Choctaw County, OK radon potential
EPA's own radon map rates Choctaw County zone 3 - low potential, predicting a county-wide average indoor level below 2 pCi/L. Nationally that's the 10th percentile for radon potential — Choctaw County outranks 10% of every county EPA has rated.
Choctaw County by the numbers
Choctaw County, Oklahoma is home to about 14,174 people across 770.383 square miles. Population density there runs about 18 people per square mile. Within its own EPA zone, Choctaw County is bigger by population than 30% of the counties that share it. Geologically, Choctaw County is grouped into EPA Region 6 alongside 502 other counties that share its rock and soil setting.
What this actually means for a house in Choctaw County
Choctaw County's Zone 3 prediction undercuts the roughly 1.3 pCi/L most US homes average, nowhere near EPA's 4 pCi/L threshold for recommending mitigation. A Zone 3 label describes Choctaw County's average, not any one basement or slab in it — testing is still the only way an individual homeowner actually finds out.
If Choctaw County tests above the action level
A short-term test kit is the standard first step and typically costs far less than mitigation itself. If a test comes back at or above 4 pCi/L, a radon mitigation system for a typical home runs roughly $800–$2,500 (around $1,200 for a common single-family install), driven mainly by foundation type, not by county.
Find Oklahoma's state radon program
For Choctaw County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Choctaw County's levels over time. RadonZoneCheck earns a commission there, at no extra cost to you. RADONZONE-10OFF at checkout knocks 10% off.
Where Choctaw County's figures come from
Every figure on this page traces to EPA's own Map of Radon Zones and Census data, documented in the methodology guide. The guide to what a radon zone actually means covers why testing matters in every zone, not just Zone 1.