Wabaunsee County, KS: EPA's radon zone, explained

Wabaunsee 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. That puts Wabaunsee County in the 37th percentile nationally for radon potential — higher than 37% of the counties EPA has rated.

Wabaunsee County by the numbers

Wabaunsee County, Kansas is home to about 7,112 people across 794.336 square miles. That works out to roughly 9 people per square mile. By population, Wabaunsee County is the 899th largest of every county sharing its EPA zone — the 13th percentile by population within that zone. Geologically, Wabaunsee County is grouped into EPA Region 7 alongside 411 other counties that share its rock and soil setting.

What this actually means for a house in Wabaunsee County

EPA's Zone 2 rating for Wabaunsee County sits below its own 4 pCi/L action level but above the national indoor average of about 1.3 pCi/L. A Zone 2 rating is a moderate county-wide average, not a guarantee about any one house in Wabaunsee County — testing is the only way to know an individual home's actual level.

If Wabaunsee County tests above the action level

For a Wabaunsee County homeowner, the order is simple: test first, since a kit costs a small fraction of what mitigation would. Only if the result clears 4 pCi/L does a system — typically $800–$2,500, about $1,200 for a common install — become worth pricing out.

Find Kansas's state radon program

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

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