Webb City, MO Radon Levels
Check local Webb City radon levels and find certified testing and mitigation professionals to keep your home safe
Webb City, MO Radon Facts
This Jasper County community in the Joplin metro area shows an average radon level of 7.0 pCi/L, which significantly exceeds EPA's 4.0 pCi/L action threshold and requires immediate attention. Built on Mississippian limestone with extensive lead and zinc mining history, Webb City's 64870 zip code demonstrates the elevated radon potential common throughout the Tri-State mining region. Professional radon mitigation is strongly recommended given these elevated baseline readings.
Based on 1 user-submitted radon test for homes in Webb City, MO. The EPA recommends taking action at or above 4.0 pCi/L.
Webb City, MO Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Webb City, MO Radon Levels
User-submitted radon test readings from homes in the Webb City area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 7 pCi/L | Webb City, MO | 21-50 Years | Full Basement |
Have a radon test result for Webb City? Submit your reading to help other homeowners.
Radon Readings Near Webb City, MO
Compare radon levels in Webb City with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Carl Junction | 5.2 mi | 5.00 pCi/L | 1 |
Jasper County Radon Profile
EPA mapping assigns Jasper County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 2 cities in Jasper County average 6.00 pCi/L across 2 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 Jasper County home regardless of zone or a neighbor's results.