West Mifflin, PA Radon Levels
Check local West Mifflin radon levels and find certified testing and mitigation professionals to keep your home safe
West Mifflin, PA Radon Facts
This Allegheny County borough in the Pittsburgh Metro area shows an average radon level of 9.0 pCi/L, significantly exceeding the EPA action level of 4.0 pCi/L. Built over Pennsylvanian-era bedrock formations known for uranium content, West Mifflin's geology creates conditions favorable for radon accumulation in the area's predominantly mid-century homes with basement foundations. Residents in zip codes 15122 and 15123 should prioritize radon testing and mitigation given these elevated readings.
Based on 1 user-submitted radon test for homes in West Mifflin, PA. The EPA recommends taking action at or above 4.0 pCi/L.
West Mifflin, PA Radon Mitigation
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West Mifflin, PA Radon Levels
User-submitted radon test readings from homes in the West Mifflin area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 9 pCi/L | West Mifflin, PA | 0-20 Years | Full Basement |
Have a radon test result for West Mifflin? Submit your reading to help other homeowners.
Radon Readings Near West Mifflin, PA
Compare radon levels in West Mifflin with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Pittsburgh | 3.8 mi | 9.25 pCi/L | 4 |
| Mckeesport | 5.6 mi | 7.00 pCi/L | 1 |
| Bethel Park | 7.3 mi | 10.00 pCi/L | 1 |
| South Park | 7.8 mi | 7.00 pCi/L | 2 |
| Verona | 8.7 mi | 12.00 pCi/L | 1 |
| Allison Park | 11.9 mi | 8.00 pCi/L | 1 |
| Irwin | 13.1 mi | 10.00 pCi/L | 1 |
| Murrysville | 14.1 mi | 5.00 pCi/L | 1 |
Allegheny County Radon Profile
The bedrock and soils beneath Allegheny County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 10 cities in Allegheny County average 9.36 pCi/L across 14 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Allegheny County.