Ridley Park, PA Radon Levels
Check local Ridley Park radon levels and find certified testing and mitigation professionals to keep your home safe
Ridley Park, PA Radon Facts
Located in Delaware County within the Philadelphia Metro area, Ridley Park sits on the Piedmont Province's crystalline bedrock formations that can contribute to varying radon levels. The community's housing mix includes older homes from the early-to-mid 20th century, many with full basements where radon can accumulate. Testing data for Ridley Park is currently limited, making individual home testing essential for residents in ZIP code 19078 to determine their specific radon exposure risk.
Delaware County average: 5.59 pCi/L, based on 22 user-submitted tests across 13 cities in the county. No homeowner readings have been submitted for Ridley Park itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.
Ridley Park, PA Radon Mitigation
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Radon Readings Near Ridley Park, PA
No homeowner tests have been submitted for Ridley Park yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Swarthmore | 1.9 mi | 5.25 pCi/L | 4 |
| Morton | 1.9 mi | 4.00 pCi/L | 1 |
| Clifton Heights | 3.5 mi | 5.00 pCi/L | 1 |
| Springfield | 3.6 mi | 5.67 pCi/L | 3 |
| Media | 5.0 mi | 7.00 pCi/L | 2 |
| Drexel Hill | 5.1 mi | 2.50 pCi/L | 2 |
| Lansdowne | 5.1 mi | 4.00 pCi/L | 1 |
| Aston | 6.0 mi | 4.00 pCi/L | 1 |
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.