Radon in ZIP code 70633
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ZIP 70633 crosses 2 county lines. Most of its land (58.3%) is in Calcasieu Parish, Louisiana. EPA’s radon zone for this area: Zone 3, low potential.
Predicted average indoor screening level below 2 pCi/L.
Predicted average indoor screening level below 2 pCi/L.
What this means for homes in 70633
EPA built its zone map county by county in 1993, so every address in each part of 70633 shares its county’s prediction. The zone is a starting point, not a measurement of your house. A Zone 3 prediction is the lowest, but EPA still finds homes above the action level in these areas.
Because 70633 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 Calcasieu Parish
Louisiana radon help
The Louisiana radon program can help with test kits, local data and credentialed professionals: deq.louisiana.gov/faq/category/32.
Frequently asked questions
What is the radon zone for ZIP code 70633?
ZIP 70633 spans 2 counties. The highest-potential zone among them is Zone 3 (low potential). Calcasieu Parish: Zone 3 (58.3% of the ZIP's land); Beauregard Parish: Zone 3 (41.7% of the ZIP's land).
Should I test for radon in 70633?
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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