Minnesota City, MN Radon Levels
Check local Minnesota City radon levels and find certified testing and mitigation professionals to keep your home safe
Minnesota City, MN Radon Facts
Situated along the Mississippi River bluffs in Winona County, Minnesota City has recorded an average radon level of 7.0 pCi/L, which significantly exceeds the EPA action level of 4.0 pCi/L. This southeastern Minnesota community in zip code 55959 sits within EPA Zone 1, where limestone bedrock and river valley geology contribute to elevated readings. Residents should test their homes and consider mitigation systems given these concerning levels.
Based on 1 user-submitted radon test for homes in Minnesota City, MN. The EPA recommends taking action at or above 4.0 pCi/L.
Minnesota City, MN Radon Mitigation
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Minnesota City, MN Radon Levels
User-submitted radon test readings from homes in the Minnesota City area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 7 pCi/L | Minnesota City, MN | 21-50 Years | Partial Basement |
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Radon Readings Near Minnesota City, MN
Compare radon levels in Minnesota City with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Winona | 4.2 mi | 10.00 pCi/L | 1 |
| La Crescent | 27.0 mi | 7.50 pCi/L | 2 |
Winona County Radon Profile
The bedrock and soils beneath Winona County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 2 cities in Winona County average 8.50 pCi/L across 2 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 Winona County.