What EPA's radon map says about Sabine County

EPA's own radon map rates Sabine County zone 3 - low potential, predicting a county-wide average indoor level below 2 pCi/L. Nationally, Sabine County ranks higher in radon potential than 7% of rated counties (the 7th percentile).

How Sabine County compares

About 10,058 people live in Sabine County, Texas, spread over 491.71 square miles. Averaged across its land area, Sabine County runs about 20 people per square mile. Among counties sharing Sabine County's EPA zone, it outranks 21% of them by population. EPA's geology-based Region 6 groups Sabine County with 502 other counties nationally sharing its underlying rock and soil profile.

What this actually means for a house in Sabine County

Sabine 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 rating means Sabine County's county-wide average is predicted low, but EPA is explicit that a meaningful share of homes in low-potential zones still test above the action level — a low zone is not a reason to skip testing.

Testing and mitigation in Sabine County

Mitigation cost doesn't depend on Sabine County's zone — it depends on the house's foundation. A typical system runs $800–$2,500 (about $1,200 typical), and testing first is what tells you whether that's needed at all.

Find Texas's state radon program

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

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