Hanover, PA Radon Levels
Check local Hanover radon levels and find certified testing and mitigation professionals to keep your home safe
Hanover, PA Radon Facts
Located in York County within south-central Pennsylvania, Hanover has recorded a significant average radon level of 14.0 pCi/L based on recent testing, substantially exceeding the EPA's action threshold due to the region's limestone and shale bedrock. The area's mix of historic and modern homes, predominantly featuring basements, creates ideal conditions for radon accumulation. Given these documented high levels in zip code 17331, residents should prioritize immediate radon testing and seriously consider professional mitigation systems.
Based on 4 user-submitted radon tests for homes in Hanover, PA. The EPA recommends taking action at or above 4.0 pCi/L.
Hanover, PA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Hanover, PA Radon Levels
User-submitted radon test readings from homes in the Hanover area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 13 pCi/L | Hanover, PA | 51-99 Years | Full Basement |
| 7 pCi/L | Hanover, PA | 0-20 Years | Full Basement |
| 17 pCi/L | Hanover, PA | 21-50 Years | Partial Basement |
| 19 pCi/L | Hanover, PA | 0-20 Years | Partial Basement |
Have a radon test result for Hanover? Submit your reading to help other homeowners.
Radon Readings Near Hanover, PA
Compare radon levels in Hanover with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Littlestown | 7.0 mi | 9.00 pCi/L | 1 |
| East Berlin | 11.8 mi | 20.00 pCi/L | 1 |
| Glen Rock | 12.4 mi | 14.33 pCi/L | 3 |
| Gettysburg | 13.1 mi | 6.50 pCi/L | 2 |
| Seven Valleys | 13.6 mi | 17.00 pCi/L | 1 |
| Dover | 16.1 mi | 13.00 pCi/L | 1 |
| New Freedom | 16.2 mi | 12.00 pCi/L | 2 |
| Shrewsbury | 16.4 mi | 5.00 pCi/L | 1 |
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.