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. Nationally, Lincoln County ranks higher in radon potential than 46% of rated counties (the 46th percentile).

Where Lincoln County sits nationally

About 20,025 people live in Lincoln County, New Mexico, spread over 4,831.115 square miles. Population density there runs about 4 people per square mile. Among counties sharing Lincoln County's EPA zone, it outranks 39% of them by population. Geologically, Lincoln County is grouped into EPA Region 6 alongside 502 other counties that share its rock and soil setting.

What this actually means for a house in Lincoln County

Neither at the 4 pCi/L action level nor down at the roughly 1.3 pCi/L national indoor norm, Lincoln County's Zone 2 prediction lands in the gap between the two. Nothing about a Zone 2 label lowers the case for testing in Lincoln County — EPA recommends it in every zone, moderate included.

Next steps for a home in Lincoln County

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 New Mexico'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. Code RADONZONE-10OFF takes 10% off at checkout.

More on how this number was built

The methodology guide shows exactly which EPA and Census sources feed Lincoln County's numbers. Whatever zone Lincoln County carries, the zone explainer covers what it does and doesn't tell you about any one house.