Bourbon County, KS radon potential

EPA places Bourbon County in Zone 2 - Moderate Potential — a predicted county-wide average indoor radon level between 2 and 4 pCi/L, based on the geology, soil and aerial radioactivity data behind EPA's national map. Bourbon County sits at the 43rd percentile nationally for radon potential — above 43 of every 100 rated counties.

How Bourbon County compares

Bourbon County, Kansas is home to about 14,424 people across 635.461 square miles. That works out to roughly 23 people per square mile. Within its own EPA zone, Bourbon County is bigger by population than 30% of the counties that share it. EPA's geology-based Region 7 groups Bourbon County with 411 other counties nationally sharing its underlying rock and soil profile.

What this actually means for a house in Bourbon County

EPA's Zone 2 rating for Bourbon County sits below its own 4 pCi/L action level but above the national indoor average of about 1.3 pCi/L. Nothing about a Zone 2 label lowers the case for testing in Bourbon County — EPA recommends it in every zone, moderate included.

Next steps for a home in Bourbon 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 Bourbon County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Bourbon County's levels over time. RadonZoneCheck earns a commission there, at no extra cost to you. RADONZONE-10OFF at checkout knocks 10% off.

Where Bourbon County's figures come from

The methodology guide shows exactly which EPA and Census sources feed Bourbon County's numbers. If you're unsure why a low zone still deserves a test, the zone explainer covers that directly.