Barrow County, GA Radon Zone Data

Barrow County, GA radon potential

EPA places Barrow 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. Barrow County sits at the 59th percentile nationally for radon potential — above 59 of every 100 rated counties.

How Barrow County compares

Barrow County, Georgia is home to about 96,294 people across 161.106 square miles. Averaged across its land area, Barrow County runs about 598 people per square mile. Within its own EPA zone, Barrow County is bigger by population than 80% of the counties that share it. Barrow County falls in EPA Radon Region 4, one of 736 counties nationally EPA assigns to that same geologic province.

Zone vs. an actual test

Call it a middle case: above the 1.3 pCi/L most US homes average, below the 4 pCi/L line EPA uses to recommend mitigation — that's Barrow County's Zone 2 prediction. Middle-of-the-pack doesn't mean risk-free for any one Barrow County address — a moderate county average still leaves individual homes to test either side of it.

If Barrow County tests above the action level

A short-term test kit is the standard first step and typically costs far less than mitigation itself. If a test comes back at or above 4 pCi/L, a radon mitigation system for a typical home runs roughly $800–$2,500 (around $1,200 for a common single-family install), driven mainly by foundation type, not by county.

Find Georgia's state radon program

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

Barrow County's zone, rank and region all trace back to named EPA and Census sources — the methodology guide lists exactly which ones. Whatever zone Barrow County carries, the zone explainer covers what it does and doesn't tell you about any one house.