Butler, PA Radon Levels
Check local Butler radon levels and find certified testing and mitigation professionals to keep your home safe
Butler, PA Radon Facts
Located in western Pennsylvania's Butler County within the Pittsburgh Metro area, Butler shows an average radon level of 12.4 pCi/L based on recent testing. This reading significantly exceeds the EPA action threshold of 4.0 pCi/L, reflecting the region's uranium-bearing shale and limestone bedrock that contribute to elevated radon concentrations throughout southwestern Pennsylvania.
Based on 5 user-submitted radon tests for homes in Butler, PA. The EPA recommends taking action at or above 4.0 pCi/L.
Butler, PA Radon Mitigation
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Butler, PA Radon Levels
User-submitted radon test readings from homes in the Butler area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 20 pCi/L | Butler, PA | 21-50 Years | Full Basement |
| 5 pCi/L | Butler, PA | 21-50 Years | Full Basement |
| 7 pCi/L | Butler, PA | 21-50 Years | Full Basement |
| 20 pCi/L | BUTLER, PA | 0-20 Years | Full Basement |
| 10 pCi/L | Butler, PA | 51-99 Years | Full Basement |
Have a radon test result for Butler? Submit your reading to help other homeowners.
Radon Readings Near Butler, PA
Compare radon levels in Butler with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Evans City | 10.2 mi | 5.00 pCi/L | 1 |
| Zelienople | 13.2 mi | 5.00 pCi/L | 2 |
| Mars | 13.4 mi | 6.00 pCi/L | 1 |
| Karns City | 13.4 mi | 20.00 pCi/L | 1 |
| Cranberry Twp | 16.5 mi | 6.00 pCi/L | 1 |
| Gibsonia | 16.6 mi | 4.00 pCi/L | 1 |
| Parker | 19.7 mi | 20.00 pCi/L | 1 |
| Kittanning | 20.4 mi | 13.50 pCi/L | 2 |
Butler County Radon Profile
Because of its underlying geology, Butler County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 6 cities in Butler County average 9.91 pCi/L across 11 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Butler County home regardless of zone or a neighbor's results.