Lansdowne, PA Radon Levels
Check local Lansdowne radon levels and find certified testing and mitigation professionals to keep your home safe
Lansdowne, PA Radon Facts
This established borough in Delaware County, part of the Philadelphia Metro area, shows an average radon level of 4.0 pCi/L based on current data. While this reading sits right at the EPA action threshold, homeowners in zip code 19050 should monitor radon levels regularly, particularly in older homes with basement foundations. The underlying Wissahickon schist formation can contribute to radon accumulation in enclosed spaces.
Based on 1 user-submitted radon test for homes in Lansdowne, PA. The EPA recommends taking action at or above 4.0 pCi/L.
Lansdowne, PA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Lansdowne, PA Radon Levels
User-submitted radon test readings from homes in the Lansdowne area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 4 pCi/L | Lansdowne, PA | 51-99 Years | Full Basement |
Have a radon test result for Lansdowne? Submit your reading to help other homeowners.
Radon Readings Near Lansdowne, PA
Compare radon levels in Lansdowne with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Clifton Heights | 1.7 mi | 5.00 pCi/L | 1 |
| Drexel Hill | 2.3 mi | 2.50 pCi/L | 2 |
| Springfield | 3.8 mi | 5.67 pCi/L | 3 |
| Morton | 3.8 mi | 4.00 pCi/L | 1 |
| Ardmore | 4.8 mi | 6.00 pCi/L | 2 |
| Swarthmore | 5.3 mi | 5.25 pCi/L | 4 |
| Bala Cynwyd | 5.4 mi | 1.00 pCi/L | 1 |
| Broomall | 5.7 mi | 7.00 pCi/L | 2 |
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.