Is New Kent County, VA a radon risk area?

EPA's own radon map rates New Kent County zone 3 - low potential, predicting a county-wide average indoor level below 2 pCi/L. New Kent County sits at the 16th percentile nationally for radon potential — above 16 of every 100 rated counties.

New Kent County by the numbers

About 27,218 people live in New Kent County, Virginia, spread over 210.031 square miles. Averaged across its land area, New Kent County runs about 130 people per square mile. Rank 516 by population within its EPA zone puts New Kent County at the 50th percentile among zone peers. Geologically, New Kent County is grouped into EPA Region 3 alongside 244 other counties that share its rock and soil setting.

Why the zone isn't the answer by itself

At Zone 3, New Kent County's predicted county average is under the national indoor average (~1.3 pCi/L) and well below EPA's 4 pCi/L action level — outdoor air nationally runs about 0.4 pCi/L for comparison. Low doesn't mean zero: EPA's own data shows homes in Zone 3 counties like New Kent County testing above the action level often enough that skipping a test isn't the safe assumption.

Next steps for a home in New Kent County

Nothing about New Kent 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

New Kent County's test kit answers today; a Airthings radon monitor keeps answering for New Kent 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

New Kent County's zone, rank and region all trace back to named EPA and Census sources — the methodology guide lists exactly which ones. The guide to what a radon zone actually means covers why testing matters in every zone, not just Zone 1.