West Mifflin, PA Radon Mitigation and Testing
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 Testing
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West Mifflin, Pennsylvania Radon Levels
User-submitted radon test readings from homes in the West Mifflin area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 9 pCi/L | West Mifflin, PA | 0-20 Years | Full Basement | Mar 2025 |
Have a radon test result for West Mifflin? Submit your reading to help other homeowners.
West Mifflin Radon Facts
Key details about the radon risk profile for West Mifflin and the 15122 zip code area.
West Mifflin and the 15122 zip code are located in Allegheny County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.
Radon FAQ for West Mifflin, PA
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Most Active Radon Markets in Pennsylvania
Cities with the most user-submitted radon test data in the state.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| State College | 10.00 pCi/L | 14 |
| Chambersburg | 10.14 pCi/L | 7 |
| Easton | 12.33 pCi/L | 6 |
| Butler | 12.40 pCi/L | 5 |
| Dingmans Ferry | 5.80 pCi/L | 5 |
| Hanover | 14.00 pCi/L | 4 |
| Mechanicsburg | 13.75 pCi/L | 4 |
| Greenville | 10.75 pCi/L | 4 |
| Pittsburgh | 9.25 pCi/L | 4 |
| Albrightsville | 9.00 pCi/L | 4 |
| Philadelphia | 8.00 pCi/L | 4 |
| Lackawaxen | 15.33 pCi/L | 3 |
| York | 11.67 pCi/L | 3 |
| Elizabethtown | 9.67 pCi/L | 3 |
| Johnstown | 7.33 pCi/L | 3 |
| West Chester | 6.67 pCi/L | 3 |
| Danville | 5.67 pCi/L | 3 |
| Springfield | 5.67 pCi/L | 3 |
| East Stroudsburg | 5.00 pCi/L | 3 |
| Langhorne | 4.67 pCi/L | 3 |