Is Chattahoochee County, GA a radon risk area?

EPA places Chattahoochee County in Zone 3 - Low Potential — a predicted county-wide average indoor radon level below 2 pCi/L, based on the geology, soil and aerial radioactivity data behind EPA's national map. Nationally, Chattahoochee County ranks higher in radon potential than 5% of rated counties (the 5th percentile).

Chattahoochee County by the numbers

About 8,548 people live in Chattahoochee County, Georgia, spread over 248.737 square miles. That works out to roughly 34 people per square mile. Rank 864 by population within its EPA zone puts Chattahoochee County at the 16th percentile among zone peers. EPA's geology-based Region 4 groups Chattahoochee County with 735 other counties nationally sharing its underlying rock and soil profile.

Zone vs. an actual test

Chattahoochee 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. Even at Zone 3, Chattahoochee County homes are not guaranteed a low reading — zone is a county-wide average, and EPA recommends testing every home regardless of zone.

Testing and mitigation in Chattahoochee County

Nothing about Chattahoochee County's EPA zone changes the mitigation number: $800–$2,500 nationally (around $1,200 typical), set by the house's foundation rather than the county it sits in — and only relevant once a test actually clears 4 pCi/L.

Find Georgia's state radon program

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

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.