What EPA's radon map says about Schleicher County
Schleicher County is mapped as Zone 3 - Low Potential by EPA — meaning the county-wide average indoor level is predicted below 2 pCi/L. That puts Schleicher County in the 1st percentile nationally for radon potential — higher than 1% of the counties EPA has rated.
Where Schleicher County sits nationally
About 2,302 people live in Schleicher County, Texas, spread over 1,310.642 square miles. Averaged across its land area, Schleicher County runs about 2 people per square mile. Among counties sharing Schleicher County's EPA zone, it outranks 4% of them by population. EPA's geology-based Region 6 groups Schleicher County with 502 other counties nationally sharing its underlying rock and soil profile.
Why the zone isn't the answer by itself
Schleicher 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 Schleicher 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 Schleicher County
Mitigation cost doesn't depend on Schleicher 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
Schleicher County's test kit answers today; a Airthings radon monitor keeps answering for Schleicher 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
The methodology guide shows exactly which EPA and Census sources feed Schleicher County's numbers. Whatever zone Schleicher County carries, the zone explainer covers what it does and doesn't tell you about any one house.