Oconee County, GA: EPA's radon zone, explained

Oconee County is mapped as Zone 2 - Moderate Potential by EPA — meaning the county-wide average indoor level is predicted between 2 and 4 pCi/L. Rank it against the rest of the country and Oconee County lands in the 54th percentile for radon potential.

Where Oconee County sits nationally

Oconee County, Georgia is home to about 44,751 people across 184.361 square miles. Averaged across its land area, Oconee County runs about 243 people per square mile. By population, Oconee County is the 369th largest of every county sharing its EPA zone — the 64th percentile by population within that zone. Oconee County falls in EPA Radon Region 4, one of 736 counties nationally EPA assigns to that same geologic province.

What this actually means for a house in Oconee County

Oconee County's predicted average falls between EPA's 4 pCi/L action level and the national indoor average of about 1.3 pCi/L (outdoor air runs roughly 0.4 pCi/L). Oconee County's Zone 2 rating sits in the middle nationally; EPA's guidance is unchanged by that — test every home regardless of its zone.

If Oconee County tests above the action level

For a Oconee County homeowner, the order is simple: test first, since a kit costs a small fraction of what mitigation would. Only if the result clears 4 pCi/L does a system — typically $800–$2,500, about $1,200 for a common install — become worth pricing out.

Find Georgia's state radon program

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

Where Oconee 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. If you're unsure why a low zone still deserves a test, the zone explainer covers that directly.