Canadian County, OK radon potential

EPA's own radon map rates Canadian County zone 3 - low potential, predicting a county-wide average indoor level below 2 pCi/L. Rank it against the rest of the country and Canadian County lands in the 28th percentile for radon potential.

Canadian County by the numbers

Canadian County, Oklahoma is home to about 181,760 people across 896.579 square miles. Averaged across its land area, Canadian County runs about 203 people per square mile. Within its own EPA zone, Canadian County is bigger by population than 86% of the counties that share it. EPA's geology-based Region 6 groups Canadian County with 502 other counties nationally sharing its underlying rock and soil profile.

Zone vs. an actual test

Well clear of both the 1.3 pCi/L national indoor average and EPA's 4 pCi/L action level, Canadian County's Zone 3 prediction is the low end of the scale. Don't read Zone 3 as a pass for Canadian County — EPA's guidance to test every home makes no exception for counties predicted low.

Next steps for a home in Canadian County

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 Canadian County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Canadian County's levels over time. RadonZoneCheck earns a commission there, at no extra cost to you. RADONZONE-10OFF at checkout knocks 10% off.

Where Canadian County's figures come from

The methodology guide shows exactly which EPA and Census sources feed Canadian County's numbers. Whatever zone Canadian County carries, the zone explainer covers what it does and doesn't tell you about any one house.