Steen, MN Radon Levels
Check local Steen radon levels and find certified testing and mitigation professionals to keep your home safe
Steen, MN Radon Facts
Located in Rock County within the Sioux Falls Metro area, Steen sits atop Sioux Quartzite bedrock and glacial till deposits that typically produce lower radon levels. While testing data for zip code 56173 remains limited, the geological setting generally favors moderate radon potential. Homeowners should still consider testing to establish baseline readings.
Rock County average: 8.50 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Steen itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.
Steen, MN Radon Mitigation
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Radon Readings Near Steen, MN
No homeowner tests have been submitted for Steen yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.
Rock County Radon Profile
Rock 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 Rock 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. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Rock County to test, as levels can differ between neighboring homes.