What EPA's radon map says about Lincoln County

EPA's own radon map rates Lincoln County zone 2 - moderate potential, predicting a county-wide average indoor level between 2 and 4 pCi/L. Rank it against the rest of the country and Lincoln County lands in the 46th percentile for radon potential.

Where Lincoln County sits nationally

About 19,377 people live in Lincoln County, West Virginia, spread over 437.093 square miles. That works out to roughly 44 people per square mile. Among counties sharing Lincoln County's EPA zone, it outranks 38% of them by population. Lincoln County falls in EPA Radon Region 3, one of 245 counties nationally EPA assigns to that same geologic province.

What this actually means for a house in Lincoln County

Lincoln County's predicted average falls between EPA's 4 pCi/L action level and the national indoor average of about 1.3 pCi/L (outdoor air runs roughly 0.4 pCi/L). Middle-of-the-pack doesn't mean risk-free for any one Lincoln County address — a moderate county average still leaves individual homes to test either side of it.

If Lincoln County tests above the action level

Mitigation cost doesn't depend on Lincoln County's zone — it depends on the house's foundation. A typical system runs $800–$2,500 (about $1,200 typical), and testing first is what tells you whether that's needed at all.

Find West Virginia's state radon program

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

More on how this number was built

Lincoln County's zone, rank and region all trace back to named EPA and Census sources — the methodology guide lists exactly which ones. If you're unsure why a low zone still deserves a test, the zone explainer covers that directly.