Lincoln County, KS radon potential

Lincoln County is mapped as Zone 1 - Highest Potential by EPA — meaning the county-wide average indoor level is predicted above 4 pCi/L. Lincoln County sits at the 69th percentile nationally for radon potential — above 69 of every 100 rated counties.

Where Lincoln County sits nationally

Lincoln County, Kansas is home to about 2,928 people across 719.4 square miles. That works out to roughly 4 people per square mile. Within its own EPA zone, Lincoln County is bigger by population than 8% of the counties that share it. EPA's geology-based Region 7 groups Lincoln County with 411 other counties nationally sharing its underlying rock and soil profile.

What this actually means for a house in Lincoln County

Where the national indoor average runs about 1.3 pCi/L, Lincoln County's Zone 1 rating puts its predicted county average above EPA's 4 pCi/L action level itself. EPA's guidance doesn't change because of a Zone 1 label: test the house. What changes is the reason to not put it off in Lincoln County specifically.

Next steps for a home in Lincoln County

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 Kansas's state radon program

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

Where Lincoln 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.