Marietta, PA Radon Levels
Check local Marietta radon levels and find certified testing and mitigation professionals to keep your home safe
Marietta, PA Radon Facts
This Lancaster County community in Pennsylvania's Amish country has recorded an average radon level of 5.0 pCi/L, exceeding the EPA's recommended action threshold. The area's limestone bedrock and well-drained soils, combined with historic construction featuring stone and block foundations, create favorable conditions for radon accumulation. Homeowners in zip code 17547 should consider professional radon mitigation given the documented elevated readings in this scenic rural setting.
Based on 1 user-submitted radon test for homes in Marietta, PA. The EPA recommends taking action at or above 4.0 pCi/L.
Marietta, PA Radon Mitigation
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Marietta, PA Radon Levels
User-submitted radon test readings from homes in the Marietta area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 5 pCi/L | Marietta, PA | 0-20 Years | Full Basement |
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Radon Readings Near Marietta, PA
Compare radon levels in Marietta with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Mount Joy | 4.1 mi | 4.00 pCi/L | 1 |
| Wrightsville | 5.2 mi | 10.50 pCi/L | 2 |
| Elizabethtown | 6.5 mi | 9.67 pCi/L | 3 |
| Manheim | 10.6 mi | 5.00 pCi/L | 2 |
| York | 10.8 mi | 11.67 pCi/L | 3 |
| Dallastown | 11.6 mi | 6.00 pCi/L | 1 |
| Lancaster | 13.2 mi | 18.00 pCi/L | 1 |
| Dover | 15.9 mi | 13.00 pCi/L | 1 |
Lancaster County Radon Profile
Lancaster 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 9 cities in Lancaster County average 9.00 pCi/L across 15 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 Lancaster County to test, as levels can differ between neighboring homes.