Columbia, MO Radon Levels
Check local Columbia radon levels and find certified testing and mitigation professionals to keep your home safe
Columbia, MO Radon Facts
Situated in Boone County at the heart of Missouri's Columbia Metro area, this university town shows an average radon level of 3.0 pCi/L based on available testing data. The area's limestone bedrock and glacial deposits contribute to moderate radon potential across zip code 65201. While current readings fall within EPA guidelines, continued testing remains important as radon levels can vary significantly between neighboring properties.
Based on 2 user-submitted radon tests for homes in Columbia, MO. The EPA recommends taking action at or above 4.0 pCi/L.
Columbia, MO Radon Mitigation
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Columbia, MO Radon Levels
User-submitted radon test readings from homes in the Columbia area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 3 pCi/L | Columbia, MO | 0-20 Years | Full Basement |
| 3 pCi/L | Columbia, MO | 0-20 Years | Partial Basement |
Have a radon test result for Columbia? Submit your reading to help other homeowners.
Radon Readings Near Columbia, MO
Compare radon levels in Columbia with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Hallsville | 11.5 mi | 5.00 pCi/L | 2 |
| Holts Summit | 23.0 mi | 4.00 pCi/L | 1 |
| Boonville | 25.5 mi | 4.00 pCi/L | 1 |
| Mexico | 25.8 mi | 4.00 pCi/L | 1 |
| Jefferson City | 26.6 mi | 6.00 pCi/L | 1 |
Boone County Radon Profile
The soils and bedrock of Boone County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 2 cities in Boone County average 4.00 pCi/L across 4 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Boone County to test, as levels can differ between neighboring homes.