Pottstown, PA Radon Levels
Check local Pottstown radon levels and find certified testing and mitigation professionals to keep your home safe
Pottstown, PA Radon Facts
Pottstown spans both Chester County and Montgomery County within the Philadelphia metro, where Piedmont metamorphic bedrock contributes to significant radon concerns. Current testing shows an average of 7.0 pCi/L - well above the EPA action threshold and requiring immediate mitigation attention. The community's mix of historic row homes and suburban developments across zip codes 19464-19465 means radon risk varies considerably by neighborhood.
Based on 1 user-submitted radon test for homes in Pottstown, PA. The EPA recommends taking action at or above 4.0 pCi/L.
Pottstown, PA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Pottstown, PA Radon Levels
User-submitted radon test readings from homes in the Pottstown area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 7 pCi/L | Pottstown, PA | 0-20 Years | No Basement/All Slab |
Have a radon test result for Pottstown? Submit your reading to help other homeowners.
Radon Readings Near Pottstown, PA
Compare radon levels in Pottstown with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Gilbertsville | 5.9 mi | 5.00 pCi/L | 1 |
| Elverson | 9.1 mi | 16.00 pCi/L | 1 |
| Pennsburg | 13.9 mi | 9.00 pCi/L | 1 |
| Morgantown | 14.5 mi | 8.00 pCi/L | 1 |
| Downingtown | 15.2 mi | 20.00 pCi/L | 1 |
| King Of Prussia | 16.8 mi | 7.00 pCi/L | 1 |
| Wayne | 17.2 mi | 5.00 pCi/L | 1 |
| Reading | 17.9 mi | 13.00 pCi/L | 1 |
Montgomery County Radon Profile
Because of its underlying geology, Montgomery 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 16 cities in Montgomery County average 8.41 pCi/L across 17 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 Montgomery County home regardless of zone or a neighbor's results.