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

EPA's own radon map rates Coweta 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 Coweta County lands in the 61st percentile for radon potential.

How Coweta County compares

Coweta County, Georgia is home to about 158,233 people across 441.016 square miles. Population density there runs about 359 people per square mile. By population, Coweta County is the 145th largest of every county sharing its EPA zone — the 86th percentile by population within that zone. Geologically, Coweta County is grouped into EPA Region 4 alongside 735 other counties that share its rock and soil setting.

Zone vs. an actual test

Neither at the 4 pCi/L action level nor down at the roughly 1.3 pCi/L national indoor norm, Coweta County's Zone 2 prediction lands in the gap between the two. Middle-of-the-pack doesn't mean risk-free for any one Coweta County address — a moderate county average still leaves individual homes to test either side of it.

Testing and mitigation in Coweta County

For a Coweta 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 Coweta County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Coweta 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 Coweta County's figures come from

Every figure on this page traces to EPA's own Map of Radon Zones and Census data, documented in the methodology guide. Whatever zone Coweta County carries, the zone explainer covers what it does and doesn't tell you about any one house.