Harvey County, KS radon potential

Harvey County is mapped as Zone 2 - Moderate Potential by EPA — meaning the county-wide average indoor level is predicted between 2 and 4 pCi/L. Nationally, Harvey County ranks higher in radon potential than 51% of rated counties (the 51st percentile).

Harvey County by the numbers

Harvey County, Kansas is home to about 33,642 people across 539.756 square miles. That works out to roughly 62 people per square mile. Within its own EPA zone, Harvey County is bigger by population than 56% of the counties that share it. Harvey County falls in EPA Radon Region 7, one of 412 counties nationally EPA assigns to that same geologic province.

Zone vs. an actual test

EPA's Zone 2 rating for Harvey 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 Harvey County — EPA recommends it in every zone, moderate included.

If Harvey County tests above the action level

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 Harvey County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Harvey 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 Harvey County's figures come from

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