Radon in ZIP code 83338
Last updated
ZIP 83338 crosses 3 county lines. Most of its land (95.4%) is in Jerome County, Idaho. EPA’s radon zone for this area: Zone 1, highest potential.
Predicted average indoor screening level from 2 to 4 pCi/L.
Predicted average indoor screening level above 4 pCi/L.
Predicted average indoor screening level from 2 to 4 pCi/L.
What this means for homes in 83338
EPA built its zone map county by county in 1993, so every address in each part of 83338 shares its county’s prediction. The zone is a starting point, not a measurement of your house. Zone 1 areas like this one have a high share of homes above 4 pCi/L, so testing is a priority.
Because 83338 crosses county lines, your county depends on your street. Your property tax bill or county assessor site shows which county you are in. Next: read how to test your home, then check the number with the level calculator.
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Nearby ZIP codes in Jerome County
Idaho radon help
ID Department of Health and Welfare Indoor Environment/Radon (208-334-0606) can help with test kits, local data and credentialed professionals: healthandwelfare.idaho.gov/health-wellness/environmental-health/radon.
Frequently asked questions
What is the radon zone for ZIP code 83338?
ZIP 83338 spans 3 counties. The highest-potential zone among them is Zone 1 (highest potential). Jerome County: Zone 2 (95.4% of the ZIP's land); Gooding County: Zone 1 (3.4% of the ZIP's land); Lincoln County: Zone 2 (1.2% of the ZIP's land).
Should I test for radon in 83338?
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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