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

EPA's own radon map rates Dougherty County zone 3 - low potential, predicting a county-wide average indoor level below 2 pCi/L. Nationally that's the 25th percentile for radon potential — Dougherty County outranks 25% of every county EPA has rated.

How Dougherty County compares

Dougherty County, Georgia is home to about 82,418 people across 328.645 square miles. That works out to roughly 251 people per square mile. By population, Dougherty County is the 247th largest of every county sharing its EPA zone — the 76th percentile by population within that zone. Dougherty County falls in EPA Radon Region 4, one of 736 counties nationally EPA assigns to that same geologic province.

Zone vs. an actual test

A Zone 3 county like Dougherty County is predicted closer to the 0.4 pCi/L typical outdoors than to EPA's 4 pCi/L action level. Low doesn't mean zero: EPA's own data shows homes in Zone 3 counties like Dougherty County testing above the action level often enough that skipping a test isn't the safe assumption.

Next steps for a home in Dougherty County

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

Where Dougherty County's figures come from

Dougherty County's zone, rank and region all trace back to named EPA and Census sources — the methodology guide lists exactly which ones. The guide to what a radon zone actually means covers why testing matters in every zone, not just Zone 1.