Is Norton city, VA a radon risk area?

Norton city is mapped as Zone 2 - Moderate Potential by EPA — meaning the county-wide average indoor level is predicted between 2 and 4 pCi/L. That puts Norton city in the 35th percentile nationally for radon potential — higher than 35% of the counties EPA has rated.

How Norton city compares

About 3,478 people live in Norton city, Virginia, spread over 7.477 square miles. Population density there runs about 465 people per square mile. Rank 976 by population within its EPA zone puts Norton city at the 5th percentile among zone peers.

Why the zone isn't the answer by itself

EPA's Zone 2 rating for Norton city sits below its own 4 pCi/L action level but above the national indoor average of about 1.3 pCi/L. Nothing about a Zone 2 label lowers the case for testing in Norton city — EPA recommends it in every zone, moderate included.

If Norton city tests above the action level

Nothing about Norton city's EPA zone changes the mitigation number: $800–$2,500 nationally (around $1,200 typical), set by the house's foundation rather than the county it sits in — and only relevant once a test actually clears 4 pCi/L.

Find Virginia's state radon program

Norton city's test kit answers today; a Airthings radon monitor keeps answering for Norton city over time. Affiliate link, RadonZoneCheck earns a commission there, at no extra cost to you. RADONZONE-10OFF at checkout knocks 10% off.

More on how this number was built

Every figure on this page traces to EPA's own Map of Radon Zones and Census data, documented in the methodology guide. If you're unsure why a low zone still deserves a test, the zone explainer covers that directly.