What EPA's radon map says about Macon County

Macon County is mapped as Zone 3 - Low Potential by EPA — meaning the county-wide average indoor level is predicted below 2 pCi/L. Rank it against the rest of the country and Macon County lands in the 8th percentile for radon potential.

Macon County by the numbers

About 11,831 people live in Macon County, Georgia, spread over 400.662 square miles. Averaged across its land area, Macon County runs about 30 people per square mile. Among counties sharing Macon County's EPA zone, it outranks 25% of them by population. Macon 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

A Zone 3 county like Macon County is predicted closer to the 0.4 pCi/L typical outdoors than to EPA's 4 pCi/L action level. A Zone 3 label describes Macon County's average, not any one basement or slab in it — testing is still the only way an individual homeowner actually finds out.

Testing and mitigation in Macon County

Mitigation cost doesn't depend on Macon County's zone — it depends on the house's foundation. A typical system runs $800–$2,500 (about $1,200 typical), and testing first is what tells you whether that's needed at all.

Find Georgia's state radon program

Macon County's test kit answers today; a Airthings radon monitor keeps answering for Macon County over time. Affiliate link, RadonZoneCheck earns a commission there, at no extra cost to you. Use code RADONZONE-10OFF at checkout for 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.