Is Pulaski County, VA a radon risk area?

EPA's own radon map rates Pulaski County zone 1 - highest potential, predicting a county-wide average indoor level above 4 pCi/L. Nationally, Pulaski County ranks higher in radon potential than 86% of rated counties (the 86th percentile).

Pulaski County by the numbers

About 33,579 people live in Pulaski County, Virginia, spread over 319.84 square miles. Population density there runs about 105 people per square mile. Rank 437 by population within its EPA zone puts Pulaski County at the 59th percentile among zone peers. Pulaski County falls in EPA Radon Region 3, one of 245 counties nationally EPA assigns to that same geologic province.

Zone vs. an actual test

Fixing a home becomes an EPA recommendation past 4 pCi/L, and that is precisely the side of the line Pulaski County's Zone 1 prediction lands on, well above the roughly 1.3 pCi/L most US homes average. EPA's guidance doesn't change because of a Zone 1 label: test the house. What changes is the reason to not put it off in Pulaski County specifically.

If Pulaski County tests above the action level

Nothing about Pulaski County'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

Pulaski County's test kit answers today; a Airthings radon monitor keeps answering for Pulaski County 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. The guide to what a radon zone actually means covers why testing matters in every zone, not just Zone 1.