Marshfield, MO Radon Levels
Check local Marshfield radon levels and find certified testing and mitigation professionals to keep your home safe
Marshfield, MO Radon Facts
Located in Webster County within the Springfield Metro area, Marshfield shows an average radon level of 7.0 pCi/L, significantly exceeding the EPA's 4.0 pCi/L action threshold. The area sits over Ozark Plateau limestone and dolomite formations that contribute to elevated radon potential throughout southwest Missouri's 65706 zip code. Given these concerning levels and the region's typical basement construction, residents should prioritize radon testing and professional mitigation systems.
Based on 1 user-submitted radon test for homes in Marshfield, MO. The EPA recommends taking action at or above 4.0 pCi/L.
Marshfield, MO Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Marshfield, MO Radon Levels
User-submitted radon test readings from homes in the Marshfield area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 7 pCi/L | Marshfield, MO | 100+ Years | Full Basement |
Have a radon test result for Marshfield? Submit your reading to help other homeowners.
Radon Readings Near Marshfield, MO
Compare radon levels in Marshfield with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Springfield | 21.8 mi | 7.00 pCi/L | 1 |
| Pittsburg | 42.0 mi | 6.00 pCi/L | 1 |
| Branson | 49.1 mi | 4.00 pCi/L | 1 |
| Waynesville | 49.4 mi | 7.00 pCi/L | 2 |
| Reeds Spring | 49.9 mi | 6.00 pCi/L | 1 |
Webster County Radon Profile
Webster County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. Homeowner-submitted tests from 1 city in Webster County average 7.00 pCi/L across 1 test — 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 Webster County.