Karns City, PA Radon Levels
Check local Karns City radon levels and find certified testing and mitigation professionals to keep your home safe
Karns City, PA Radon Facts
Properties in Butler County show concerning radon levels averaging 20.0 pCi/L, five times the EPA action threshold. This Pittsburgh Metro community sits atop Pennsylvania's complex geology of shale and sandstone formations that facilitate significant radon gas production. Immediate professional testing and mitigation are essential for all homes in zip code 16041, particularly those with basement living areas.
Based on 1 user-submitted radon test for homes in Karns City, PA. The EPA recommends taking action at or above 4.0 pCi/L.
Karns City, PA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Karns City, PA Radon Levels
User-submitted radon test readings from homes in the Karns City area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 20 pCi/L | Karns city, PA | 0-20 Years | Full Basement |
Have a radon test result for Karns City? Submit your reading to help other homeowners.
Radon Readings Near Karns City, PA
Compare radon levels in Karns City with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Parker | 7.0 mi | 20.00 pCi/L | 1 |
| Butler | 13.4 mi | 12.40 pCi/L | 5 |
| Kittanning | 16.8 mi | 13.50 pCi/L | 2 |
| Grove City | 22.1 mi | 9.00 pCi/L | 2 |
| Cranberry | 22.4 mi | 1.00 pCi/L | 1 |
| Evans City | 23.6 mi | 5.00 pCi/L | 1 |
| Zelienople | 26.5 mi | 5.00 pCi/L | 2 |
| Mars | 26.7 mi | 6.00 pCi/L | 1 |
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.