Fenton, MO Radon Levels
Check local Fenton radon levels and find certified testing and mitigation professionals to keep your home safe
Fenton, MO Radon Facts
Fenton in St Louis County recorded an average radon level of 14.67 pCi/L, substantially exceeding the EPA's 4.0 pCi/L action level. This suburban St. Louis community sits over limestone bedrock that commonly produces elevated radon readings throughout the metro area. Given these high levels in zip code 63026, all residents should test their homes and implement mitigation systems if readings confirm elevated radon concentrations.
Based on 2 user-submitted radon tests for homes in Fenton, MO. The EPA recommends taking action at or above 4.0 pCi/L.
Fenton, MO Radon Mitigation
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Fenton, MO Radon Levels
User-submitted radon test readings from homes in the Fenton area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 12 pCi/L | Fenton, MO | 51-99 Years | Full Basement |
| 20 pCi/L | Fenton, MO | 21-50 Years | Full Basement |
Have a radon test result for Fenton? Submit your reading to help other homeowners.
Radon Readings Near Fenton, MO
Compare radon levels in Fenton with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Arnold | 6.6 mi | 10.50 pCi/L | 2 |
| Imperial | 6.7 mi | 13.00 pCi/L | 1 |
| Ballwin | 7.5 mi | 4.00 pCi/L | 1 |
| House Springs | 7.8 mi | 7.00 pCi/L | 1 |
| Chesterfield | 11.2 mi | 5.00 pCi/L | 1 |
| Saint Charles | 19.0 mi | 5.00 pCi/L | 1 |
| Hazelwood | 20.1 mi | 20.00 pCi/L | 1 |
| Saint Peters | 21.0 mi | 7.00 pCi/L | 1 |
St Louis County Radon Profile
St Louis County has not been assigned a definitive EPA radon zone, so the agency recommends that every home be tested regardless of predicted risk. Homeowner-submitted tests from 4 cities in St Louis County average 12.20 pCi/L across 5 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 St Louis County.