Stewartstown, PA Radon Levels
Check local Stewartstown radon levels and find certified testing and mitigation professionals to keep your home safe
Stewartstown, PA Radon Facts
Located in south-central Pennsylvania's York County, Stewartstown has recorded concerning radon levels averaging 11.0 pCi/L, nearly three times the EPA action threshold. This York Metro community in zip code 17363 sits on Triassic bedrock formations known for producing elevated radon concentrations. Immediate professional radon testing and mitigation are strongly recommended for all area homes, particularly those with basements or crawl spaces.
Based on 2 user-submitted radon tests for homes in Stewartstown, PA. The EPA recommends taking action at or above 4.0 pCi/L.
Stewartstown, PA Radon Mitigation
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Stewartstown, PA Radon Levels
User-submitted radon test readings from homes in the Stewartstown area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 11 pCi/L | Stewartstown, PA | 21-50 Years | Full Basement |
Have a radon test result for Stewartstown? Submit your reading to help other homeowners.
Radon Readings Near Stewartstown, PA
Compare radon levels in Stewartstown with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Shrewsbury | 4.2 mi | 5.00 pCi/L | 1 |
| New Freedom | 5.1 mi | 12.00 pCi/L | 2 |
| Glen Rock | 8.0 mi | 14.33 pCi/L | 3 |
| Fawn Grove | 8.5 mi | 20.00 pCi/L | 2 |
| Seven Valleys | 9.5 mi | 17.00 pCi/L | 1 |
| Dallastown | 10.2 mi | 6.00 pCi/L | 1 |
| Delta | 13.5 mi | 11.00 pCi/L | 1 |
| York | 14.3 mi | 11.67 pCi/L | 3 |
York County Radon Profile
York County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 13 cities in York County average 12.74 pCi/L across 23 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in York County to test, as levels can differ between neighboring homes.