Pocahontas County, WV radon potential

EPA's own radon map rates Pocahontas County zone 1 - highest potential, predicting a county-wide average indoor level above 4 pCi/L. That puts Pocahontas County in the 74th percentile nationally for radon potential — higher than 74% of the counties EPA has rated.

Pocahontas County by the numbers

Pocahontas County, West Virginia is home to about 7,653 people across 940.239 square miles. That works out to roughly 8 people per square mile. Within its own EPA zone, Pocahontas County is bigger by population than 22% of the counties that share it. Pocahontas County falls in EPA Radon Region 3, one of 245 counties nationally EPA assigns to that same geologic province.

Zone vs. an actual test

Pocahontas County carries a Zone 1 label because its predicted average clears 4 pCi/L outright — three-plus times the 0.4 pCi/L typical outdoors and above the 1.3 pCi/L most homes see. Some Pocahontas County homes will test comfortably under the action level despite the county's Zone 1 rating — the only way to know which kind of home you have is an actual test.

If Pocahontas County tests above the action level

A short-term test kit is the standard first step and typically costs far less than mitigation itself. If a test comes back at or above 4 pCi/L, a radon mitigation system for a typical home runs roughly $800–$2,500 (around $1,200 for a common single-family install), driven mainly by foundation type, not by county.

Find West Virginia's state radon program

For Pocahontas County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Pocahontas 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 Pocahontas County's figures come from

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.