What EPA's radon map says about Whitfield County

EPA places Whitfield 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, Whitfield County ranks higher in radon potential than 60% of rated counties (the 60th percentile).

How Whitfield County compares

About 105,070 people live in Whitfield County, Georgia, spread over 290.445 square miles. Averaged across its land area, Whitfield County runs about 362 people per square mile. Among counties sharing Whitfield County's EPA zone, it outranks 81% of them by population. Geologically, Whitfield County is grouped into EPA Region 4 alongside 735 other counties that share its rock and soil setting.

What this actually means for a house in Whitfield County

Neither at the 4 pCi/L action level nor down at the roughly 1.3 pCi/L national indoor norm, Whitfield County's Zone 2 prediction lands in the gap between the two. A Zone 2 rating is a moderate county-wide average, not a guarantee about any one house in Whitfield County — testing is the only way to know an individual home's actual level.

If Whitfield County tests above the action level

Mitigation cost doesn't depend on Whitfield 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

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

Whitfield 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.