What EPA's radon map says about Lincoln County

Lincoln County is mapped as Zone 3 - Low Potential by EPA — meaning the county-wide average indoor level is predicted below 2 pCi/L. Lincoln County sits at the 18th percentile nationally for radon potential — above 18 of every 100 rated counties.

How Lincoln County compares

About 33,319 people live in Lincoln County, Nebraska, spread over 2,564.155 square miles. Population density there runs about 13 people per square mile. Among counties sharing Lincoln County's EPA zone, it outranks 56% of them by population. Geologically, Lincoln County is grouped into EPA Region 7 alongside 411 other counties that share its rock and soil setting.

Why the zone isn't the answer by itself

Well clear of both the 1.3 pCi/L national indoor average and EPA's 4 pCi/L action level, Lincoln County's Zone 3 prediction is the low end of the scale. Low doesn't mean zero: EPA's own data shows homes in Zone 3 counties like Lincoln County testing above the action level often enough that skipping a test isn't the safe assumption.

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 Nebraska'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. Whatever zone Lincoln County carries, the zone explainer covers what it does and doesn't tell you about any one house.