Is Kenedy County, TX a radon risk area?

Kenedy County is mapped as Zone 3 - Low Potential by EPA — meaning the county-wide average indoor level is predicted below 2 pCi/L. Nationally that's the 0th percentile for radon potential — Kenedy County outranks 0% of every county EPA has rated.

Where Kenedy County sits nationally

About 330 people live in Kenedy County, Texas, spread over 1,458.562 square miles. Population density there runs about 0 people per square mile. Rank 1028 by population within its EPA zone puts Kenedy County at the 0th percentile among zone peers. Geologically, Kenedy County is grouped into EPA Region 6 alongside 502 other counties that share its rock and soil setting.

Why the zone isn't the answer by itself

Kenedy 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. A Zone 3 label describes Kenedy County's average, not any one basement or slab in it — testing is still the only way an individual homeowner actually finds out.

Testing and mitigation in Kenedy County

Nothing about Kenedy 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

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

More on how this number was built

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