Dickenson County, VA: EPA's radon zone, explained

EPA's own radon map rates Dickenson County zone 2 - moderate potential, predicting a county-wide average indoor level between 2 and 4 pCi/L. Nationally, Dickenson County ranks higher in radon potential than 42% of rated counties (the 42nd percentile).

Dickenson County by the numbers

Dickenson County, Virginia is home to about 13,411 people across 330.442 square miles. Population density there runs about 41 people per square mile. By population, Dickenson County is the 746th largest of every county sharing its EPA zone — the 28th percentile by population within that zone. EPA's geology-based Region 3 groups Dickenson County with 244 other counties nationally sharing its underlying rock and soil profile.

Zone vs. an actual test

Dickenson County's Zone 2 prediction clears the 1.3 pCi/L national indoor average without reaching EPA's own 4 pCi/L point for recommending a fix. Dickenson County's Zone 2 rating sits in the middle nationally; EPA's guidance is unchanged by that — test every home regardless of its zone.

If Dickenson County tests above the action level

For a Dickenson County homeowner, the order is simple: test first, since a kit costs a small fraction of what mitigation would. Only if the result clears 4 pCi/L does a system — typically $800–$2,500, about $1,200 for a common install — become worth pricing out.

Find Virginia's state radon program

For Dickenson County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Dickenson County's levels over time. RadonZoneCheck earns a commission there, at no extra cost to you. Code RADONZONE-10OFF takes 10% off at checkout.

Where Dickenson County's figures come from

Dickenson 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.