Is Pawnee County, OK a radon risk area?

Pawnee County is mapped as Zone 3 - Low Potential by EPA — meaning the county-wide average indoor level is predicted below 2 pCi/L. Pawnee County sits at the 11th percentile nationally for radon potential — above 11 of every 100 rated counties.

How Pawnee County compares

About 16,111 people live in Pawnee County, Oklahoma, spread over 568.353 square miles. Averaged across its land area, Pawnee County runs about 28 people per square mile. Rank 690 by population within its EPA zone puts Pawnee County at the 33rd percentile among zone peers. EPA's geology-based Region 6 groups Pawnee County with 502 other counties nationally sharing its underlying rock and soil profile.

Zone vs. an actual test

Pawnee County's predicted average sits below the national indoor average of about 1.3 pCi/L, well under EPA's 4 pCi/L action level. Low doesn't mean zero: EPA's own data shows homes in Zone 3 counties like Pawnee County testing above the action level often enough that skipping a test isn't the safe assumption.

Next steps for a home in Pawnee County

Nothing about Pawnee County's EPA zone changes the mitigation number: $800–$2,500 nationally (around $1,200 typical), set by the house's foundation rather than the county it sits in — and only relevant once a test actually clears 4 pCi/L.

Find Oklahoma's state radon program

Pawnee County's test kit answers today; a Airthings radon monitor keeps answering for Pawnee 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

Every figure on this page traces to EPA's own Map of Radon Zones and Census data, documented in the methodology guide. If you're unsure why a low zone still deserves a test, the zone explainer covers that directly.