Stewart, MN Radon Levels
Check local Stewart radon levels and find certified testing and mitigation professionals to keep your home safe
Stewart, MN Radon Facts
Located in south-central Minnesota's McLeod County, Stewart sits on glacial till deposits where radon readings average 4.0 pCi/L, right at the EPA action threshold. This small community in zip code 55385 demonstrates the variable radon conditions found throughout Minnesota's prairie region. While current readings are at the EPA guideline, professional testing remains recommended as radon levels can fluctuate seasonally and vary significantly between neighboring properties.
Based on 1 user-submitted radon test for homes in Stewart, MN. The EPA recommends taking action at or above 4.0 pCi/L.
Stewart, MN Radon Mitigation
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Stewart, MN Radon Levels
User-submitted radon test readings from homes in the Stewart area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 4 pCi/L | Stewart, MN | 100+ Years | Full Basement |
Have a radon test result for Stewart? Submit your reading to help other homeowners.
Radon Readings Near Stewart, MN
Compare radon levels in Stewart with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Hutchinson | 12.1 mi | 7.50 pCi/L | 2 |
| Sleepy Eye | 33.5 mi | 12.00 pCi/L | 1 |
| Nicollet | 33.9 mi | 2.00 pCi/L | 1 |
| Delano | 38.3 mi | 5.00 pCi/L | 1 |
| Victoria | 40.1 mi | 4.00 pCi/L | 1 |
| Watkins | 40.3 mi | 5.00 pCi/L | 1 |
| Willmar | 41.0 mi | 14.00 pCi/L | 1 |
| Mound | 41.6 mi | 6.00 pCi/L | 1 |
McLeod County Radon Profile
McLeod County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 2 cities in McLeod County average 6.33 pCi/L across 3 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 McLeod County to test, as levels can differ between neighboring homes.