Radon in ZIP code 49917
Last updated
ZIP 49917 lies entirely in Houghton County, Michigan. EPA’s radon zone for this area: Zone 2, moderate potential.
Predicted average indoor screening level from 2 to 4 pCi/L.
What this means for homes in 49917
EPA built its zone map county by county in 1993, so every address in 49917 shares Houghton County’s prediction. The zone is a starting point, not a measurement of your house. In a Zone 2 area many homes are fine and many are not; only a test tells you which yours is.
Next: read how to test your home, then check the number with the level calculator.
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Nearby ZIP codes in Houghton County
Michigan radon help
MI Dept. of Environmental Quality, Office of Waste Management and Radiological Protection can help with test kits, local data and credentialed professionals: www.michigan.gov/egle/about/organization/materials-management/indoor-radon.
Frequently asked questions
What is the radon zone for ZIP code 49917?
ZIP 49917 lies in Houghton County, which EPA places in Zone 2 (moderate potential).
Should I test for radon in 49917?
Yes. EPA recommends testing every home regardless of zone, because radon varies from house to house. Fix the home if a confirmed result is 4 pCi/L or higher, and consider fixing between 2 and 4 pCi/L.
Free checklist · PDF
Radon Test Checklist
A one-page, step-by-step checklist for running a home radon test right the first time, and what to do with the number.
- Short-term vs. long-term test: which to use
- Closed-house conditions and where to place the kit
- What 2, 4 and 8 pCi/L mean and when to fix
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