Jones County, GA: EPA's radon zone, explained
EPA's own radon map rates Jones County zone 3 - low potential, predicting a county-wide average indoor level below 2 pCi/L. Jones County sits at the 17th percentile nationally for radon potential — above 17 of every 100 rated counties.
Where Jones County sits nationally
Jones County, Georgia is home to about 29,047 people across 393.942 square miles. That works out to roughly 74 people per square mile. By population, Jones County is the 493rd largest of every county sharing its EPA zone — the 52nd percentile by population within that zone. Jones County falls in EPA Radon Region 4, one of 736 counties nationally EPA assigns to that same geologic province.
Why the zone isn't the answer by itself
Jones 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. Don't read Zone 3 as a pass for Jones County — EPA's guidance to test every home makes no exception for counties predicted low.
Next steps for a home in Jones County
For a Jones 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 Jones County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Jones County's levels over time. RadonZoneCheck earns a commission there, at no extra cost to you. Code RADONZONE-10OFF takes 10% off at checkout.
Where Jones County's figures come from
The methodology guide shows exactly which EPA and Census sources feed Jones County's numbers. The guide to what a radon zone actually means covers why testing matters in every zone, not just Zone 1.