Radon in ZIP code 24521
Last updated
ZIP 24521 crosses 2 county lines. Most of its land (95.8%) is in Amherst County, Virginia. EPA’s radon zone for this area: Zone 2, moderate potential.
Predicted average indoor screening level from 2 to 4 pCi/L.
Predicted average indoor screening level from 2 to 4 pCi/L.
What this means for homes in 24521
EPA built its zone map county by county in 1993, so every address in each part of 24521 shares its 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.
Because 24521 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 Amherst County
Virginia radon help
Virginia Department of Health, Office of Radiological Health (804-864-8161) can help with test kits, local data and credentialed professionals: www.vdh.virginia.gov/radiological-health/indoor-radon-program.
Frequently asked questions
What is the radon zone for ZIP code 24521?
ZIP 24521 spans 2 counties. The highest-potential zone among them is Zone 2 (moderate potential). Amherst County: Zone 2 (95.8% of the ZIP's land); Nelson County: Zone 2 (4.2% of the ZIP's land).
Should I test for radon in 24521?
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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