What EPA's radon map says about Dawson County

EPA's own radon map rates Dawson County zone 2 - moderate potential, predicting a county-wide average indoor level between 2 and 4 pCi/L. Rank it against the rest of the country and Dawson County lands in the 51st percentile for radon potential.

Where Dawson County sits nationally

About 33,748 people live in Dawson County, Georgia, spread over 210.828 square miles. That works out to roughly 160 people per square mile. Among counties sharing Dawson County's EPA zone, it outranks 56% of them by population. Geologically, Dawson County is grouped into EPA Region 4 alongside 735 other counties that share its rock and soil setting.

Zone vs. an actual test

EPA's Zone 2 rating for Dawson County sits below its own 4 pCi/L action level but above the national indoor average of about 1.3 pCi/L. A Zone 2 rating is a moderate county-wide average, not a guarantee about any one house in Dawson County — testing is the only way to know an individual home's actual level.

Testing and mitigation in Dawson County

Mitigation cost doesn't depend on Dawson 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

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

More on how this number was built

The methodology guide shows exactly which EPA and Census sources feed Dawson County's numbers. Whatever zone Dawson County carries, the zone explainer covers what it does and doesn't tell you about any one house.