What EPA's radon map says about Fayette County

EPA places Fayette County in Zone 2 - Moderate Potential — a predicted county-wide average indoor radon level between 2 and 4 pCi/L, based on the geology, soil and aerial radioactivity data behind EPA's national map. Nationally that's the 61st percentile for radon potential — Fayette County outranks 61% of every county EPA has rated.

Where Fayette County sits nationally

About 125,107 people live in Fayette County, Georgia, spread over 194.695 square miles. Population density there runs about 643 people per square mile. Among counties sharing Fayette County's EPA zone, it outranks 84% of them by population. Fayette 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

Fayette County's Zone 2 prediction clears the 1.3 pCi/L national indoor average without reaching EPA's own 4 pCi/L point for recommending a fix. A Zone 2 rating is a moderate county-wide average, not a guarantee about any one house in Fayette County — testing is the only way to know an individual home's actual level.

If Fayette County tests above the action level

Mitigation cost doesn't depend on Fayette 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

Fayette County's test kit answers today; a Airthings radon monitor keeps answering for Fayette 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

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.