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

EPA's own radon map rates Upson County zone 2 - moderate potential, predicting a county-wide average indoor level between 2 and 4 pCi/L. Nationally that's the 50th percentile for radon potential — Upson County outranks 50% of every county EPA has rated.

Where Upson County sits nationally

Upson County, Georgia is home to about 28,358 people across 323.467 square miles. Averaged across its land area, Upson County runs about 88 people per square mile. By population, Upson County is the 504th largest of every county sharing its EPA zone — the 51st percentile by population within that zone. Geologically, Upson 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 Upson 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 Upson County — testing is the only way to know an individual home's actual level.

Testing and mitigation in Upson County

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

Where Upson County's figures come from

Upson 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.