PA Radon Mitigation
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Landenberg, PA Radon Levels
User-submitted radon test readings from homes in the Landenberg area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 9 pCi/L | Landenberg, PA | 0-20 Years | Full Basement |
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Radon Readings Near Landenberg, PA
Compare radon levels in Landenberg with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Kennett Square | 7.3 mi | 9.00 pCi/L | 1 |
| Oxford | 10.7 mi | 4.00 pCi/L | 1 |
| Nottingham | 13.7 mi | 7.00 pCi/L | 1 |
| Garnet Valley | 15.9 mi | 7.00 pCi/L | 1 |
| West Chester | 16.8 mi | 6.67 pCi/L | 3 |
| Glen Mills | 17.2 mi | 3.00 pCi/L | 1 |
| Downingtown | 17.3 mi | 20.00 pCi/L | 1 |
| Marcus Hook | 18.8 mi | 13.00 pCi/L | 1 |
Chester County Radon Profile
The bedrock and soils beneath Chester 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 8 cities in Chester County average 9.00 pCi/L across 10 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 Chester County.