Is Wheeler County, TX a radon risk area?

Wheeler County is mapped as Zone 3 - Low Potential by EPA — meaning the county-wide average indoor level is predicted below 2 pCi/L. Nationally, Wheeler County ranks higher in radon potential than 3% of rated counties (the 3rd percentile).

How Wheeler County compares

About 4,824 people live in Wheeler County, Texas, spread over 914.533 square miles. Population density there runs about 5 people per square mile. Rank 944 by population within its EPA zone puts Wheeler County at the 8th percentile among zone peers. Geologically, Wheeler County is grouped into EPA Region 6 alongside 502 other counties that share its rock and soil setting.

Zone vs. an actual test

Wheeler 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 Wheeler County testing above the action level often enough that skipping a test isn't the safe assumption.

Next steps for a home in Wheeler County

Nothing about Wheeler 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 Texas's state radon program

Wheeler County's test kit answers today; a Airthings radon monitor keeps answering for Wheeler County over time. Affiliate link, RadonZoneCheck earns a commission there, at no extra cost to you. RADONZONE-10OFF at checkout knocks 10% off.

More on how this number was built

Wheeler County's zone, rank and region all trace back to named EPA and Census sources — the methodology guide lists exactly which ones. Whatever zone Wheeler County carries, the zone explainer covers what it does and doesn't tell you about any one house.