Big Lake, MN Radon Levels
Check local Big Lake radon levels and find certified testing and mitigation professionals to keep your home safe
Big Lake, MN Radon Facts
Big Lake in Sherburne County, part of the Minneapolis-St. Paul Metro area, recorded an average radon level of 7.0 pCi/L based on recent testing—significantly exceeding the EPA action threshold. This zip code 55309 community sits on glacial till deposits that create favorable conditions for radon accumulation in the full basements common to Minnesota homes. Residents should strongly consider radon mitigation systems, as the area's geological conditions and typical housing characteristics contribute to elevated indoor radon concentrations.
Based on 1 user-submitted radon test for homes in Big Lake, MN. The EPA recommends taking action at or above 4.0 pCi/L.
Big Lake, MN Radon Mitigation
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Big Lake, MN Radon Levels
User-submitted radon test readings from homes in the Big Lake area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 7 pCi/L | Big Lake, MN | 51-99 Years | Partial Basement |
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Radon Readings Near Big Lake, MN
Compare radon levels in Big Lake with the closest nearby cities that have user-submitted test data.
Sherburne County Radon Profile
The bedrock and soils beneath Sherburne 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 1 city in Sherburne 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 Sherburne County.