Jefferson City, MO Radon Levels
Check local Jefferson City radon levels and find certified testing and mitigation professionals to keep your home safe
Jefferson City, MO Radon Facts
Missouri's capital city in Cole County shows radon levels averaging 6.0 pCi/L, exceeding the EPA action level and reflecting the region's limestone bedrock geology. Jefferson City Metro residents across zip codes 65101 and 65109 should prioritize radon testing given this elevated reading. The city's mix of historic government buildings and residential neighborhoods often feature basements where radon can concentrate.
Based on 1 user-submitted radon test for homes in Jefferson City, MO. The EPA recommends taking action at or above 4.0 pCi/L.
Jefferson 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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Jefferson City, MO Radon Levels
User-submitted radon test readings from homes in the Jefferson City area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 6 pCi/L | Jefferson City, MO | 100+ Years | Full Basement |
Have a radon test result for Jefferson City? Submit your reading to help other homeowners.
Radon Readings Near Jefferson City, MO
Compare radon levels in Jefferson City with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Holts Summit | 6.6 mi | 4.00 pCi/L | 1 |
| Columbia | 26.6 mi | 3.00 pCi/L | 2 |
| Hallsville | 37.6 mi | 5.00 pCi/L | 2 |
| Gravois Mills | 39.8 mi | 7.00 pCi/L | 1 |
| Boonville | 40.0 mi | 4.00 pCi/L | 1 |
| Sunrise Beach | 42.4 mi | 5.00 pCi/L | 2 |
| Mexico | 45.3 mi | 4.00 pCi/L | 1 |
| Rolla | 48.6 mi | 4.50 pCi/L | 2 |
Cole County Radon Profile
The soils and bedrock of Cole 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 1 city in Cole County average 6.00 pCi/L across 1 test — 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 Cole County to test, as levels can differ between neighboring homes.