Radon · Texas

Radon in Texas

Radon (EPA Radon Zones) data for ZIP codes in Texas. Pick a ZIP below to dive into the radon summary.

Last verified 2026-04-25 · methodology

What lands here

Pages show the county zone, what the classification means for home testing recommendations, and state-level supplementary data where available.

EPA Radon Zones. Refreshed static 1993 baseline plus state-level supplementary updates. Primary source →